Service Information Manual

Transcription

1 T Servce Informaton Manual The Safe Scrubbng Alternatve R Hygenc R Fully Cleanable Tanks QA Controlst North Amerca / Internatonal Rev. 0 (11-007) *900*

2 A B FOR RPLACMNT PARTS Identfy machne model and seral number. 1. (A) Identfy the machne model.. (B) Identfy the machne seral number from the data plate. Refer to the TNNANT Parts Manual. NOT: Only use TNNANT Company suppled or equvalent parts. Parts and supples may be ordered onlne, by phone, by fax or by mal. Tennant Company PO Box 1 Mnneapols, MN 0 Phone: (800) --80 or (76) FaST -PAK s a US regstered and unregstered trademark of Tennant Company. Specfcatons and parts are subject to change wthout notce. Copyrght 006 TNNANT Company, Prnted n U.S.A. T 900 RV.0 (07-06)

3 T Servce Informaton Manual Table of Contents page MACHIN INFORMATION Component Locator Machne Specfcatons. MAINTNANC CHARGING BATTRIS 7 Battery Charger Specfcatons... 7 On-Board Battery Charger Settngs 7 Usng the On-Board Battery Charger 7 Usng an Off-Board Battery Charger 8 On-Board Battery Charger rror Codes 9 ADJUSTING SCRUB HAD BRUSHS 10 Dsk Brush Model Cylndrcal Brush Model 10 MACHIN MAINTNANC.. 1 Daly Mantenance.. 1 Monthly Mantenance. 1 Battery Mantenance.. 1 Squeegee Blades... 1 Motor Mantenance. 16 FaST System Mantenance 16 JACKING UP MACHIN TRANSPORTING MACHIN STORING MACHIN FaST System Freeze Protecton.. 17 RCOMMNDD STOCK ITMS BASIC TROUBLSHOOTING. 0 CONTROL PANL FAULT INDICATOR CODS. 1 LCTRICAL lectrcal Schematc Wrng Harness Detal..... Pn Connector Detal Control Panel LD Detals lectrcal Symbols & Terms..... Key OFF Power Dstrbuton (Off-Board Charger Dsconnected) Key OFF Power Dstrbuton (Off-Board Charger Connected) Key OFF Power Dstrbuton (On-Board Charger Dsconnected) Key OFF Power Dstrbuton (On-Board Charger Connected) 6 Key OFF Propel System Key ON Power Dstrbuton. 8 Propel Forward System 9 Propel Reverse System 0 Propel System Neutral 1 Scrub Brushes..... Vacuum Fan System.... Conventonal Soluton Solenod Valve FaST Water Pump. Hour Meter & Off-Asle Wand Water Pump 6 Scrub Head Actuator LOWR (xtend) 7 Scrub Head Actuator RAIS (Retract) 8 Operatonal Modes & Interlocks 9 Dagnostc LD Codes 0 Hgh Current Faults 0 Dagnostc & Confguraton Modes 1 Dsplay Software Revson Mode Self Test Mode.. Input Dsplay Mode... Manual Mode... 7 Propel Dagnostcs Mode 9 Battery Select Mode Supervsor Mode.. 61 Scrub Propel Speed Selecton Mode 6 Scrub Head Selecton Mode.. 6 Inputs & Outputs Table. 6 T 900 RV.0 (07-06)

4 T Servce Informaton Manual! BFOR CONDUCTING TSTS: Read and Follow ALL Safety Warnngs and Precautons n Operator's Manual Always use an SD (lectrostatc Dscharge) strap when workng near the Control Board Be cautous when workng near Control Board Battery voltage s always present, even wth Key OFF Always Dsconnect Batteres when removng or replacng components DURING TSTS: Call Techncal Servces f Dagnostc Tme xceeds One Hour wth Unknown Cause or Course of Acton IMPORTANT INFORMATION FOR MACHINS WITH SRIAL NUMBR DAT CODS PRIOR TO DC1006 (October, 006) Potental rollng hazard may exst when transportng the machne on a ramp or nclne wth key turned to the off poston. The machne could roll at an undesrable speed creatng the rsk for potental njury or property damage. To ensure operator safety and to prevent potental property damage,tennant Company mandates that the exstng control box assembly be replaced wth the Control Box Kt (p/n 9000). For more nformaton, refer to Techncal Servce Bulletn # 10. To determne f the machne n queston has been updated wth the new Control Box Kt, refer to the pcture below.! If the Brake Relay (CR) s present n the Control Box, the machne has already been updated and no further acton s requred. If the Brake Relay (CR) s NOT present n the Control Box, follow the nstructons n Techncal Servce Bulletn # 10. CR CONTROL BOX ASSMBLY v T 900 RV.0 (11-07)

5 T Component Locator (Page 1 of ) SPD LIMIT POTNTIOMTR P TOUCH PANL ON STP SCRUB BUTTON I INCRAS BRUSH PRSSUR BUTTON INCRAS SOLUTION BUTTON DCRAS BRUSH PRSSUR BUTTON DCRAS SOLUTION BUTTON INSID VIW THROTTL POSITION SNSOR P (POTNTIOMTR) MRGNCY STOP SWITCH SW FaST/CONVNTIONAL SWITCH SW7 HOUR MTR H1 WAND PUMP SWITCH SW8 KY SWITCH SW SWITCH PANL T 900 RV.0 (07-06) 1

6 I VACUUM FAN MOTOR M T Component Locator (Page of ) RCOVRY TANK INTRLOCK SWITCH SW6 CONTROL BOARD AND CIRCUIT BRAKRS FRONT FRONT FRONT BOTTOM VIW FaST PUMP MOTOR M6 FRONT BOTTOM VIW PROPL MOTOR M T 900 RV.0 (07-06)

7 T Component Locator (Page of ) MOTOR M1 CYLINDRICAL SCRUB BRUSH MOTORS MOTOR M MOTOR M1 DISK SCRUB BRUSH MOTORS MOTOR M I ACTUATOR MID-STROK SWITCH SW ACTUATOR RTRACT SWITCH SW9 ACTUATOR XTND LIMIT SWITCH SW10 SCRUB HAD ACTUATOR M SCRUB HAD ACTUATOR M T 900 RV.0 (07-06)

8 I ON-BOARD CHARGR T Component Locator (Page of ) VACUUM FAN SWITCH SW CHARGR INTRLOCK SWITCH SW1 (OFF-BOARD CHARGR) CONVNTIONAL SOLNOID VALV SL1 10A CIRCUIT BRAKR CB STANDOFF 100A FUS F1 BRAK RLAY CR RIBBON CABL CONNCTOR A CIRCUIT BRAKR CB1 MAIN CONTACTOR VACUUM FAN MOTOR CONNCTOR BRUSH MOTORS CONNCTOR PIN CONNCTOR STANDOFF1 PROPL MOTOR CONNCTOR CONTROL BOARD AND CIRCUIT BRAKRS T 900 RV.0 (11-07)

9 MACHIN SPCIFICATIONS MODL Dsk, 600mm Dsk, 700mm Dsk, 800mm Cylndrcal, 60mm Cylndrcal, 800mm LNGTH 10mm ( n) WIDTH 80mm ( n) HIGHT 110mm ( n) MINIMUM AISL TURN 16mm ( n) 199mm (9 n) 166mm (6 n) 17mm (6 n) 168mm (6. n) WIGHT 1 Kg (16 lbs) 16 Kg (6 lbs) 171 Kg (77 lbs) 16 Kg (7 lbs) 166 Kg (6 lbs) WIGHT WITH BATTRIS 6 Kg (80 lbs) 76 Kg (609 lbs) 8 Kg (61 lbs) 81 Kg (61 lbs) 8 Kg (69 lbs) RCOVRY TANK CAPACITY 10 L (7 Gal) SOLUTION TANK CAPACITY 8 L (. Gal) I DRIV SYSTM Transaxle, V,.19 Kw (. hp) TRAVL SPD, MAXIMUM Cleanng: 67 m/mn (0 ft/mn) Transportng: 7 m/mn ( ft/mn) PRODUCTIVITY RAT Theoretcal PRODUCTIVITY RAT stmated Actual 0m (6,00ft ) /hr 1660m (17,87ft ) /hr 860m (0,800ft ) /hr 190m (0,800ft ) /hr 70m (,00ft ) /hr 0m (,000ft ) /hr 660m (8,600ft ) /hr 178m (19,00ft ) /hr 70m (,00ft ) /hr 0m (,000ft ) /hr CLANING PATH WIDTH 600mm ( n) 700mm (8 n) 800mm ( n) 60mm (6 n) 800mm ( n) BRUSH DIAMTR 0mm (11.9 n) mm (1.9 n) 0mm (1.9 n) 11mm (.9 n) 11mm (.9 n) BRUSH PRSSUR 18/6/ Kg (0/80/10 lbs) SOLUTION FLOW RAT - Low: 1.70 L 1.70 L 1.90 L 1.90 L (.0Gal)/mn (.Gal)/mn (.Gal)/mn (.0Gal)/mn SOLUTION FLOW RAT - Med: SOLUTION FLOW RAT - Max: SQUG WIDTH 1.0 L (.Gal)/mn.9 L (.Gal)/mn 908mm (.7 n) standard 101mm (1. n) standard 1.1 L (.0Gal)/mn 1.1 L (.0Gal)/mn 118mm (6.6 n) standard 800mm (1. n) 908mm (.7 n) 101mm (1. n) 1.0 L (.Gal)/mn.9 L (.Gal)/mn 101mm (1. n) 1.1 L (.0Gal)/mn 1.1 L (.0Gal)/mn 118mm (6.6 n) BRUSH MOTOR Qty,.Kw (.7hp), 0rpm, V, 9A Qty,.7Kw (.6hp), 100rpm, V, A VACUUM MOTOR 60W (.8 hp), --stage.7, V, 6A WATR LIFT/AIR FLOW mm (6 n) H O/. L (69ft )/m BATTRIS Qty, 6V RUN TIM PR CHARG Mnmum. hrs / Maxmum.7 hrs BATTRY CAPACITY WT (lead Acd) = Ah/0hr rate Sealed (Gel)= 00Ah/0 hr rate ONBOARD CHARGR 10VAC, 10A, 0/60Hz, VDC, 0A output / 0VAC, A, 0/60Hz, VDC, 0A output TOTAL POWR CONSUMPTION VOLTAG DC 0 Amp nomnal VDC PROTCTION GRAD IPX SOUND POWR LVL 79.dB 81dB DCIBL RATING AT OPRA- TOR S AR, INDOORS.* 67dB(A) 68dB(A) VIBRATION AT CONTROLS <.1188m/s (<.9ft/s ) <.10m/s (<.ft/s ) ACCLRATION RAT ON OPRATOR - MAX..179m (.6ft) /s GRAD LVL, MAX. Scrubbng % ( ), Transportng 8% ( ) * Sound pressure (ISO 1101) as recommended by the Amercan Assocaton of Cleanng qupment Manufacturers (AACM) and OSHA. T 900 RV.0 (07-06)

