PANASONIC FAULT CODE GUIDE. ECOi ECO-G - PACi

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1 PANASONIC FAULT CODE GUIDE ECOi ECO-G - PACi

2 1 Page

3 INDEX P3 GHP ENGINE ISSUES P4 CENTRAL CONTROLLER ISSUES P5 ADDRESSING & COMMUNICATION PROBLEMS P6 SENSOR FAULTS P7 COMPRESSOR ISSUES P8 INCORRECT SETTINGS P9 INDOOR UNIT PROBLEMS P10 NOTES 2 Page

4 GHP ENGINE ISSUES A01 A02 A03 A04 A05 A06 A07 A08 A09 A10 A11 A12 A13 A14 A15 A16 A17 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 GHP - Engine oil pressure fault GHP - Engine oil level fault GHP - Engine over speed GHP - Engine under speed GHP - Ignition power supply failure GHP - Engine start up failure GHP - Fuel gas valve failure GHP - Engine stalled GHP - Engine overload GHP - High exhaust gas temp GHP - Engine oil level failure GHP - Throttle actuator fault GHP - Fuel gas valve adjustment failure GHP - Engine oil pressure sensor fault GHP - Starter power output short circuit GHP - Starter motor locked GHP - Starter current (CT) coil failed GHP - Wax Valve (3 Way) fault GHP - Cooling water temp high GHP - Cooling water level fault GHP - Cooling water pump fault GHP - Engine crank angle sensor failure GHP - Engine cam angle sensor failure GHP - Clutch fault GHP - Misfire GHP - Catalyst temperature fault GHP - Generator fault GHP - Converter fault GHP - Fuel gas pressure low 3 Page

5 CENTRAL CONTROLLER ISSUES C01 C02 C03 C04 C05 C06 C12 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C28 C29 C31 Duplicated setting of control address Central control number of units mis-matched Incorrect wiring of central control Incorrect connection of central control System Controller fault, error in transmitting comms signal, i/door or o/door unit not working, wiring fault System Controller fault, error in receiving comms signal, i/door or o/door unit not working, wiring fault, CN1 not connected correctly Batch alarm by local controller Transmission error from adaptor to unit Reception error to adaptor from unit Duplicate central address in adaptor Duplicate adaptor address Mix of PAC & GHP type units on adaptor Memory fault in adaptor Incorrect address setting in adaptor Host terminal software failure Host terminal hardware failure Host terminal processing failure Host terminal communication failure Reception error of S-DDC from host terminal Initialization failure of S-DDC Configuration change detected by adaptor 4 Page

6 ADDRESSING & COMMUNICATION PROBLEMS E01 E02 E03 E04 E05 E06 E07 E08 E09 E10 E11 E12 E13 E14 E15 E16 E17 E18 E20 E24 E25 E26 E29 E31 Remote control detecting error from indoor unit, Address not set/auto address failed. Check interconnecting wiring etc. Re-address system. Remote detecting error from indoor unit, Indoor unit detecting error from remote, Indoor seeing error from outdoor. Qty of i/d units connected are less than qty set. Check; all i/d units are ON, reset turn off all units wait 5min power up Indoor unit detecting error from outdoor unit, Error in sending comms signal Outdoor unit detecting error from indoor unit, Error in receiving comms signal Outdoor unit detecting error from indoor unit, Error in sending comms signal Incorrect setting indoor/controller, Indoor address duplicated Incorrect setting indoor/controller, Remote address duplicated or IR wireless controller not disabled Indoor unit detecting error from 'option' plug, Error in sending comms signal Indoor unit detecting error from 'option' plug, Error in receiving comms signal Auto addressing failed, Auto address connector CN100 shorted during auto addressing Indoor unit failed to send signal to remote controller Setting Failure, Duplication of master indoor units Auto addressing failed, Number of indoor units connected are less than number set Auto addressing failed, Number of indoor units connected are more than number set Group control wiring error, Main indoor unit not sending signal for sub indoor units Group control wiring error, Main indoor unit not receiving signal for sub indoor units Auto addressing failed, No indoor units connected Auto addressing failed, Error on sub outdoor unit Auto addressing failed, Error on outdoor unit address setting Auto addressing failed, Quantity of main and sub outdoor units do not correspond to the number set on main outdoor unit P.C.B. Auto addressing failed, Sub outdoor unit not receiving comms for main outdoor unit Between units, Comms failure with MDC, does E31 remain after power is re-instated? If so replace PCB. & power PCB 5 Page

7 SENSOR FAULTS F01 F02 F03 F04 F05 F06 F07 F08 F10 F11 F12 F13 F16 F17 F18 F20 F23 F24 F29 F30 F31 Indoor Heat Exch inlet temp sensor failure (E1) Indoor Heat Exch freeze temp sensor failure (E2) Indoor Heat Exch outlet temp sensor failure (E3) Outdoor Discharge temp sensor failure (TD) or (DISCH1) Outdoor Discharge temp sensor failure (DISCH2) Outdoor Heat Exch temp sensor failure (C1) or (EXG1) Outdoor Heat Exch temp sensor failure (C2) or (EXL1) Outdoor Air temp sensor failure (TO) Indoor inlet temp sensor failure Indoor outlet temp sensor failure Outdoor Intake sensor failure (TS) GHP - Cooling water temperature sensor failure Outdoor High pressure sensor failure GHP - Cooling water temperature sensor fault GHP - Exhaust gas temperature sensor fault GHP Clutch coil temperature fault Outdoor Heat Exch temp sensor failure (EXG2) Outdoor Heat Exch temp sensor failure (EXL2) Indoor EEPROM error Clock Function (RTC) fault Outdoor EEPROM error 6 Page

