PowerCRAFT TM 180i MIG

Transcription

1 PowerCRAFT TM 180i MIG IM September, 2012 Rev. 01 For use with machine Part Number: PowerCRAFT TM 180i MIG K Safety Depends on You PowerCRAFT machine is designed and built with safety in mind. However, your overall safety can be increased by proper installation and thoughtful operation on your part. DO NOT INSTALL, OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CONTAINED THROUGHOUT. And, most importantly, think before you act and be careful. Copyright 2012 The Shanghai Lincoln Electric Company THE LINCOLN ELECTRIC COMPANY PTY LTD 35 Byrant Street Padstow NSW

2 Thank you for selecting QUALITY PowerCRAFT products. Please examine the packaging and equipment for damage. Claims for material damaged in shipment must be notified immediately to the authorized dealer from whom you purchased the machine. For future reference, please record your equipment identification information in the table below. Model Name, Code & Serial Number can be found on the machine rating plate. Model Name PowerCRAFT TM 180i MIG Code & Serial number Date & Where Purchased Authorized dealer s shop Declaration of conformity THE SHANGHAI LINCOLN ELECTRIC COMPANY Designed in conformance with the following norm: AS :2006 IEC :2005 EN :2005 GB :2004

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8 A-1 CUSTOMER ASSISTANCE A-1 Read this Operators Manual completely before attempting to use this equipment. Save this manual and keep it handy for quick reference. Pay particular attention to the safety instructions we have provided for your protection. The level of seriousness to be applied to each is explained below:

9 A-2 CUSTOMER ASSISTANCE A-2 Master Table of Contents Content Page Personal Safety. I-III Electromagnetic Compatibility. IV-V Customer Assistance Policy. A-1 Master Table of Contents A-2 Product Description.. B-1 Installation.. C-1 Technical Specifications. D-1 Technical Specification Data. D-3 Graphics and their Meanings. D-4 Power Source Placement D-5 Power Supply Configuration.. D-6 The Installation and Connection for MIG Welding.. D-6 The Installation and Connection for Stick Welding. D-7 Operation. E-1 Front Control Panel.. E-2 Welding Getting Started.. E-4 Maintenance and Trouble Shooting. F-1 Spare Parts List. G-1 Schematic Wiring Diagram.. H-1 Warranty... I-1

10 B-1 PRODUCT DESCRIPTION B-1 PowerCRAFT 180i MIG is a multi-purpose 3 in 1 welding power source. It is capable of MIG welding (both gas-shielded and gasless flux-cored welding), stick and TIG welding of mild and stainless steel materials. Its characteristics are high production efficiency, excellent welding output and easy to carry out all-position welding. The machine is light and portable which is very popular in DIY and semi-professional market The highlighted characteristics of PowerCRAFT TM 180i MIG Inverter MIG/Stick/TIG Welder: Featured with compact size and light weight, it is widely used in maintenance and fieldwork. Provided with input voltage compensation covering ±15% variation and a control circuit reaction speed of less than 1 msec, Optimum arc characteristics are maintained over a broad range of operating conditions. High working efficiency. Automatic Wire Feeding can realize high speed welding. Both solid and flux-cored wires can be used. The wire diameter range is between Φ0.6~Φ1.2mm Synergic MIG single knob adjustment making easy for less skill operators to set the right welding parameters. Convenient connection mode. Outer connection makes it quick, safe, simple and reliable. MMAW (stick welding) is also available which can also weld cellulosic electrodes. Built-in VRD voltage reduction in Stick and TIG modes. TIG Lift-ARC welding, program control, easy arc start, anti-sticking torch Note:- We reserve the right to update the manual without notification