10 I FaST SYSTM PRODUCTIVITY RAT stmated Actual SOLUTION PUMP SOLUTION FLOW RAT CONCNTRAT FLOW RAT CONCNTRAT TO WATR DILUTION RATIO MACHIN DIMNSIONS Dsk, 600mm Dsk, 700mm Dsk, 800mm Cylndrcal, 60mm Cylndrcal, 800mm 186m 11m 0m 190m 0m (0,07ft ) /hr (,70ft ) /hr (6,0ft ) /hr (1,000ft ) /hr (6,0ft ) /hr Volt DC,. A,.6L (1. Gal)/mn open flow,.1 Bar (60ps) bypass settng 0.7 L (0.1 Gal) /mn. 0.7CC (0.019oz)/mn. 0.8 L (0. Gal) /mn. 0.8CC (0.08oz)/mn. 1: L (0.1 Gal) /mn. 0.7CC (0.019oz)/mn. 80mm ( n) 0.8 L (0. Gal) /mn. 0.8CC (0.08oz)/mn. 110mm ( n) 10mm ( n) 600mm (. n) 60mm (. n) 700mm (7. n) 800mm (1. n) 800mm (1. n) 908mm (.7 n) 101mm (1. n) 118mm (6.6 n) 6 T 900 RV.0 (07-06)

11 CHARGING BATTRIS ATTNTION: To prolong the lfe of the batteres only recharge the batteres f the machne was used for a total of 0 mnutes or more. Do not leave batteres dscharged for lengthy perods. T Mantenance (Page 1 of 1) To change the settng, unplug the charger, peel up the corner of the dsplay label and set the swtches accordngly (Fg. 1). The charger cord must be unplugged when resettng. WARNING: Fre Or xploson Hazard. Batteres mt Hydrogen Gas. Keep Sparks And Open Flame Away. Keep Battery Compartment Open When Chargng. FOR SAFTY: When servcng batteres, wear protectve gloves and eye protecton when handlng batteres and battery cables. Avod contact wth battery acd. BATTRY CHARGR SPCIFICATIONS: M S CHARGR TYP: -- FOR SALD (Gel) BATTRIS -- FOR WT (Lead acd) BATTRIS S OUTPUT VOLTAG - VOLTS S OUTPUT CURRNT - 0 AMPS S AUTOMATIC SHUTOFF CIRCUIT S FOR DP CYCL BATTRY CHARGING ON -BOARD BATTRY CHARGR STTINGS: If your machne s equpped wth the on--board charger, the charger settngs must be set for your battery type before chargng. Falure to properly set wll result n battery damage. To determne your battery type, see battery label. Contact your battery suppler f not specfed. To verfy what the charger s currently for, connect the charger cord nto an electrcal receptacle. The charger wll dsplay a sequence of codes. One of the codes wll ether read GL or Acd (Fgure 0). GL = Set for sealed/mantenance free batteres Acd = Set for wet/lead acd batteres SALD GL BATTRY FIG. 1 WT Acd BATTRY USING TH ON -BOARD BATTRY CHARGR IMPORTANT: Before chargng, make sure that the charger settng s properly set for your battery type (See ON -BOARD CHARGR STTINGS). 1. Transport the machne to a well--ventlated area.. Park the machne on a flat, dry surface. Turn the key off and set the parkng brake, f equpped.. If chargng wet (lead acd) batteres check the flud level before chargng (See BATTRY MAINTNANC).. Prop up the recovery tank for ventlaton (Fgure ). FIG.. Connect the charger s AC power supply cord nto a properly grounded receptacle (Fgure ). FIG. 0 NOT: The machne wll not operate when chargng. T 900 RV.0 (09-06) 7

12 T Mantenance (Page of 1) USING AN OFF -BOARD BATTRY CHARGR (OPTION) 1. Transport the machne to a well--ventlated area.. Park the machne on a flat, dry surface. Turn the key off and set the parkng brake, f equpped.. If chargng wet (lead acd) batteres, check the flud level before chargng (See BATTRY MAINTNANC).. Prop up the recovery tank for ventlaton (Fgure ). M FIG. 6. The charger wll dsplay a sequence of codes once the cord s connected (Fgure ). Three--dgts + the followng code: A = Chargng current U = Battery Voltage h = Chargng tme C = Chargng ampere--hours [Ah] = nergy used [Kwh] GL or Acd = Battery type the charger s currently set for. Before chargng make sure your battery type matches the dsplay: GL=Sealed, Acd=WT (lead acd). To change settng, see ON--BOARD CHARGR STTINGS. Press the arrow button to revew the codes. FIG.. Connect the charger s DC cord nto the machne s battery receptacle (Fgure 6). 6. Connect the charger s AC power supply cord nto a properly grounded receptacle (Fgure 6). FIG. 7. Once the chargng cycle begns, the ndcator lghts wll progress from red, yellow to green. When the green ndcator lght comes on, the chargng cycle s done. Unplug the charger cord. If the charger detects a problem, the charger wll dsplay an error code (See ON--BOARD BATTRY CHARGR RROR CODS). FIG The suppled charger wll automatcally begn chargng and shut off when fully charged. NOT: The machne wll not operate when chargng. ATTNTION: Do not dsconnect the charger s DC cord from the machne s receptacle when the charger s operatng. Arcng may result. If the charger must be nterrupted durng chargng, dsconnect the AC power supply cord frst. 8 T 900 RV.0 (07-06)

13 T Mantenance (Page of 1) ON -BOARD BATTRY CHARGR RROR CODS DISPLAY COD FAULT SOLUTION bat Loose or damaged battery cable Check battery cable connectons. Battery exceeded maxmum voltage level. No acton necessary. 01 xceeded maxmum battery voltage allowed. No acton necessary. 0 Safety thermostat exceeded maxmum nternal Check f the charger vents are obstructed. temperature. 0 SCt xceeded maxmum tme for chargng phase leavng the batteres undercharged due to a sulfated or faulty battery. Safety tmer exceeded maxmum chargng tme. Interrupts chargng cycle. Repeat the chargng cycle and f the error code 0 reappears check battery or replace t. Replace battery. Srt Possble nternal short crcut. Contact Servce Center. M T 900 RV.0 (07-06) 9

14 T Mantenance (Page of 1) M ADJUSTING SCRUB HAD BRUSHS To ensure optmum scrubbng performance perodcally check the scrub head for proper adjustment. FOR SAFTY: Before adjustng scrub head, stop machne on level surface, remove key and set parkng brake f equpped. DISK MODL Tools requred: Measurng devce, 7mm (1--1/16 n) wrench and mm (1/16 n) wrench 1. Wth brushes nstalled, lower the scrub head and apply medum brush pressure.. Turn machne off and remove key.. From the center front and back of scrub head, measure the dstance from the top edge of scrub head to the floor (Fgure 7). CYLINDRICAL BRUSH MODL After nstallng a new set of cylndrcal brushes check the brush pattern to ensure proper brush adjustment. Brushes that are not properly adjusted wll result n premature wear and poor scrubbng performance (Fgure 9). Uneven Pattern CORRCT BRUSH PATTRN INCORRCT BRUSH PATTRNS FIG. 9 ven Pattern Tapered Pattern To Inspect the Brush Pattern: 1. Poston the machne on a dry dusty floor or apply a powdered substance, such as chalk.. Dsconnect the drve motor wre connector to keep machne from movng forward (Fgure 0). FIG. 7. If scrub head s not level, loosen the lock nut and turn the scrub head levelng screw to level. Tghten down the lock nut once head s level (Fgure 8). FIG. 8 Lock Nut FIG. 0. Lower the scrub head to the floor and apply maxmum brush pressure.. Shut off the soluton flow.. Pull the control handle bal to create a brush pattern on the floor. 6. Rase the scrub head and pull the machne away. 7. Observe the brush pattern on floor. If the brush pattern s uneven or tapered, adjustment s requred. 8. Reconnect drve motor wre. 10 T 900 RV.0 (07-06)