8 COMPRESSOR ISSUES H01 H02 H03 H05 H06 H07 H08 H11 H12 H13 H15 H27 H28 H31 Compressor Fault, Over current (Comp1) Compressor Fault, Locked rota current detected (Comp1) Compressor Fault, No current detected (Comp1) Compressor Fault, Discharge temp not detected (Comp1) Compressor Fault, Low Pressure trip Compressor Fault, Low oil level Compressor Fault, Oil sensor Fault (Comp1) Compressor Fault, Over current (Comp2) Compressor Fault, Locked rota current detected (Comp2) Compressor Fault, No current detected (Comp2) Compressor Fault, Discharge temp not detected (Comp2) Compressor Fault, Oil sensor fault (Comp2) Compressor Fault. Oil sensor (connection failure) Compressor Fault. IPM trip (IMP current on temperature) 7 Page

9 INCORRECT SETTINGS L01 L02 L03 L04 L05 L06 L07 L08 L09 L10 L11 L13 L15 L16 L17 L18 L19 L21 Setting Error, Indoor unit group setting error Setting Error, Indoor/outdoor unit type/model miss-matched Duplication of main indoor unit address in group control Duplication of outdoor unit system address 2 or more controllers have been set as 'priority' in one system - shown on controllers set as 'priority' 2 or more controllers have been set as 'priority' in one system - shown on controllers not set as 'priority' Group wiring connected on and indvidual indoor unit Indoor unit address/group not set Indoor unit capacity code not set Outdoor unit capacity code not set Group contol wiring incorrect Indoor unit type setting error, capacity Indoor unit paring fault Water heat exch unit setting failure Miss-match of outdoor unit with different refrigerant 4-way valve failure Water heat exch unit duplicated address Gas type setup failure 8 Page

10 INDOOR UNIT PROBLEMS P01 P02 P03 P04 P05 P09 P10 P11 P12 P14 P15 P16 P17 P18 P19 P20 P22 P26 P29 P30 P31 Indoor unit fault, Fan motor thermal overload Outdoor unit fault, Compressor motor thermal overload, over or under voltage Outdoor unit fault, Compressor discharge temperature too high (Comp1) over 111 degc. Low on ref gas, exp valve, pipework damage. Outdoor unit fault, High pressure trip Outdoor unit fault, Open phase on power supply. Check power on each phase, inverter pcb, control pcb Indoor unit fault, Ceiling panel incorrectly wired Indoor unit fault, Condensate float switch opened GHP - Water Heat exch low temp (frost protection) fault Indoor unit fault, Fan DC motor fault Input from leak detector (If fitted) Refrigerant loss, high discharge temp and EEV wide open and low compressor current draw. Outdoor unit fault, Open phase on compressor power supply Outdoor unit fault, Compressor discharge temperature too high (Comp2) over 111 degc. Low on ref gas, exp valve, pipework damage. Outdoor unit fault, By-pass valve failure Outdoor unit fault, 4 way valve failure, i/door temp rises in cooling or fulls in heating. Check wiring, coil, pcb output, valave operation. Ref gas, high temp/pressure fault, heat exch temp high C2, degc, cooling over-load, sensor fault. Outdoor unit fan motor fault, fan blade jammed, check connections, does fan turn freely, motor resistance 30-40ohm on each pair, no fan fault, yes pcb fault. Outdoor unit fault, Compressor overcurrent - check winding resistance, Inverter failure - check internal resistance term HIC + & - to UVW Kohm or more Outdoor unit fault, Inverter circuit fault - Motor-current Detection Circuit (MDC) fault, check comp windings, sen- sors C1 & TS, if ok possible pcb failure. Indoor unit fault, System controller detected fault on sub indoor unit Simultaneous operation multi control fault, Group controller fault 9 Page

11 NOTES 10 Page

Panasonic Heating and Cooling Systems Panasonic Appliances Air Conditioning Europe (PAPAEU) Panasonic UK, a branch of Panasonic Marketing Europe GmbH

PANASONIC reserves the right to make any variation in specification to the equipment described or to withdraw or replace products without prior

All descriptions, illustrations, drawings and specifications in this publication are given in good faith, but are intended to present only general

12 Panasonic Heating and Cooling Systems Panasonic Appliances Air Conditioning Europe (PAPAEU) Panasonic UK, a branch of Panasonic Marketing Europe GmbH Panasonic House, Willoughby Road Bracknell, Berks, RG12 8FP United Kingdom Office: +44 (0) Fax: +44 (0) Web: Panasonic PRO Club The Panasonic PRO Club is Panasonic s dedicated professional heating and cooling website. Signup at for access to a wealth of information, tools service manuals and more. PANASONIC reserves the right to make any variation in specification to the equipment described or to withdraw or replace products without prior notification or public announcement. All descriptions, illustrations, drawings and specifications in this publication are given in good faith, but are intended to present only general particulars and shall not form any part of the contract. For full installation details, please contact your PANASONIC distributor. Rating Conditions The cooling and heating capacities are based on the following conditions: Cooling: Indoor temperature 27 C DB/19 C WB, Outdoor temperature 35 C DB/24 C WB. Heating: Indoor temperature 20 C DB, Outdoor Temperature 7 C DB 6 C WB.

LG Air Conditioning Universal & Multi Split Fault Codes Sheet. Universal and Multi Split Units

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