11 C-1 INSTALLATION C-1 SAFETY PRECAUTIONS WARNING ELECTRIC SHOCK can kill. Only qualified personnel should perform this installation. Turn the input power OFF at the main switch or fuse box before working on this equipment. Do not touch electrically live parts or electrode with skin or wet clothing. Insulate yourself from work and ground. Always wear dry insulating gloves. FUMES AND GASES can be dangerous. Keep your head out of fumes. Use ventilation or exhaust to remove fumes from breathing zone. WELDING SPARKS can cause fire or explosion. Keep flammable material away. Do not weld on closed containers. PLEASE SEE ADDITIONAL WARNING INFORMATION AT THE FRONT OF THIS OPERATOR S MANUAL. SELECT A SUITABLE LOCATION This power source should not be subjected to rain, nor should any parts of it be submerged in water. Doing so may cause improper operation as well as pose a safety hazard. The best practice is to keep the machine in a dry, sheltered area. CAUTION The bottom of machine must always be placed on a firm, secure, level surface. There is a danger of the machine toppling over if this precaution is not taken. Place the welder where clean cooling air can freely circulate in through the front louvers and out through the rear louvers. Water, dirt, dust or any foreign material that can be drawn into the welder should be kept to a minimum. Failure to observe these precautions can result in excessive operating temperatures and nuisance shutdowns.. Locate the PowerCRAFT TM machine away from radio controlled machinery. Normal operation of the welder may adversely affect the operation of RF controlled equipment, which may result in bodily injury or damage to the equipment. INPUT CONNECTIONS ELECTRIC SHOCK can kill. Have a qualified electrician install and service this equipment. Disconnect input power by removing plug from receptacle before working inside machines. Allow machine to sit for 5 minutes minimum to allow the power capacitors to discharge before working inside this equipment. Do not touch electrically live parts. INPUT POWER CONNECTION Check the input voltage, phase, and frequency supplied to this machine before turning it on. The allowable input voltage is indicated in the technical specification section of this manual and on the rating plate of the machine. Be sure that the machine is earthed (grounded). INPUT VOLTAGE The PowerCRAFT TM 180i MIG machine is to be provided with a 240V±10% input voltage, 50/60Hz. An output guide is provided in the technical specification section of this manual. ENGINE DRIVEN GENERATOR The machine is designed to operate on engine driven generators as long as the auxiliary can supply adequate voltage, frequency and power as indicated in the Technical Specification Installation Section of this manual. The auxiliary supply of the generator must also meet the following conditions: Frequency: in the range of 50 and 60 Hz RMS voltage of the AC waveform: V Peak voltage max. 367V Generator Minimum 7kVA It is important to check these conditions because many engine driven generators produce high voltage spikes. Operation of this machine with engine driven generators not conforming to these conditions is not recommend and may damage the machine and is also NOT covered by warranty.

12 C-2 INSTALLATION C-2 Do not attempt to use this equipment until you have thoroughly read all operating and maintenance manuals supplied with your machine. They include important safety precautions, detailed operating and maintenance instructions and parts lists ELECTRIC SHOCK can kill Do not touch electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground Always wear dry insulating gloves. Only qualified personnel should install, use or service this equipment. Location and Ventilation Whenever you use the PowerCRAFT TM 180i MIG Inverter MIG/Stick/TIG Welder be sure that clean cooling air can flow around the front and rear louvres, (there should be 500mm clearance for good ventilation). Avoid dusty, dirty areas, particularly if conductive particles are present in the cooling air. Also keep the machine away from heat sources. If operation is to be outdoors protect from rain and do not sit in puddles or otherwise submerge it in water. Such practices pose safety hazards and cause improper operation and corrosion of parts. Always operate the PowerCRAFT TM 180i MIG Inverter Welder with all panel work installed to enable correct cooling air flow and protect you from possible electric shock. Storing Store the machine in the permissible range of -25 ~ +55, in a dry place when it is not in use. Protect it from dust and dirt. Keep it were it cannot be.accidentally damaged from construction activities, moving vehicles and other hazards. Stacking The PowerCRAFT TM 180i MIG Inverter Welder CANNOT be stacked. Tilting Place the PowerCRAFT TM 180i MIG Inverter Welder on a secure, level surface whenever you use it or store it. Any surfaces you place it on other than the ground must be firm, non-skid and structurally sound.