15 T Mantenance (Page of 1) To Adjust an Uneven Brush Pattern: Tools requred: Measurng devce, 7mm (1--1/16 n) wrench and mm (1/16 n) wrench 1. Measure the dstance from the front edge of the scrub head to the floor and from the back edge of the scrub head to the floor (Fgure 1). The measurements should be the same. To Adjust a Tapered Brush Pattern: Tools requred: 10mm (/8 n) wrench and 6mm hex wrench 1. Rase the scrub head off floor and remove key.. Remove the dler plate from the brush (Fgure ). M FIG. 1. To level the scrub head, loosen the lock nut and turn the levelng screw clockwse to lower the rear of the scrub head or counter--clockwse to lower the front (Fgure ). FIG.. Hold the brush plug shaft wth a wrench and loosen the 6mm hex screw (Fgure ). FIG.. Recheck brush pattern. NOT: Replace brushes when worn to 1mm (/8 ). FIG.. To lower the brush end, turn the shaft clockwse for the front brush and counter--clockwse for the rear brush. Retghten hex screw (Fgure ). FIG.. Recheck brush pattern. NOT: Replace brushes when worn to 1mm (/8 ). T 900 RV.0 (07-06) 11

16 MACHIN MAINTNANC T Mantenance (Page 6 of 1). Remove the debrs tray and empty (Fgure 9) To keep the machne n good workng condton, t s mportant that the followng mantenance procedures are performed on a routne bass. WARNING: lectrcal Hazard. Dsconnect Battery Cables Before Servcng Machne. M DAILY MAINTNANC (After very Use) 1. Dran the recovery tank (Fgure 6). FIG. 9. Dran the soluton tank (Fgure 60). FIG. 6. Rnse and clean out the recovery tank (Fgure 7). FIG Clean the soluton tank flter (Fgure 61). FIG. 7. Remove the recovery tank float shut--off screen and clean (Fgure 8). FIG Rotate pad or replace when worn (Fgure 6). FIG. 8 Dsk Model FIG. 6 1 T 900 RV.0 (07-06)

17 8. mpty and rnse out the debrs trough (Fgure 6). T Mantenance (Page 7 of 1) Cylndrcal Brush Model FIG Inspect the cylndrcal brushes for wear. Rotate brushes from front--to--rear every 0 hours (Fgure 6). Replace when worn to a length of 1mm (/8 ). FIG Check the condton of the squeegee blade wpng edge (Fgure 67). Rotate blade f worn (See SQUG BLADS). M 1mm (/8 ) FIG. 6 Cylndrcal Brush Model 10. Remove debrs buldup from the undersde of the cylndrcal brush scrub head, ncludng the dler plates and drve hubs (Fgure 6). FIG Clean the machne wth an all purpose cleaner and damp cloth (Fgure 68). FOR SAFTY: When cleanng machne, do not power spray or hose off machne. lectrcal malfuncton may occur. Cylndrcal Brush Model FIG Wpe the squeegee blades clean (Fgure 66). Store the squeegee assembly n the rased poston to prevent blade damage. FIG. 68 T 900 RV.0 (07-06) 1

18 T Mantenance (Page 8 of 1) 1. Inspect the condton of the scrub head skrt, replace f worn or damaged (Fgure 69). MONTHLY MAINTNANC 1. Check the cylndrcal brush belt tenson every 100 hours (Fgure 7). Belt tenson should flex mm (0.1 n) at mdpont, wth Kg (.--.7 lbs) force. WARNING: lectrcal Hazard. Dsconnect Battery Cables Before Servcng Machne. M Dsk Model FIG. 69 Cylndrcal Brush Model 1. FaST Model: Connect the FaST--PAK supply hose to the storage plug when not n use (Fgure 70). Remove any dred concentrate from the hose connector by soakng t n warm water. Cylndrcal Brush Model FIG. 7. Inspect and clean the recovery tank cover seal (Fgure 7). Replace f damaged. FIG Clean wet/lead acd batteres to prevent corroson and check for loose battery cable connectons (See BATTRY MAINTNANC). 17. Recharge the batteres (Fgure 71). To prolong the lfe of the batteres, only recharge the batteres f the machne was used for a total of 0 mnutes or more. FIG. 7. Lubrcate all pvot ponts and rollers wth a water resstant grease.. Lubrcate the casters wth a water resstant grease (Fgure 7). FIG. 71 FIG. 7 1 T 900 RV.0 (07-06)

19 . Clean the parkng brake clamp wth a cleanng solvent. 6. Check the machne for loose nuts and bolts. 7. Check the machne for leaks. T Mantenance (Page 9 of 1) BATTRY MAINTNANC (Wet/lead acd batteres) 1. Check battery flud level frequently to prevent battery damage. The flud should be at the level shown (Fgure 7). Add dstlled water f low. DO NOT OVRFILL, the flud may expand and overflow when chargng. FIG. 76 SQUG BLADS When the blades become worn, smply rotate the blades end-for-end or top-to-bottom to a new wpng edge. Replace blades when all edges are worn. The front blades on the 700mm/800mm squeegee assembles have 1/1 slots on one edge and 6 slots on the opposte edge (Fgure 77). If makng sharp turns wth the cylndrcal brush models use the 1/1 slotted edge for maxmum water pckup. M CORRCT BATTRY FLUID LVL: Before Chargng After Chargng 6Slotson one edge 1/1 Slots on opposte edge FIG. 7 WARNING: Fre Or xploson Hazard. Batteres mt Hydrogen Gas. Keep Sparks And Open Flame Away. Keep Battery Compartment Open When Chargng.. Clean the batteres to prevent battery corroson. Use a scrub brush wth a mxture of bakng soda and water (Fgure 76). FOR SAFTY: When cleanng batteres, wear protectve gloves and eye protecton. Avod contact wth battery acd. FIG. 77 Replacng Squeegee Blades: 1. Loosen the band clamp and remove the band from the squeegee assembly (Fgure 78). FIG. 78 T 900 RV.0 (07-06) 1

20 T Mantenance (Page 10 of 1). Replace or rotate the rear blade to a new wpng edge and replace band (Fgure 79). FaST SYSTM MAINTNANC very 1000 hours replace the orfce plate and flter screen located nsde the detergent njector assembly. Order servce kt p/n To access the detergent njector assembly, lower the scrub head and remove the front shroud (Fgure 81) M FIG. 79. To change the front blade, remove the band and loosen the four knobs. Replace or rotate the front blade to a new wpng edge (Fgure 80) FIG. 81. Remove the njector assembly from clamps (Fgure 8). FIG. 80 MOTOR MAINTNANC Contact an Authorzed Tennant Servce Center for carbon brush replacement. Carbon Brush Replacement Drve Transaxle Motor Vacuum Motor Dsk Brush Motors Hours 70 Cylndrcal Brush Motors 1000 FIG. 8 Unthread the black plastc flter housng and replace the orfce plate and flter (Fgure 8). WARNING: lectrcal Hazard. Dsconnect Battery Cables Before Servcng Machne. FIG T 900 RV.0 (07-06)

21 T Mantenance (Page 11 of 1) JACKING UP MACHIN Use the desgnated locatons to jack up the machne for servce (Fgure 8). mpty the recovery and soluton tank and poston the machne on a level before jackng. FOR SAFTY: When servcng machne, jack machne up at desgnated locatons only. Use jack or host that wll support machne weght. FIG. 8 FIG. 8 TRANSPORTING MACHIN When transportng the machne by traler or truck, be certan to follow the transportng procedure below: 1. Dran machne tanks.. Load the machne usng a ramp that can support the machne weght and person loadng t. The maxmum ramp nclne should not exceed 11 at a ramp length of.7m (1 ft).. Poston the front of machne up aganst the front of the traler or truck. Lower the scrub head and squeegee.. Set the parkng brake, f equpped, and place a block behnd each wheel to prevent the machne from rollng.. Secure wth te--down straps as shown (Fgure 8). It may be necessary to nstall te-down brackets to traler or truck. FOR SAFTY: When loadng/unloadng machne onto/off truck or traler, use a ramp that can support the machne weght and person loadng t, do not exceed a 11 ramp nclne at a ramp length of.7m (1 ft), use te -down straps to secure machne and block machne wheels. STORING MACHIN 1. Charge the batteres before storng machne to prolong the lfe of the batteres.. Dran and rnse the tanks thoroughly.. Store the machne n a dry area wth the squeegee and scrub head n the up poston.. Open the recovery tank cover to promote ar crculaton. ATTNTION: Do not expose machne to ran, store ndoors.. If storng machne n freezng temperatures, make sure to dran machne of all water. For models equpped wth the FaST System, follow the FaST SYSTM FRZ PROTCTION procedure below. FaST SYSTM FRZ PROTCTION Valve Couplng #10086 and 1 cm Hose #618 are requred (Purchased separately). 1. Remove the FaST--PAK carton and connect the valve couplng and 1cm hose (purchased parts) to the supply hose (Fgure 86). M FIG. 86 T 900 RV.0 (07-06) 17

22 T Mantenance (Page 1 of 1). Dsconnect the opposte end of the supply hose from the njector assembly and dran the supply hose (Fgure 87). To access the njector assembly remove the front shroud. 7. To dran the ant--freeze, repeat the dranng process above and reconnect the supply hose to the FaST--PAK carton. RCOMMNDD STOCK ITMS Refer to the Parts Lst Manual for recommended stock tems. Stock Items are clearly dentfed wth a bullet precedng the parts descrpton. See example below: M FIG. 87. Reconnect the supply hose to njector assembly and pour a recreatonal vehcle (RV) ant--freeze nto the supply hose untl full (Fgure 88). FIG. 88. Operate the FaST system as normal untl the foamng stops. Ths step could take anywhere from --10 mnutes.. Remove the valve couplng and connect the storage plug (Fgure 89). FIG Dran the recovery and soluton tanks and store machne. 18 T 900 RV.0 (07-06)