13 D-1 TECHNICAL SPECIFICATION D-1 The PowerCRAFT TM 180i MIG Inverter Welder permissible environment:- The surrounding temperature range: When welding: -10 ~ +40 During transport or in storage: -25 ~ +55 Relative humidity: At 40 : 50% At 20 : 90%. Avoid excessive dust, acid and corrosive materials in the air as these will damage your machine. Excessive vibration is not permissible. Altitude No more than 1,000m. 500mm space about the welding machine, including from walls and other similar obstructions, is required to enable correct flow of cooling air. Keep protected from rain and direct sun when in use outdoors. The wind speed for all environments should less then 1m/s; The Mains Input Voltage Requirement The voltage wave form should be actual sine wave in shape with a maximum voltage variation of ±15% of the rated value; the frequency of the voltage wave form should not exceed a variation of ± 10% of the rated value. Circuit Block Diagram (Also refer to Section 9 Schematic Diagram) Rectifier Filter Inverter Transformer High Frequency Rectifier Drive Modulate Trait Control Sampling Protection Inspect Process Control Current Adjustment The welder acquires 230V (220 ~ 240V) single phase 50/60Hz AC power source through the power switch SW 101 and then rectified through a single phase rectifier bridge B1, then filtered through capacitors (C1, C2, C3, C4) to get the DC current. The 20 KHz AC current is derived through the IGBTs (Q1, Q2, Q3, and Q4) full bridge inverter. Then this alternating current, transformed by the intermediate frequency transformer and rectified by the quick recovery diodes (D4, D5, D6, D7), the stable DC current is filtered by the reactor L2 and then outputted. The wire feed speed can be steplessly adjusted through the Speed Control Knob. The welding current is easily adjusted by the wire feed speed control, usually the faster the wire feed speed the higher the current for the same voltage.

14 D-2 TECHNICAL SPECIFICATION D-2 The Welding Machine Configuration The PowerCRAFT TM 180i MIG welding machines consist of:- The upper part of the front panel is equipped with, a wire feed speed knob, an output voltage control knob, an electronic reactance control, a VRD indicator light (green), a power indicator light (white), abnormal indicator light (yellow), an amperage and voltage digital display, a mode selection button, a welding mode switch, 2T/4T/Spot selector, and a wire size selector. While the lower part is furnished with a Euro style torch quick connector, + & - quick connectors and polarity selection. The back side is installed with power switch, gas valve connection, cooling fan, input cable and an on/off switch. On the top there is a handle for the convenient of easy transport.internally there is the primary transformer, printed circuit board, output reactor, and the heatsink with the power semiconductors. The package consists of: PowerCRAFT TM 180i MIG power source MB15 MIG torch Work return lead and clamp Electrode lead and holder Flowmeter Drive rolls mm solid, mm cored Instruction manual

15 D-3 TECHNICAL SPECIFICATION D-3 PowerCRAFT TM 180i TECHNICAL SPECIFICATIONS INPUT SINGLE PHASE ONLY Standard Voltage/Phase/ Frequency 240V(±15%)/ 1/50/60 Hz Generator required Maximum Input Current Rated Input Current >7 KVA 28A 13A PowerCRAFT TM 180i GMAW SMAW GTAW RATED OUTPUT DC ONLY Duty Cycle (1) 20% 60% 100% 20% 60% 100% 20% 60% 100% Amperes 180A 104A 80A 140A 80A 62A 180A 104A 80A Volts at Rated Amperes 23V 18.2V 18V 25.6V 23.2V 22.5V 17.2V 14.2V 13.2V OUTPUT Open Circuit Voltage RANGE Welding Current Range Welding Voltage Range PowerCRAFTTM 180i GMAW 20A ~ 180A 15.0V ~ 23.0V SMAW 62V 20A~140A 20.8V ~ 25.6V GTAW 15A ~ 180A 10.6V ~ 17.2V OTHER PARAMETERS Power Factor Efficiency Protection Class Insulation Class PowerCRAFT TM 180i % IP21S H PHYSICAL DIMENSIONS Length Width Height Weight PowerCRAFT TM 180i 550mm 320mm 440mm 15.4Kg (2) Temperature Range Operating Temperature Range -10 C ~ +40 C(14 F~104 F) Storage Temperature Range -25 C ~ +55 C(-13 F~131 F) (1) Based upon 10 minute time period(i.e., for 30% duty cycle, it is 3 minutes on and 7 minutes off) (2) Power Source only. Note: The above parameters are subject to change with the improvement of machine

16 D-4 TECHNICAL SPECIFICATION D-4 MB15 MIG Torch (Gun) Illustration The MB15 MIG torch is composed of the Euro connector, connecting cable and handle. There is a gooseneck installed in the handle of the torch. The gas diffuser distributes shielding gas in the nozzle to provide even shield for the welding arc. A switch on the handle controls the welding output. * Turn off the power before assemble/disassemble or replacement of the torch components. * The cable, nozzle and tip need to be replaced as required. Graphics and their meanings Earth / Ground Descending MMAW (Stick) welder GMAW (MIG) welder GTAW (TIG) welder 1 Single phase AC power source Single phase inverter---transformer---rectifier DC current +: + Output connector -: - Output connector X: Duty Cycle I1: Rated Input Current I2: Rated Welding Current P1: Rated Input Power U0: Rated Open Circuit Voltage U1: Rated Input Voltage U2: Rated Load V ~50/60 Hz: AC, Rated frequency 50 Hz, workable frequency 60 Hz. V: Voltage (V) A: Current (A)

17 D-5 TECHNICAL SPECIFICATION D-5 kva: Power (kva) %: Percentage A/V ~ A/V: Duty Cycle: IP21S: Output range. Rated min and rated max welding current and related load voltage. The rated duty cycle of a Welding Power Source, is a statement of the time it may be operated at its rated welding current output without exceeding the temperature limits of the component parts. Case protection class. IP is the code of International Protection. 2 - Means preventing the user s finger from accessing dangerous parts; preventing solid material with the diameter no less than 12.5 mm entering into the cabinet. 1 Means water dropping vertically remains harmless. S Means water protection test is conducted while the movable parts are at standstill. H: H insulation grade. Notice: The temperature rise test of the welding power source had been carried out in the room temperature. The rated duty cycle of 40 is obtained by simulation. Power Source Placement * Avoid excessive dust, acid and corrosive materials in the air. * Keep protected from rain and direct sun when in use outdoors. * There should be 500 mm space about for the welding machine to have good ventilation. * Use adequate ventilation when in confined areas. Connection between Power Source and Input Power Supply Connect the input cable, (located in the rear panel of the welder), into the single phase 220~240 voltage power receptacle of appropriate current capacity and with an appropriately sized circuit breaker.

18 D-6 TECHNICAL SPECIFICATION D-6 Power supply configure of a welder: Item Circuit breaker(a)( D Curve) PowerCRAFT TM 180i 15 Fuse (Rated current)(slow Blow) 15 Power cord(mm2) 2.5 Notice: The melting current of the fuse is 1.2~1.5 times its rated current. The installation and connection for MIG welding * Select a suitable filler wire according to process being used (Lincoln Ultramag S6 for MIG and Innershield NR211MP for gasless flux cored welding). The wire diameter must be matched to the drive roll, the liner and contact tip. * Open the side panel of wire feeder and mount the wire spool on the spool post. The end of the wire must be at the bottom of the wire spool, opposite wire feeder inlet guide tube. * The spool post is fitted with a brake; the wing nut in the centre of the spool post adjusts the brake tension. Pull the wire from the reel by hand and adjust the tension to provide some drag - clockwise will increase the braking and anticlockwise reduces it.

19 D-7 TECHNICAL SPECIFICATION D-7 * Release the wire tensioning device on the drive rolls, insert the filler wire end into the inlet guide tube of wire feeder, align wire with the drive roll groove and feed a short length into the torch connector so that it protrudes out of the front panel, then replace the tensioner over the wire. (The filler wire is feed through the torch cable once the input power is switched on.) Connection between Power Source and Torch * Insert the torch connector over the protruding wire and into the Euro connector on the front panel of the welder and rotate the screw cap firmly. Connection between Power Source and Work Piece Insert the quick connector of work return cable into the current output (-) terminal on the lower section of the front panel and then screw in clockwise. The earth clamp is connected with work piece. The short welding power lead connected to the power source needs to be connected into (+) output terminal. * For correct arc performance when using flux-cored gasless wire the polarity needs to be reversed, connect the (+) and (-) in the opposite way, that is the torch will be (-) and the work lead will be (+). Do not use steel plate or similar materials which are high resistance to connect between welder and work piece. The installation and connection for stick welding. a) Connection of electrode lead to the welder. Connect the quick connector of electrode lead to the (+) output quick connect terminals on the front panel, turn clockwise and ensure the connection is tight. b) Connection of the work return lead to the welder. Connect the quick connector of work return lead to the (-) output quick connect terminals on the front panel, turn clockwise and ensure the connection is tight. Do not use steel plate or similar materials which are high resistance to connect between welder and work piece.

20 E-1 OPERATION E VRD indicator LED 2 Power indicator 3 Current display 4.Wirefeeding/amperage 5 Welding mode selection 6 2T/4T change 7 Voltage display 8 Voltage adjustment 9 Electronic inductance 11 Wire diameter 12 Euro torch socket 13 Output socket 14 Rating plate 15 Gas input 16 Power switch 17 Cable holder 18 Protection indicator 19 Wire Feed speed 20 Amperage display 21 MIG torch connector Note:- * The protection indicator light will come on if the duty cycle is exceeded. It shows that the inner temperature is over the permitted level, the machine should be stopped being used to allow it cool down. Welding can continue after the protection indicator light is off. * The power source should be switched off when not in use. * Welders should wear protective clothing and welding helmet to prevent injury from arc and thermal radiation. * Care should be taken so as not to expose others to the welding arc. Use of screening is recommended. * Do not weld near Inflammable or explosive materials.