23 TROUBLSHOOTING T Mantenance (Page 1 of 1) PROBLM CAUS SOLUTION Machne wll not operate Dscharged batteres Charge batteres mergency--stop button actvated Faulty battery(s) Loose battery cable Turn button clockwse to reset Replace battery(s) Tghten loose cable Faulty control board Contact Tennant Servce Faulty key swtch Contact Tennant Servce Machne fault detected. See Contol Panel Fault Indcator Codes Onboard battery charger Plug not connected to power supply Check plug connecton wll not operate Faulty charger fuse Replace charger fuse Faulty power supply cord Replace cord rror detected. See On--board Battery Charger rror Codes Brush motor(s) wll not 1-STP scrub button s off Turn on the 1-STP scrub button operate Brush motor overload See Control Panel Fault Indcator Codes Dscharged batteres Charge batteres Faulty control board Contact Tennant Servce Faulty scrub head (up/down) swtch Contact Tennant Servce Faulty control handle bal swtch Contact Tennant Servce Faulty brush motor or wrng Contact Tennant Servce Worn carbon brushes Contact Tennant Servce Broken or loose belt Replace or tghten belt (cylndrcal brush model) Machne wll not propel Parkng brake s set Release parkng brake lever Machne fault detected See Control Panel Fault Indcator Codes Faulty control board Contact Tennant Servce Wheels rased off floor Contact Tennant Servce Faulty transaxle motor or wrng Contact Tennant Servce Worn carbon brushes Contact Tennant Servce xceeded maxmum nclne Avod steep nclnes and reset key Vacuum motor wll not Squeegee s rased off floor Lower squeegee operate Dscharged batteres Charge batteres Faulty control board Contact Tennant Servce Faulty vacuum motor or wrng Contact Tennant Servce Worn carbon brushes Contact Tennant Servce Lttle or no soluton flow Soluton tank s empty Fll soluton tank Clogged soluton tank flter Clean soluton tank flter Dscharged batteres Charge batteres Clogged soluton valve Remove valve and clean Faulty control board Contact Tennant Servce M T 900 RV.0 (07-06) 19

24 TROUBLSHOOTING - Contnued T Mantenance (Page 1 of 1) M PROBLM CAUS SOLUTION Poor water pckup Recovery tank s full or excessve foam Dran recovery tank buldup Loose dran hose cap Tghten cap Clogged float shut--off screen located n Clean screen recovery tank Clogged squeegee assembly Clean squeegee assembly Worn squeegee blades Replace or rotate squeegee blades Incorrect Squeegee blade deflecton Adjust Squeegee blade heght Loose vacuum hose connectons Secure hose connectons Clogged vacuum hose Remove clogged debrs Damaged vacuum hose Replace vacuum hose Recovery tank cover not n place Properly poston cover Damaged recovery tank cover seal Replace seal Faulty vacuum motor Contact Tennant Servce Poor scrubbng Debrs caught n brush Remove debrs performance Worn brushes/pads Replace brushes/pads Incorrect brush pressure settng Adjust pressure settng Wrong brush/pad type. Use correct brush/pad Reduced run tme Batteres not fully charged Fully recharge batteres Defectve batteres Replace battery Batteres need mantenance See BATTRY MAINTNANC Faulty battery charger Repar or replace battery charger Soluton flow and brush pressure buttons and FaST system swtch are locked Supervsor controls are actvated (lockout feature) Contact your Supervsor FaST Model: FaST System does not operate or operate correctly FaST system swtch s not turned on Turn on FaST system swtch FaST--PAK supply hose not connected Connect supply hose Clogged FaST--PAK supply hose or connectors Soak n warm water to unclog mpty FaST--PAK carton Replace FaST--PAK carton Knk n FaST--PAK supply hose Undo hose knk Clogged FaST soluton system Contact Tennant Servce Faulty FaST system on/off swtch Contact Tennant Servce Faulty pump Contact Tennant Servce Clogged soluton tank flter Dran soluton tank. remove soluton tank flter, clean and renstall Clogged detergent orfce/flter screen Replace orfce/flter screen (See FaST SYSTM MAINTNANC) Clogged FaST soluton nlet flter Contact Tennant Servce Faulty control board Contact Tennant Servce T 900 RV.0 (07-06)

25 CONTROL PANL FAULT INDICATOR CODS T Mantenance (Page 1 of 1) The control panel fault ndcator lghts wll dsplay the followng codes when the machne detects a fault. Lght # Lght #1 Lght # Lght # Battery Lghts M COD FAULT SOLUTION Lght #1 blnks Recovery tank s rased. Lower recovery tank. Restart key to reset. Lghts #1, # and # rpple Battery charger connected. Dsconnect battery charger. Restart key to reset. Lghts #1 and # blnk Left Brush motor overload. Inspect brush for entangled debrs, mproper pad or contact servce center. Restart key to reset. Lghts # and # blnk Rght Brush motor overload. Inspect brush for entangled debrs, mproper pad or contact servce center. Restart key to reset. Lghts # and # blnk Lghts #1 and # blnk Propel motor overload. xceeded maxmum nclne. Scrub head movement s obstructed or actuator motor malfuncton. Avod steep nclnes or contact servce center. Restart key to reset. Check scrub head for obstructon or contact servce center. Restart key to reset. Lght # blnks Vacuum motor malfuncton. Contact Tennant Servce Lghts #1 and # blnk Propel throttle malfuncton. Contact Tennant Servce Lght # blnks FaST pump overload or malfuncton. Reset the 10A crcut breaker or contact servce center. Restart key to reset. Lght # blnks when Supervsor controls actvated Contact your Supervsor. pressng the soluton flow, brush pressure buttons and FaST system swtch (lockout feature) Lghts #1, # and # blnk Wand Pump overload or malfuncton. Reset the 10A crcut breaker button or contact servce center. Restart key to reset. All battery lghts blnk mergency--stop button actvated Turnbuttonclockwsetoreset. All battery lghts rpple Key turned on whle bal was engaged. Release the control handle start bal. T 900 RV.0 (07-06) 1

26 T lectrcal Schematc (Page 1 of ) + _ 1/BLK 6VDC 1C/BLK STANDOFF1 /BRN 1/RD + _ + _ + _ 6VDC 6VDC 6VDC 1C/RD CHARGR PLUG B/YL CONN1 CONN1 J10-1 /YL Cr A PROPL B Cr M J10 - MOTOR PM P1-1 SW LOGIC POWR SUPPLY J6 - PWR GND J7 KYSWITCH BLK J6 - SIGNAL RTURN INTRLOCK J6-18 CHARGR INTRLOCK P1-1 SW1 1AMPLOWD MID -STROK SWITCH /GRN 6/BLU J6-17 D1 DIOD SW -MRG SW CB1 A/YL WAND PUMP /YL /ORG MAIN CONT J6-6/BLU /GRN A/GRN 6/BLU MAIN CONTACTOR COIL /GRN 6A/BLU 1A/RD J11 B/YL RD J8-1 COM N.C. B GRN 1B/RD FaST VACUUM J6-7 J6-0 J6-8 AMP CIRCUIT BRAKR 17/PUR STANDOFF LFT BRUSH B A M RD BLK CHARGR PLUG AND CHARGR INTRLOCK SWITCH RMOVD WITH ONBOARD CHARGR OPTION OPTIONAL ON-BOARD CHARGR J6-10 7/PUR BLK D 1/RD + SW1 OPN DURING BATTRY CHARG SW CLOSS WHN ACTUATOR IS XTNDD OR MOR J6-11 1/PINK 8/GRY 9/WHT 0/TAN F C D SW F/BRN SW8 WAND PUMP SWITCH SW7 FaST SWITCH PROPL B PROPL A +VDC POWR LFT BRUSH A F1 J8 - LFT BRUSH B FUS 100A 8/GRY RD A ACTUATOR MID - STROK SWITCH Cr1 DIOD MOTOR PM - 0 AMP RT BRUSH 7/PUR Cr 0\TAN CR BRAK RLAY COIL SW VACUUM SWITCH N.C. SW9 ACTUATOR RTRACT SWITCH SW, SW9 AND SW10 AR INTRNAL TO TH SCRUB HAD ACTUATOR SW9 OPN WHN ACTUATOR IS FULLY RTRACTD G/BRN /BRN B J8 - RT BRUSH A M1 C/BRN THROTTL LOW THROTTL SIG J6 - J6 - /ORG /YL 1 J6-1 THROTTL HIGH 8/GRY P1 K - Cr OPTIONAL 6/ BLU 1/ GRN 9/WHT J8 - MOTOR PM - 0 AMP RT BRUSH B 10 AMP CIRCUIT BRAKR /BRN J6-1 10/TAN CB DIRCT CONNCTION FUS TO CONTACTOR FLY BACK PATH 1C/YL VACUUM 1B/YL B VAC B J9 - A 11/PNK M MOTOR PM - AMP J9-1 VAC A 1/BRN T 900 RV.0 (11-07)