21 E-2 OPERATION E-2 Front Panel Controls Power Light This pilot lamp illuminates when the power source is on. 2. VRD Light The machine is working in VRD voltage range when light is on. 3. Thermal Light This indicator will turn on when the machine is overheated and the output has been disabled. This normally occurs when the duty cycle of the machine has been exceeded. Leave the machine on to allow the internal components to cool. When the indicator turns off, normal operation is again. 4. Amp/WFS display Stick, TIG & MIG synergic mode: For amp preset before welding, and display actual amperage in welding. MIG manual mode: For WFS preset before welding, and display actual amperage in welding. 5. Voltage display MIG mode: For voltage preset before welding, and display actual voltage in welding. Stick &TIG mode: Display actual voltage in welding. 6. Voltage Knob Function1:Rotary this knob for voltage adjustment in MIG mode Function2:Press this knob for gas flow check and choose. short press once will display "GAS ON-", and machine will turn into gas check status with 15sec continuous flow

22 E-3 OPERATION E-3 Continually press twice, machine will turn into gas selection status, and display CO2 AR- for using mix gas; press again, will display CO2 --- for using Co2. 7. Inductance Knob For inductance adjustment in MIG mode. Reduce to soften the arc or increase for crisp arc 8. Synergic Switch Select the wire size, choose in MIG synergic mode. Synergic mode allows adjustment of the welding parameters by adjusting (11) amp knob. Switch to Manual for synergic off and into manual adjustment, welding parameters are then set by adjusting (6) voltage knob and (11) wire feed knob. 9. 2/4T Switch In 2T MIG torch trigger functions in 2 step on/off. In 4T the MIG torch trigger functions in 4 step on / let the trigger go welding will continue until the trigger is closed again and released / off. 10. Mode switch For switching welding mode: Stick welding MIG welding TIG welding 11. Amp/WFS knob Stick & TIG mode: for welding amperage adjustment MIG Synergic mode: for welding amperage adjustment MIG Manual mode: for wire feeder speed / amperage adjustment 12. Amp light When amp light is on, the amp display shows amps. 13. WFS light When WFS light is on, the current display shows wire feeder speed for preset.

23 E-4 OPERATION E-4 Welding Getting started Work Piece cleaning Before Welding The joint to be welded must be clean, remove existing rust, greasy dirt, water and paint etc. MIG welding steps a) Before welding * Install the MIG torch, gas and welding wire, and then turn on the power switch. The power indicator is on and fan works. * Set the welding mode button on MIG * Turn on the gas regulator on the gas cylinder, the gas pressure is shown on the gauge. * Release the drive roll pressure, press the gun trigger, and then adjust the gas flow to meet the specification requirement, (turn the gas regulator anticlockwise to reduce the flow rate). Then re-engage the drive roll pressure. * Press the gun trigger till the wire exits the nozzle. (The nozzle may need to be removed from the gun to allow this function). * When wire feeding, keep the gun cable straight. * When wire feeding, make sure the wire is located on the drive roll groove and the feeding speed should be smooth. If the wire feeding speed is not smooth, please adjust the tension of the drive roll. * When using MIG wire, the V groove wire roller should be used. MIG operation mode: press Amp/WFS adjustment knob, this gives wire inch function. Press the voltage adjustment knob, gives a gas purge function. b) Welding There are five options for wires: 0.6mm, 0.8mm, 0.9mm, 1.0mm, and manual. In the manual function, operator needs to set up welding voltage and wire feeding speed. The other four options are synergic adjustment; operator only needs to select the wire diameter being used and adjust wire feeding speed. The PowerCRAFT TM 180i will match relevant voltage automatically, and also operator can make micro adjustment of voltage to fine tune the output. Inductance can be adjusted hard and soft welding arc. Welding methods: 2 step and 4 step. Welding material the PowerCRAFT TM 180i is designed to weld mild steel and stainless steel. (Note: the welding voltage pre-display will show peak voltage). * pressing voltage adjustment knob,following data will be showed: When showing Gas On-, release the knob, gas valve will open and supply the gas When showing Gas CH- release the knob, and turning the knob, you can choose the shielding gas to be used. * When welding, adjust the welding current and welding voltage to match the wire being used. * Point the wire into the joint to be welded, press the gun trigger, the wire feeds automatically. The arc is started once the wire touches the work piece.