27 T lectrcal Schematc (Page of ) J6 - SPD LIMIT POT. WATR SOL J6 - J6-1 HAD B 0/TAN J6 - HAD A 19/WHT +vdc J6-6 SW = SWITCH KY #10110 SW = SWITCH VACUUM #10168 SW = SWITCH ACTUATOR MID STROK SW6 = SWITCH PROPL INTRLOCK #6069AM SW7 = SWITCH FAST #10787 SW8 = SWITCH WAND PUMP #10787 SW9 = SWITCH ACTUATOR RTRACT SW10 = SWITCH ACTUATOR XTND TP = TOUCH PANL # U1 = CIRCUIT BOARD #1081 SL1 SOLNOID VALV M 6/BLU 16/BLU 1/YL WAND/PWM P6-1 SW P6 - OPN P6 - SW P6 - OPN P6 - SW P6-6 SW1 P6-7 SW P6-8 LD P6-9 LD1 P6-10 OPN P6-11 LD1 P6-1 LD P6-1 LD1 P6-1 LD P6-1 LD11 P6-16 LD P6-17 LD10 P6-18 OPN P6-19 LD9 P6-0 LD8 P6-1 LD7 P6 - LD1 P6 - LD6 P6 - GND P6 - OPN P6-6 OPN P6-7 LD1 P6-8 OPN P6-9 OPN P6-0 OPN P6-1 OPN P6 - OPN P6 - OPN P6 - TP J6 - + V MOTOR PM WAND PUMP 18/GRY P A/BRN 0K 1/PNK 1A/YL /GRN SW6 H/BRN PROPL INTRLOCK SWITCH J6 - XTND LIMIT SW10 RD B BLACK A 1 PROPL INTRLOCK M7 HOUR MTR J6-1 1/PNK + H1 1F/YL HOUR MTR J6 - FAST/PWM 1 M6 1 A B /BRN MOTOR PM FAST PUMP 1C/YL U1 M = MOTOR BRUSH LFT M = MOTOR VACUUM FAN M = MOTOR DRIV M = MOTOR SCRUB HAD ACTUATOR M6 = MOTOR PUMP FAST M7 = MOTOR PUMP WAND P1 = POTNTIOMTR K #1018 P = POTNTIOMTR 0K #10706 SL1 = SOLNOID VALV #10199 SW1 = SWITCH SAFTY CHARGR #61100 SW = SWITCH --STOP # LGND CB1 = CIRCUIT BRAKR A #870 CB = CIRCUIT BRAKR 10A #871 = MAIN CONTACTOR COIL # CR = BRAK RLAY COIL # Cr1 = CONTACT RLAY # Cr = CONTACT RLAY # D1 = DIOD #90 D = DIOD #90 F1 = FUS 100A #8679 H1 = HOUR MTR #10118 M1 = MOTOR BRUSH RT T 900 RV.0 (11-07)

28 T Wrng Harness Detal (Page 1 of 6) A CONTINUD B CONTINUD Symbol Key T 900 RV.0 (11-07)

29 T Wrng Harness Detal (Page of 6) B Symbol Key T 900 RV.0 (11-07)

30 T Wrng Harness Detal (Page of 6) A C CONTINUD Symbol Key 6 T 900 RV.0 (11-07)

31 T Wrng Harness Detal (Page of 6) C Symbol Key T 900 RV.0 (11-07) 7

32 T Wrng Harness Detal (Page of 6) Symbol Key 8 T 900 RV.0 (11-07)

33 T Wrng Harness Detal (Page 6 of 6) Symbol Key T 900 RV.0 (11-07) 9

34 T Man Harness to Control Board Pn Connector Detal nput or output nactve voltage pn # wre # actve voltage 1 empty x x x empty x x x x 18 output v x P Speed lmt sensor sensor logc hgh 16 output B- B+ SL1 Conventonal solenod valve 6 output B- B+ Man contactor 6 empty x x x x 7 7 nput B- open SW Actuator md-stroke swtch 8 9 nput B- open SW7 FaST pump swtch 9 empty x x x x 10 0 nput B- open SW Vacuum fan swtch 11 1 nput open B- SW9 Actuator retract swtch 1 empty x x x x 1 1B nput B+ open Fly back path 1 1 output B- B+ H1 Hour meter 1 empty x x x 16 empty x x x 17 B nput B+ open Battery postve power supply 18 6 nput open B+ SW1 Battery charger nterlock swtch 19 empty x x x x 0 8 nput B- open SW8 Wand pump swtch 1 0 output B+ or B- open M Scrub head actuator nput B- open SW6 Recovery tank nterlock swtch 19 output B+ or B- open M Scrub head actuator nput B+ open Battery postve power supply output B- B+ M6 FaST pump motor 6 1 output B- B+ M7 Wand pump motor 7 empty x x x 8 empty x x x 9 empty x x x 0 empty x x x functon/component controlled x x 1 8 output v x P1 Throttle poston sensor logc hgh output 0v x P1 Throttle poston sensor logc low 6 nput 0v to v x P Speed lmt sensor logc nput 0v to.v & nput.v to.6v P1 Throttle poston sensor logc nput.6v to v empty x x x x x x x Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte Pn 1 Pn Pn Vewed from front (plug-n) sde of harness connector Pn 1 Pn 1 Pn 0 T 900 RV.0 (07-06)

35 T Control Panel LD Detals ON STP SCRUB LD BRUSH PRSSUR LD s 1 1 SOLUTION FLOW LD s 1 1 FAULT/SUPRVISOR LD s BATTRY DISCHARG LD s LD # COLOR YLLOW GRN GRN GRN T 900 RV.0 (07-06) 1

36 Commonly Used lectrcal Symbols & Terms NOT: The term NORMALLY refers to the components at rest or de-energzed poston Wres Connected Together Wres Not Connected Together Plug-n Connecton Battery Crcut Breaker Fuse Normally Open Swtch Normally Open Lmt Swtch Normally Closed Lmt Swtch Normally Open Push-Button Swtch Normally Closed Push-Button Swtch Dode Zener Dode Normally Open Normally Closed Relay Col (Part 1 of Relay) Relay Contacts (Part of Relay) Solenod (Valve or Actuator) Motor Potentometer Indcates Movement from Normal Poston Indcates Component n Poston Other than Normal Indcates Component s nergzed Terms & Abbrevatons Assembly BDI Battery Dscharge Indcator LD Lght mttng Dode PM Permanent Magnet PWM (Pulse Wdth Modulaton) A method of usng controlled on/off tmes to regulate voltage and current to an electrcal devce Standoff A common connectng pont for multple wres Zener Dode A devce used n an electrcal crcut to prevent hgh voltage spkes Informaton! Warnng! Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number xample of Wrng Numbers & Colors: Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte 7 1 BLK T 900 RV.0 (07-06)

37 T - Key OFF Power Dstrbuton (Wth Standard Off-Board Battery Charger) CONDITIONS: Key OFF, off-board battery charger NOT CONNCTD to charger plug 1 BLK 1 BLK 1 BLK v CB1 A STANDOFF D F1 100A MRGNCY STOP SWITCH (OPTION) SW 17 KYSWITCH JUMPR (STANDARD) SW CHARGR PLUG MAIN CONTACTOR D1 1 6 CR BRAK RLAY CHARGR INTRLOCK SW1 6 PIN J6- PIN J6-17 PIN J6- PIN J6-18 CONTROL BOARD POST J11 + POS NG POST J7 RIBBON CABL CONNCTOR P6-1 BLK STANDOFF1 1 BLK TO CIRCUIT BRAKR CB TOUCH PANL Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh! Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF 1 If Charger Plug s connected to battery charger, ALL machne functons wll be dsabled when Key Swtch s turned ON If machne s not equpped wth optonal mergency Stop Swtch, jumper wre 17/Purple wll replace SW T 900 RV.0 (11-07)

38 T - Key OFF Power Dstrbuton (Wth Standard Off-Board Battery Charger) CONDITIONS: Key OFF, off-board battery charger CONNCTD to charger plug 1 BLK 1 BLK 1 BLK v CB1 A STANDOFF D F1 100A MRGNCY STOP SWITCH (OPTION) SW 17 KYSWITCH JUMPR (STANDARD) SW CHARGR PLUG MAIN CONTACTOR D1 1 6 CR BRAK RLAY CHARGR INTRLOCK SW1 6 PIN J6- PIN J6-17 PIN J6- PIN J6-18 CONTROL BOARD POST J11 + POS NG POST J7 RIBBON CABL CONNCTOR P6-1 BLK STANDOFF1 1 BLK TO CIRCUIT BRAKR CB TOUCH PANL Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh! Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF 1 If Charger Plug s connected to battery charger, ALL machne functons wll be dsabled when Key Swtch s turned ON If machne s not equpped wth optonal mergency Stop Swtch, jumper wre 17/Purple wll replace SW T 900 RV.0 (11-07)

39 T - Key OFF Power Dstrbuton (Wth Optonal On-Board Battery Charger) CONDITIONS: Key OFF, On-Board battery charger NOT CONNCTD to AC power 1 BLK If machne s not equpped wth optonal mergency Stop Swtch, jumper wre 17/Purple wll replace SW v STANDOFF D CB1 A MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) KYSWITCH SW MAIN CONTACTOR D1 1 6 CR BRAK RLAY CONTROL BOARD PIN J6- PIN J6-17 PIN J6- F1 100A TO CIRCUIT BRAKR CB 6 PIN J6-18 POST J11 POST J7 POS NG + RIBBON CABL CONNCTOR P6-1 BLK 1 BLK STANDOFF1 TOUCH PANL S NOT BLOW 1 Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh 6 6! OPTIONAL ON-BOARD CHARGR 1 BLK AC POWR CORD NOT CONNCTD TO AC 1 BLK Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF The battery charger uses a normally closed relay to send a sgnal to the control board the relay opens when the charger s plugged n to AC power If On-Board Charger s connected to AC power, ALL machne functons wll be dsabled when Key Swtch s turned ON T 900 RV.0 (11-07)

40 T - Key OFF Power Dstrbuton (Wth Optonal On-Board Battery Charger) CONDITIONS: Key OFF, On-Board battery charger CONNCTD to AC power 1 BLK If machne s not equpped wth optonal mergency Stop Swtch, jumper wre 17/Purple wll replace SW v STANDOFF D CB1 A MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) KYSWITCH SW MAIN CONTACTOR D1 1 6 CR BRAK RLAY CONTROL BOARD PIN J6- PIN J6-17 PIN J6- F1 100A TO CIRCUIT BRAKR CB 6 PIN J6-18 POST J11 POST J7 POS NG + RIBBON CABL CONNCTOR P6-1 BLK 1 BLK STANDOFF1 TOUCH PANL S NOT BLOW 1 Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh 6 6! OPTIONAL ON-BOARD CHARGR 1 BLK AC POWR CORD NOT CONNCTD TO AC 1 BLK Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF The battery charger uses a normally closed relay to send a sgnal to the control board the relay opens when the charger s plugged n to AC power If On-Board Charger s connected to AC power, ALL machne functons wll be dsabled when Key Swtch s turned ON 6 T 900 RV.0 (11-07)