24 E-5 OPERATION E-5 Gasless (Innershield) Wire welding steps a) Before welding * Change the polarity on the front of the PowerCRAFT TM 180i, connect MIG torch lead to - and the work cable lead to +. * Set the welding mode button on MIG * Install the gun, and welding wire, and then turn on the power switch. The power indicator is on and fan works. * Press the gun trigger till the wire extends to the nozzle. (The nozzle may need to be removed from the gun to allow this function). * When wire feeding, keep the cable straight. * When wire feeding, make sure the wire is located on the drive roll groove and the feeding speed should be smooth. If the wire feeding speed is not smooth, adjust the tension of the drive roll. * When using flux cored wire, the knurled drive roll should be used. b) Welding * When welding, adjust the welding current and welding voltage to match the wire being used. * Point the wire into the joint to be welded, press down the gun trigger, the wire feeds automatically. The arc is started once the wire is touched the work piece. Stick welding steps a) Before welding * Set the welding mode button on stick. * Set the welding amperage with the Amp knob. * Connect the Electrode lead to the (+) output terminal on the front of the machine * Connect the work return lead to the (-) output terminal on the front of the machine b) Welding * Take up the electrode holder, install the electrode - point the electrode into the joint to be welded, scratch the work piece to start the arc. TIG Lift-ARC welding steps, (Optional TIG torch required). a) Before welding * Set the welding mode button on Lift-ARC, welding torch should connect to positive (+) output terminal, and work return lead to the negative (-) output terminal. * Set the welding amperage with the Amp knob. * Turn on the gas regulator on the gas cylinder, the gas pressure is shown on the gauge. b) Welding * Turn the gas valve located on the TIG torch to start the flow of shielding gas * Touch the tungsten electrode to the work piece, then lift the tungsten and the welding arc will start. * To stop welding lift the TIG torch away from the work piece. * Turn the gas valve located on the TIG torch off to stop the flow of shielding gas. Error code a) PAS te Machine in Anti-sticking status b) OL oad Machine is over load

25 F-1 MAINTANCE AND TROUBLESHOOTING F-1 MAINTENANCE In order to guarantee the arc welding machine works efficiently and safely, it must be maintained regularly. Refer to the maintenance items in the following table. Warning: For safety while maintaining the machine, please disconnect the supply power and wait for 5 minutes, until capacitor voltage drops to safe voltage. All service work should be conducted by an authorised Lincoln Electric field service agent Maintenance items Daily examination Check operation of the panel knob s and switch s on the front and at the back of arc welding machine are operational and operate correctly. If the switch is not operational, replace immediately. Check the function of the LED display. If it doesn t work, maintain or replace the display PCB. Check fan is operating normally. If the fan is damaged, change immediately. If the fan does not rotate after the arc welding machine is overheated, check if something blocking the fan blade, if it is blocked, remove the obstruction. If the fan still does not rotate try to spin the blade in the rotation direction of fan. If the fan rotates normally, the start capacitor should be replaced; If not, change the fan. Check the output terminals for overheating, if so change output terminals. Ensure welding lead plugs are connected tightly. Check welding leads for damage. If damaged replace leads. Monthly examination Using dry compressed air to clear the inside of arc welding machine. Especially remove dust from heat sinks, main voltage transformer, inductance, IGBT module, the fast recover diode and PCB, etc. Yearly examination Have a Lincoln Field service ship perform an insulation resistance test.

26 F-2 MAINTANCE AND TROUBLESHOOTING F-2 HOW TO USE TROUBLESHOOTING GUIDE WARNING Before arc welding machines are dispatched from the factory, they have already been tested. Therefore no unauthorised modifications are allowed. Unauthorised repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electric Shock, please observe all safety notes and precautions detailed throughout this manual. This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions. Simply follow the three-step procedure listed below. Step 1: LOCATE PROBLEM (SYMPTOM). Look under the column labeled PROBLEM (SYMPTOMS). This column describes possible symptoms that the machine may exhibit. Find the listing that best describes the symptom that the machine is exhibiting. Step 3. RECOMMENDED COUSE OF ACTION This column provides a course of action for the Possible Cause. If you do not understand or are unable to perform the Recommended Course of Action safely, contact your local Lincoln Authorized Field Service Facility. Step 2: POSSIBLE CAUSE The third column labeled POSSIBLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom. WARNING ELECTRIC SHOCK can kill. 1. Have an electrician install and service this equipment. 2. Turn the input power off at the fuse box before working on equipment. 3. Do not touch electrically hot parts. CAUTION If for any reason you do not understand the test procedure or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