41 T Key OFF Propel System 1 BLK CONDITIONS: Key OFF 1 BLK v 6 17 D1 JUMPR 1 6 STANDOFF (STANDARD) CR BRAK RLAY D KYSWITCH PIN J6-17 PIN J6- SW CHARGR INTRLOCK 6 F1 PIN J A SW1 POST J11 TO CB POS Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number CB1 A Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh MRGNCY STOP SWITCH (OPTION) SW BRAK RLAY CR M PROPL MOTOR PIN / WIRING LAYOUT BRAK RLAY 0 TAN 1 CR 0 TAN GRN 6 YL 7 PUR BLU 6 BLU A B 1 GRN! + PIN J10-1 PIN J10- NG POST J7 STANDOFF1 Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF 6 MAIN CONTACTOR 6 6 CONTROL BOARD PIN J6- - PIN J6- PIN J6- PIN J6-1 PIN J6- PIN J6- PIN J6- The Brake Relay (CR) s used to provde brakng when the Key Swtch (SW) s turned OFF. 1 BLK 0V RFRNC SIGNAL INPUT 8 THROTTL POSITION SNSOR P1 K 1 V RFRNC 6 SIGNAL INPUT 18 SPD LIMITR P 0K 1 V RFRNC SW6 RCOVRY TANK INTRLOCK The Recovery Tank Interlock wll prevent propellng of the machne when the Recovery Tank s rased; If the Recovery Tank Interlock swtch s OPN (tank rased), Fault LD # 1 wll flash. T 900 RV.0 (11-07) 7

42 T - Key ON Power Dstrbuton CONDITIONS: Key ON, all machne functons OFF The troubleshootng nformaton from ths page forward apples to machnes wth On-Board or Off-Board Chargers unless otherwse noted 1 BLK v CB1 A MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) MAIN CONTACTOR 6 6 D PIN J6- CONTROL BOARD STANDOFF D KY SWITCH BRAK RLAY CR PIN J6-17 F1 100A SW CHARGR INTRLOCK SW1 6 PIN J6- PIN J6-18 POST J11 + POS NG POST J7-1 BLK 1 BLK CB 10A 1 FLYBACK PATH 1 PIN J6-1 1 RIBBON CABL CONNCTOR P6 Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh! TO CB PROTCTD COMPONNTS TOUCH PANL Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF 1 If Charger Plug s connected to battery charger, ALL machne functons wll be dsabled when Key Swtch s turned ON The Flyback Path prevents hgh voltage spkes when a component s turned OFF If machne s not equpped wth optonal mergency Stop Swtch, jumper wre 17/Purple wll replace SW 8 T 900 RV.0 (11-07)

43 T Propel Forward System CONDITIONS: Key ON, forward propel engaged, all other machne functons OFF 1 BLK 1 BLK v STANDOFF D PIN J6- SW KY CHARGR SWITCH INTRLOCK 6 F1 PIN J A SW1 POST J11 TO CB + POS BRAK RLAY CR Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number CB1 A Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh PROPL MOTOR - FORWARD TRAVL! MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) M PIN J10-1 PIN J10- NG POST J7 Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF MAIN CONTACTOR D1 1 PIN / WIRING LAYOUT BRAK RLAY 0 TAN 1 CR 0 TAN GRN 6 YL 7 PUR BLU 6 BLU A B 1 GRN 6 BRAK RLAY CR 6 CONTROL BOARD PIN J6- PIN J PIN J6- PIN J6- PIN J6-1 PIN J6- PIN J6- PIN J6- The Throttle Poston Sensor nput sgnal wll vary from 0v to v voltages between.v and.6v ndcate neutral (machne statonary) STANDOFF1 1 BLK 0V RFRNC SIGNAL INPUT 8 THROTTL POSITION SNSOR P1 K 1 V RFRNC 6 SIGNAL INPUT 18 SPD LIMITR P 0K 1 V RFRNC The Propel Motor (M) s controlled by PWM; A hgher duty cycle wll result n hgher travel speed SW6 RCOVRY TANK INTRLOCK The Brake Relay (CR) s used to provde brakng when the Key Swtch (SW) s turned OFF. The Recovery Tank Interlock wll prevent propellng of the machne when the Recovery Tank s rased; If the Recovery Tank Interlock swtch s OPN (tank rased), Fault LD # 1 wll flash. T 900 RV.0 (11-07) 9

44 T Propel Reverse System CONDITIONS: Key ON, reverse propel engaged, all other machne functons OFF 1 BLK 1 BLK v STANDOFF D PIN J6- SW KY CHARGR SWITCH INTRLOCK 6 F1 PIN J A SW1 POST J11 TO CB + POS BRAK RLAY CR Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number CB1 A Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh PROPL MOTOR - FORWARD TRAVL! MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) M PIN J10-1 PIN J10- NG POST J7 Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF MAIN CONTACTOR D1 1 PIN / WIRING LAYOUT BRAK RLAY 0 TAN 1 CR 0 TAN GRN 6 YL 7 PUR BLU 6 BLU A B 1 GRN 6 BRAK RLAY CR 6 CONTROL BOARD PIN J6- PIN J PIN J6- PIN J6- PIN J6-1 PIN J6- PIN J6- PIN J6- The Throttle Poston Sensor nput sgnal wll vary from 0v to v voltages between.v and.6v ndcate neutral (machne statonary) STANDOFF1 1 BLK 0V RFRNC SIGNAL INPUT 8 THROTTL POSITION SNSOR P1 K 1 V RFRNC 6 SIGNAL INPUT 18 SPD LIMITR P 0K 1 V RFRNC The Propel Motor (M) s controlled by PWM; A hgher duty cycle wll result n hgher travel speed SW6 RCOVRY TANK INTRLOCK The Brake Relay (CR) s used to provde brakng when the Key Swtch (SW) s turned OFF. The Recovery Tank Interlock wll prevent propellng of the machne when the Recovery Tank s rased; If the Recovery Tank Interlock swtch s OPN (tank rased), Fault LD # 1 wll flash. 0 T 900 RV.0 (11-07)

45 T Propel System Neutral (no travel) CONDITIONS: Key ON, propel NOT engaged, all other machne functons OFF 1 BLK 1 BLK v STANDOFF D PIN J6- SW KY CHARGR SWITCH INTRLOCK 6 F1 PIN J A SW1 POST J11 TO CB + POS BRAK RLAY CR Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number CB1 A Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh PROPL MOTOR - NUTRAL! MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) M PIN J10-1 PIN J10- NG POST J7 Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF MAIN CONTACTOR D1 1 PIN / WIRING LAYOUT BRAK RLAY 0 TAN 1 CR 0 TAN GRN 6 YL 7 PUR BLU 6 BLU A B 1 GRN 6 BRAK RLAY CR 6 CONTROL BOARD PIN J6- PIN J PIN J6- PIN J6- PIN J6-1 PIN J6- PIN J6- PIN J6- The Throttle Poston Sensor nput sgnal wll vary from 0v to v voltages between.v and.6v ndcate neutral (machne statonary) STANDOFF1 1 BLK 0V RFRNC SIGNAL INPUT 8 THROTTL POSITION SNSOR P1 K 1 V RFRNC 6 SIGNAL INPUT 18 SPD LIMITR P 0K 1 V RFRNC The Propel Motor (M) s controlled by PWM; A hgher duty cycle wll result n hgher travel speed SW6 RCOVRY TANK INTRLOCK The Brake Relay (CR) s used to provde brakng when the Key Swtch (SW) s turned OFF. The Recovery Tank Interlock wll prevent propellng of the machne when the Recovery Tank s rased; If the Recovery Tank Interlock swtch s OPN (tank rased), Fault LD # 1 wll flash. T 900 RV.0 (11-07) 1

46 T Scrub Brushes CONDITIONS: Key ON, propel engaged, One Step swtch actvated 1 BLK v D CB1 A STANDOFF MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) KY SWITCH MAIN CONTACTOR 6 6 D BRAK RLAY CR PIN J6- PIN J6-17 CONTROL BOARD F1 100A SW CHARGR INTRLOCK SW1 6 PIN J6- PIN J6-18 POST J11 + POS POST J7 NG - 1 BLK TO CIRCUIT BRAKR CB M PIN J8-1 LFT BRUSH MOTOR 8 PIN J8-9 M1 PIN J8-10 RIGHT BRUSH MOTOR 10 PIN J8- J8- Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh! Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF The Brush Motors (M1 & M) are speed controlled by PWM; As the batteres are dscharged, the Control Board wll reduce the motor speed T 900 RV.0 (11-07)

47 T Vacuum Fan System CONDITIONS: Key ON, squeegee lowered 1 BLK v CB1 A MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) MAIN CONTACTOR 6 6 D CONTROL BOARD PIN J6- STANDOFF D KY SWITCH BRAK RLAY CR PIN J6-17 F1 100A SW CHARGR INTRLOCK SW1 6 PIN J6- PIN J6-18 POST J11 + POS NG POST J7-1 BLK TO CIRCUIT BRAKR CB M PIN J9- VACUUM FAN MOTOR 1 PIN J9-1 PIN J SW VACUUM FAN SWITCH! Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh The Vacuum Fan Motor (M) s controlled by PWM; The conomy settng wll reduce the duty cycle to conserve battery energy and reduce nose when the scrub system s actvated Vacuum Fan Voltages: conomy Mode 1 volts Standard Mode battery voltage CONOMY STTING WILL RDUC FAN SPD (ONLY WHN SCRUB SYSTM IS ON) TOUCH PANL T 900 RV.0 (11-07)