27 F-3 MAINTANCE AND TROUBLESHOOTING F-3 Troubleshooting Guide No. Problem Possible Cause What to do Yellow Thermal Indicator is on Wire feeding motor not working Cooling Fan not working or turning very slowly Arc is not stable and spatter is large 5 Arc will not start 6 No shielding gas 7 Others Input voltage is too high ( 15%) Input voltage is too low ( 15%) Insufficient ventilation. Ambient temperature is too high. Exceeding the rated duty-cycle. Potentiometer faulty Nozzle is blocked. Drive roll is loose. Switch broken Fan broken Wire broken or disconnected Too large contact tip makes the current unsteady Too thin power cable makes the power unstable. Too low input voltage Wire feeding resistance is too large Work cable broken Work piece has greasy, dirty, rusty or painted Torch is not connected properly. Gas pipe is crimped or blocked. Gas hose broken. Switch off power source; Check the main supply. Restart welder when power recovers to normal state. Improve the ventilation. It will automatically recover when the temperature reduces. It will automatically recover when the temperature reduces. Change potentiometer Change nozzle Increase tension on drive roll Replace the switch Replace or repair the fan Check the connection Change to proper contact tip and / or drive roll. Change the power cable. Correct the input voltage. Clean or replace the liner and keep the gun cable straight. Connect / repair work cable Clean work piece, ensure good electrical contact between work clamp and job. Re-connect the torch. Check gas system. Repair or replace Please contact our Field Service Shop.

28 G-1 SPARE PARTS LIST G Spare Parts List 1 Hinge 16 Work cable and clamp 31 Fan 2 Case cover, enclosure 17 MIG Gun (ROHS) 32 Main PCB 3 Wire retainer 18 Euro Connector (ROHS) 33 Rear Panel 4 Control transformer 19 MIG Gun receptacle 34 Power Cord retainer 5 Main PC Board 20 Wire feeder assembly 35 Power Cord(RoHS) 6 Door 21 Potentiometer Knob 36 Main Switch (ROHS) 7 Door lock (ROHS) 22 MIG Gun connector cable 37 Nut M14*1.5 8 Spool holder 23 Cord retainer 38 Gas Valve connector 9 Vertical center sheet metal 24 Quick Connector, female 39 Gas solenoid valve 10 Main Transformer 25 Feet 40 Handle 11 Hall Effect Device 26 Output Inductance 12 Sheet metal case base 27 Loaded PCB 13 Plastic front panel 28 Capacitance PCB 14 Front panel support 29 Heat Sink 15 Front panel control board 30 Rectifier Note: The list above is for reference only.

29 H-1 SCHEMATIC WIRING DIAGRAM H-1 This diagram is for reference only, no notification of changes will be issued L SW101 AC220~240V 50/60Hz 16A/250Vac R7 N PE R101 RLY101 R8 RG5 ZD5 F FAN1 T : /15VA CN101 AC B1 AC + C1 C15 C2 R1 C3 CT1 C4 ZD1 RG2 ZD2 ZD3 TH1 CT1 ZD6 RG7 ZD7 ZD8 C5 C6 RG4 ZD4 MIG 200 PWR DigiMIG-001 Q1 Q2 Q3 Q4 RG6 RG8 T- T+ T3 1 2 CN201 C9 C10 YR1 YR2 D4 D5 D6 D7 L2 C11 C12 C13 RG1 C RG CN3 CN QF CN DigiMIG-002 CN203 CN5 CN M

30 I-1 WARRANTY I-1 Warranty Terms & Conditions Lincoln Electric Limited Warranty STATEMENT OF LIMITED WARRANTY This warranty is given by The Lincoln Electric Company (Australia) Pty Limited ("Lincoln "), 35 Bryant St, Padstow NSW 2211, Tel: 1300 LINCOLN ( ). Under this warranty, Lincoln warrants all new machinery and equipment ("goods") manufactured by Lincoln against defects in workmanship and material subject to certain limitations hereinafter provided. The benefits to the purchaser given by this warranty are in addition to other rights and remedies of the purchaser under a law in relation to the goods. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure. This warranty is void if Lincoln or Lincoln's Authorised Service Facility finds that the equipment has been subjected to improper installation, improper care or abnormal operations. Further, this warranty does not apply to: cable wear and consequential damage resulting from cable wear due to flexing and abrasion. The purchaser is responsible for routine inspection of cables for possible wear and to remedy the issue prior to cable failure; engines and engine accessories; any batteries supplied with the goods; repairs done to the goods and undertaken by the purchaser outside Lincoln's premises without written authority from Lincoln obtained prior to any such repair; or any damage or failure of the goods as a result of normal wear and tear or the neglect misuse abuse or failure to properly service goods by any purchaser. PERIOD OF WARRANTY "LINCOLN BRANDED GOODS" Lincoln will assume both the parts and labour expense of correcting defects during this warranty period. All warranty periods under this warranty start from the date of purchase from a Lincoln Authorised Distributor or Lincoln Authorised Service Facility to the original end user or from the date of manufacture if proof of purchase is not available and are as follows: Three Years All Lincoln welding machines, wire feeders and plasma cutting machines unless listed below. Two Years Ranger 405D, Italian Invertec Welders & Plasmas machines unless listed below. One Year Kjellberg Plasma Cutting Equipment. Fanuc Robotic Equipment. Genesis Systems Group Equipment. Weld Engineering Flux Recovery Equipment. Binzel Robotic Cleaning Stations & Associated Equipment.

31 I-2 WARRANTY I-2 PCA Profile Cutting Machines. All PowerCRAFT Welding Machines All water coolers (internal and external). Arc welding and cutting robots and robotic controllers. All stick electrodes, welding wires and fluxes. All Environmental Systems equipment, including portable units, central units and accessories. (Does not include consumable items listed under 30-day warranty). All welding and cutting accessories including wire feed modules, undercarriages, field installed options that are sold separately, unattached options, welding supplies, standard accessory sets, replacement parts. (Does not include expendable parts and guns/torches listed under 90 and 30 day warranties). 90 Days All Gun and Cable Assemblies (manufactured by Lincoln ) and Spool guns. All MIG, TIG and Plasma Torches. All "Pro Torch" TIG Torches. 30 Days All consumable items that may be used with the environmental systems described above. This includes hoses, filters, belts and hose adapters. Expendable Parts - Lincoln is not responsible for the replacement of any expendable part that is required due to normal wear. WARRANTY CLAIM PROCESS The purchaser must contact Lincoln (see contact details above) within the applicable warranty period about any defect claimed under this warranty. Lincoln may direct the purchaser to one of Lincoln's Authorised Service Facilities. Determination of warranty on welding and cutting equipment will be made by Lincoln or one of Lincoln's Authorised Service Facilities as directed by Lincoln. At Lincoln's request, the purchaser must return, to Lincoln or Lincoln's Authorised Service Facility, at the purchaser's cost, any goods claimed defective under this warranty, or permit Lincoln or Lincoln's Authorised Service Facility to inspect the goods at the purchaser's premises. Lincoln may at its absolute discretion repair or replace the goods at its own premises or at such other premises as Lincoln may designate provided that all freight charges to and from Lincoln's premises or such other premises as Lincoln may designate shall be paid by the purchaser. If Lincoln or Lincoln's Authorised Service Facility confirms the existence of a defect covered by this warranty; the defect will be corrected by repair or replacement at Lincoln's option. CUSTOMER ASSISTANCE POLICY Lincoln's business is manufacturing and selling high quality welding equipment, consumables, and cutting equipment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask Lincoln for advice or information about their use of our products. We respond to our customers based on the best information in our possession at that time. Lincoln is not in a position to warrant or guarantee such advice and to the extent permitted by law assumes no liability, with respect to such information or advice. As a matter of practical consideration, we also cannot assume any responsibility for updating or correcting any such information or advice once it has been given. The provision of information or advice does not create, expand or alter this warranty. Lincoln is a responsive manufacturer, but the selection and use of specific products sold by Lincoln is solely within the control of, and remains the sole responsibility of the customer. Many variables beyond the control of Lincoln affect the results obtained in applying this type of fabrication methods and service requirements.

32 NOTE THE LINCOLN ELECTRIC COMPANY PTY LTD 35 Bryant Street Padstow NSW