48 T Conventonal Soluton Solenod Valve CONDITIONS: Key ON, propel engaged, One Step swtch actvated, FaST swtch OFF 1 BLK v CB1 A MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) MAIN CONTACTOR 6 6 D PIN J6- CONTROL BOARD STANDOFF D KY SWITCH BRAK RLAY CR PIN J6-17 F1 100A CB 10A CHARGR INTRLOCK SW1 1 1 SW FLYBACK PATH 6 1 PIN J6- PIN J6-18 POST J11 + PIN J6-1 POS POST J7 NG - 1 BLK The Flyback Path prevents hgh voltage spkes when a component s turned OFF CONVNTIONAL SOLNOID VALV 1 16 SL1 FaST PUMP MOTOR 1 M6 PIN J6- PIN J6- J8- PIN J6-8 9 SW7 FaST SWITCH Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh! Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF The Conventonal Solenod Valve (SL1) s controlled by PWM; As more Soluton LD s are lt, the duty cycle s ncreased, and more soluton s appled to the floor. TOUCH PANL SOLUTION LD s 1 CONVNTIONAL MOD PUSH T 900 RV.0 (11-07)

49 T FaST Water Pump CONDITIONS: Key ON, propel engaged, One Step swtch actvated, FaST swtch ON 1 BLK v CB1 A MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) MAIN CONTACTOR 6 6 D PIN J6- CONTROL BOARD STANDOFF D KY SWITCH BRAK RLAY CR PIN J6-17 F1 100A CB 10A CHARGR INTRLOCK SW1 1 1 SW FLYBACK PATH 6 1 PIN J6- PIN J6-18 POST J11 + PIN J6-1 POS POST J7 NG - 1 BLK CONVNTIONAL SOLNOID VALV 1 1 SL1 M6 16 PIN J6- PIN J6- J8- PIN J6-8 9 SW7 FaST SWITCH FaST PUMP MOTOR Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh! Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF The Flyback Path prevents hgh voltage spkes when a component s turned OFF FaST MOD PUSH T 900 RV.0 (11-07)

50 T Hour Meter & Off-Asle Wand Water Pump CONDITIONS FOR HOUR MTR OPRATION: Key ON, propel engaged AND/OR vacuum fan ON CONDITIONS FOR OFF-AISL WAND WATR PUMP: Key ON, wand swtch ON 1 BLK v CB1 A MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) MAIN CONTACTOR 6 6 D PIN J6- CONTROL BOARD STANDOFF D KY SWITCH BRAK RLAY CR PIN J6-17 F1 100A CB 10A CHARGR INTRLOCK SW SW FLYBACK PATH HOUR MTR + H PIN J6- PIN J6-18 POST J11 + PIN J6-1 PIN J6-1 POS POST J7 NG - 1 BLK SW8 1 1 M7 OFF-AISL WAND PUMP MOTOR PIN J6-6 J8- PIN J6-0 8 WAND PUMP SWITCH Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh! Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF The Flyback Path prevents hgh voltage spkes when a component s turned OFF OFF-AISL WAND MOD PUSH 6 T 900 RV.0 (11-07)

51 T Scrub Head Actuator LOWR (xtend) CONDITIONS: Key ON, One Step swtch actvated 1 BLK v CB1 A MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) MAIN CONTACTOR 6 6 D CONTROL BOARD PIN J6- STANDOFF D F1 100A KY SWITCH SW SW1 BRAK RLAY CR CHARGR INTRLOCK 6 PIN J6-17 PIN J6- PIN J6-18 POST J11 + POS POST J7 NG - PIN J BLK MID STROK SWITCH SW TO CIRCUIT BRAKR CB 0 0 XTND LIMIT SWITCH SW10 M SCRUB HAD ACTUATOR 0 19 PIN J6-1 PIN J6- PIN J6-11 SHOWN IN OPRATION DURING LOWRING OF SCRUB HAD 1 SW9 RTRACT SWITCH Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh! SCRUB HAD ACTUATOR ASSMBLY Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF The xtend Lmt Swtch SW10 s an addtonal safety devce to prevent over-extenson of the actuator; The actual length of extenson s based upon the current draw of the scrub brush motors Scrub Head Actuator Swtches Logc Chart condton swtch SW SW9 SW10 Fully Retracted (UP) OPN OPN CLOSD Fully xtended (DOWN) CLOSD CLOSD OPN Retractng (RAISING) CLOSD CLOSD xtendng (LOWRING) CLOSD CLOSD * * SW closes when actuator s extended " (0mm) or more T 900 RV.0 (11-07) 7

52 T Scrub Head Actuator RAIS (Retract) CONDITIONS: Key ON, One Step swtch deactvated 1 BLK v CB1 A MRGNCY STOP SWITCH (OPTION) SW 17 JUMPR (STANDARD) MAIN CONTACTOR 6 6 D CONTROL BOARD PIN J6- STANDOFF D F1 100A KY SWITCH SW SW1 BRAK RLAY CR CHARGR INTRLOCK 6 PIN J6-17 PIN J6- PIN J6-18 POST J11 + POS POST J7 NG - PIN J BLK MID STROK SWITCH SW TO CIRCUIT BRAKR CB 0 0 XTND LIMIT SWITCH SW10 M SCRUB HAD ACTUATOR 0 19 PIN J6-1 PIN J6- PIN J6-11 SHOWN IN OPRATION DURING RAISING OF SCRUB HAD 1 SW9 RTRACT SWITCH Wrng Color Codes (Unless otherwse marked) Rght Most Dgt of Wre Number Color of Wre Tan Pnk Brown Orange Yellow Green Blue Purple Gray Whte = Battery Negatve or Logc Ground = Battery Postve or Logc Hgh! SCRUB HAD ACTUATOR ASSMBLY Be cautous when workng near Control Board - Battery voltage s always present, even wth Key OFF The xtend Lmt Swtch SW10 s an addtonal safety devce to prevent over-extenson of the actuator; The actual length of extenson s based upon the current draw of the scrub brush motors Scrub Head Actuator Swtches Logc Chart condton swtch SW SW9 SW10 Fully Retracted (UP) OPN OPN CLOSD Fully xtended (DOWN) CLOSD CLOSD OPN Retractng (RAISING) CLOSD CLOSD xtendng (LOWRING) CLOSD CLOSD * * SW closes when actuator s extended " (0mm) or more 8 T 900 RV.0 (11-07)

53 T Operatonal Modes & Interlocks Mode ntry Sequence Indcator Functon Forward Bal ngaged n Forward Drecton Decal and Poston of Bal Forward movement of machne Reverse Bal ngaged n Reverse Drecton Decal and Poston of Bal Reverse movement of machne Scrub Mode Press One-Step Scrub Button ON Lower Squeegee to Floor One Step Scrub LD ON Vacuum Fan Runnng Actvate Scrub Brushes, Vacuum Fan & Soluton Flow operatons; Maxmum propel speed s lmted to 0 ft/mn FaST Mode Press One Step Scrub Button ON Press FaST Swtch ON One Step Scrub LD ON FaST Swtch ON & Soluton Flow LD's OFF Actvate FaST foam soluton flow when scrub and propel are engaged Conventonal Soluton Mode Press One Step Scrub Button ON Press FaST Swtch OFF One Step Scrub LD ON FaST Swtch OFF & Soluton Flow LD(s) ON Actvate Conventonal soluton flow when scrub and propel are engaged Double Scrub (no water pckup) Press One Step Scrub Button ON Rase Squeegee One Step Scrub LD ON Vacuum Fan OFF Actvate Scrub Brushes, apply cleanng soluton wth no water pckup Water pckup (no Scrub) Lower Squeegee to Floor One Step Scrub LD OFF Vacuum Fan ON Collect soluton on floor wth squeegee, wthout scrubbng floor Press Brush Pressure Lower Brush Pressure (#1) LD ON; Mddle (#) & Decrease (-) to one LD Upper (#) LD's OFF conomy Mode Press Soluton Flow Decrease Lower Soluton Flow (#1) LD ON; Mddle (#) & (-) to one LD Upper (#) LD's OFF conomy Mode w/ FaST Press Brush Pressure Decrease (-) to one LD Press FaST Swtch ON Lower Brush Pressure (#1) LD ON; Mddle (#) & Upper (#) LD's OFF FaST Swtch ON & Soluton Flow LD's OFF Reduce Scrub Brush and Fan speeds (to prolong battery lfe, reduce nose, lower water usage) Reduce Scrub Brush and Fan speeds (to prolong battery lfe, reduce nose, lower water usage) Battery Dscharged Battery voltage at or below full dscharge voltage Red (#1) LD (on Battery Gauge) flashng Dsable Scrub and Vacuum functons (Addtonal operatng tme avalable by re-engagng scrub system or squeegee) Propel Interlock or Motor Over Current Fault Controller sensed a propel nterlock fault or an Over Current condton n a motor Varous LD's "rpplng" or flashng Prevent movement of machne or prevent damage to motors; Refer to approprate chart for more nformaton T 900 RV.0 (07-06) 9

54 T Dagnostc & Fault Alarms Dagnostc LD Codes Fault ntry Sequence Indcator Functon Possble Solutons Hgh Throttle Dsable Charger Connected Key swtch turned ON wth propel engaged Battery Gauge LD's contnuously "rpple" UP and Down Battery charger connected to Fault LD's machne and/or AC power contnuously "rpple" wth Key Swtch ON UP and DOWN Prevents movement of machne f propel s engaged before key s swtched ON Prevents operaton of the machne wth charger plugged n Release propel bal before turnng Key Swtch ON; Adjust Throttle Poston Sensor neutral voltage (.v to.6v) Plug n Battery Charger only when machne s not n use Throttle Controller sensed an out-of range Throttle sgnal Fault LD's #1 and # flashng Prevents movement of machne wth nvald throttle voltage. Scrub functon shuts off. Repar throttle wrng; Repar or replace machne Control Board Recovery Tank Controller sensed an open crcut - Recovery Tank s rased Fault LD #1 flashng Prevents movement of the machne when Recovery Tank s rased Lower Recovery Tank when operatng machne mergency Stop Swtch Controller sensed an open crcut - mergency Stop Swtch actvated All Battery Gauge LD's flashng Turns OFF all machne functons Reset mergency Stop Swtch Scrub Head Actuator Motor Scrub Head Actuator motor stalled or actuator poston unknown Fault LD's #1 and # flashng Notfy operator of actuator fault xamne Scrub Head Actuator or lnkage for bndng; Repar or replace Scrub Head Actuator FaST Pump FaST Pump crcut OPN or SHORTD Fault LD # flashng Notfy operator of FaST Pump fault Repar FaST Pump wrng; Repar or replace FaST Pump Wand Pump Wand Pump crcut OPN or SHORTD Fault LD's #1, # and # flashng Notfy operator of Wand Pump fault Repar Wand Pump wrng; Repar or replace Wand Pump Hgh Current Controller sensed an Over Current condton n a motor Varous LD's flashng Prevent damage to motors; Refer to approprate chart for more nformaton Repar motor wrng; Repar or replace motor Hgh Current Faults Fault Descrpton Indcator Functon xcessve Propel current xcessve Left Brush Motor current xcessve Rght Brush Motor current xcessve Vacuum Fan Motor current - more than A for 10 mnutes - more than A for 1 mnute - more than A for 0 seconds - more than 60A for seconds Dsk Heads - more than 0A for 1 mnute - more than A for seconds Cylndrcal Heads - more than 0A for 1 mnute - more than A for seconds Dsk Heads - more than 0A for 1 mnute - more than A for seconds Cylndrcal Heads - more than 0A for 1 mnute - more than A for seconds - more than 7A for 0 seconds - more than 0A for seconds Fault LD's # and # flashng Fault LD #1 and Lower Brush Pressure (#1) LD flashng Fault LD # and Lower Brush Pressure (#1) LD flashng Fault LD # flashng Prevents movement of the machne; Turn Key Swtch OFF/ON to propel for another tme perod. Turns OFF all Scrub functons Turns OFF all Scrub functons Turns OFF all Scrub functons 0 T 900 RV.0 (07-06)

55 T Dagnostc & Confguraton Modes Mode ntry Sequence Indcator Functon Dsplay Software Revson Mode Press and hold One Step Button, turn key swtch ON, wat 10 seconds, release One Step Button Upper Brush Pressure LD blnks Tens of days of month, Upper Soluton Flow LD blnks Sngle day of month Mddle Brush Pressure LD blnks Tens of month, Mddle Soluton Flow LD blnks Sngle month Lower Brush Pressure LD blnks Tens of year, Lower Soluton Flow LD blnks out Sngle year Blnkng Brush Pressure and Soluton Flow LD s ndcate revson date (Refer to Dsplay Software Revson Mode page for more nformaton) Self Test Mode Input Dsplay Mode Press and hold Increase Soluton Flow (+) and Decrease Brush Pressure (-) Buttons, turn key swtch ON, wat 10 seconds, release buttons Press and hold Decrease Soluton Flow (-) Button, turn key swtch ON, release button after forth battery LD starts to blnk Start of test - Both Scrub Brush motors run nd of test - LD's ndcate system pass or fal LD's wll ndcate the the state of the control board nputs Sold lt One Step LD ndcates OK, A Flashng LD ndcates an OPN Fault, A Sold lt LD (other than One Step) ndcates a SHORT Fault (Refer to Self Test Mode page for more nformaton) Shows state of control board nputs from varous swtches and sensors (Refer to Input Dsplay Mode pages for more nformaton) Manual Mode Press and hold Decrease Brush Pressure (-) Button, turn key swtch ON, release after Lowest Brush Pressure LD starts to blnk. Lowest down pressure LD wll blnk Allows operaton of ndvdual functons wthout the safety nterlocks affectng or controllng them (Refer to Manual Mode pages for more nformaton) Propel Dagnostcs Mode Battery Select Mode Supervsor Mode Press and hold Decrease Soluton Flow (-) and Increase Brush Pressure (+) Buttons, turn key Battery Gauge LD's ndcate poston of throttle swtch ON, release after One Step LD starts to blnk Press and hold the Increase Soluton Flow (+) Button, turn key swtch ON, release after one Battery LD starts to blnk Press and hold Increase Soluton Flow (+) and Increase Brush Pressure (+) Buttons, turn key swtch ON, release after battery LD 1 or starts to blnk Any one of lower Battery Gauge LD s blnks Battery LD # (Green) flashng - Supervsor mode enabled Battery LD #1 (Red) flashng - Supervsor mode dsabled Provdes nformaton regardng throttle nput sgnal and propel motor current (Refer to Propel Dagnostcs Mode page for more nformaton) Allows selecton of battery type (Refer to Battery Select Mode page for more nformaton) Toggle Supervsor Mode. When enabled, the scrub mode settngs are dsabled and Fault LD # s lt. If Soluton Flow or Brush Pressure buttons are pressed, Fault LD # wll blnk. (Refer to Supervsor Mode page for more nformaton) Scrub Propel Speed Selecton Mode Press and hold Increase Brush Pressure (+) Button, turn key swtch ON, release after selectng desred Brush Pressure LD settng Brush Pressure Lower, Mddle, and Upper LD s represents LOW, MDIUM and HIGH maxmum Forward Scrubbng Propel Speed selecton Allows selecton of maxmum forward speed durng scrubbng LOWR (#1) LD = 10 ft/mn MIDDL (#) LD = 00 ft/mn UPPR (#) LD = maxmum speed (Refer to Scrub Propel Speed Selecton Mode page for more nformaton) Scrub Head Selecton Mode Press and hold Decrease Soluton Flow (-) and Decrease Brush Pressure (-) Buttons, turn key swtch ON, release after one Brush Pressure LD and one Soluton Flow LD s lt. To change settng, press & hold One Step Button untl t blnks, then press the Brush Pressure (+) Button or Soluton Flow (+) Button to change settng. Lower Brush Pressure LD (#1) Dsk -Lower Soluton Flow LD (#1) -Mddle Soluton Flow LD (#) 8 -Upper Soluton Flow LD (#) Mddle Brush Pressure LD (#) Cylndrcal -Lower Soluton Flow LD (#1) 6 -Upper Soluton Flow LD (#) " Allows machne to be confgured for varous scrub heads (Refer to Scrub Head Selecton Mode page for more nformaton) T 900 RV.0 (11-07) 1

56 T Dsplay Software Revson Mode (Page 1 of ) One Step Button Push & Hold, Turn Key Swtch ON Indcates Month (One s) Indcates the Month (Ten s) Indcates the Day (One s) Indcates the Day (Ten s) Indcates the Year (One s) Indcates the Year (Ten s) Holdng the One Step button on Power-up puts you nto the software revson dsplay mode. The number of blnks by the Down Pressure and Water level LD s represents the software revson. 1. The Hghest Pressure (ten s) & water level (one s) numbers blnkng together represents the month.. The Mddle Pressure (ten s) & water level (one s) numbers blnkng together represents the day.. The Low Pressure (ten s) & water level (one s) numbers blnkng together represents the year. No blnkng of an LD means zero. For example f the hgh pressure LD does not blnk and the hgh water LD blnks sx tmes, that means the month s JUN. Also f the Mddle Pressure LD blnks twce and the Mddle water blnks once, that means the day s the 1 st. Note: The software revson LD wll contnue to blnk untl the machne s turned off. Rev 00 T 900 RV.0 (07-06)

57 T Dsplay Software Revson Mode (Page of ) XAMPL Number of Flashes 0 Number of Flashes 6 Rev 00 Push & Hold, Turn Key Swtch ON MONTH DAY 0 MONTH 1 6 TOUCH PANL TOUCH PANL YAR YAR Month = 06 Day = 1 Year = 06 Revson Date = June 1, 006 T 900 RV.0 (07-06)

58 T Self Test Mode Indcates System Pass Push &Hold, Turn Key Swtch ON Indcates Rght Brush Motor Fault Indcates Water Valve Fault Indcates FaST Pump Fault Indcates Left Brush Motor Fault Indcates Wand Pump Fault Push &Hold, Turn Key Swtch ON Indcates Scrub Head Actuator Fault Indcates Controller Fault Indcates Vacuum Motor Fault Indcates Scrub Head Actuator Swtch Fault* Note: If Optonal FaST and/or Wand Pump are nstalled, each swtch must be n the ON poston before enterng Self-Test Mode. If FaST or Wand Pump swtches are n the OFF poston when enterng Self-Test Mode, that crcut wll not be tested. 1. Hold the (-) Down pressure and (+) Increase Water buttons smultaneously on start-up. Machne wll perform Self-Test for about 0-0 seconds.. After the self-test, ether the One-Step Button LD wll be lt sold to ndcate system OK, or another panel LD wll be flashng (whch means OPN fault) or sold lt LD (whch means a SHORT fault) to ndcate a system falure. * FAULT LD # : Flashng ndcates an actuator stall durng retract. Sold LD on ndcates a retract tmeout error, or a md-stroke swtch fault. In the example above, a blnkng Low Down Pressure LD would ndcate an open n the Scrub Head Actuator crcut. A sold Medum Soluton LD would ndcate a short n the FaST Pump crcut. Rev 0 T 900 RV.0 (11-07)