Lincoln-electric 500 User Manual download pdf (Page 37)

E-4

TROUBLESHOOTING

E-4

VANTAGE 500 CUMMINS

Observe all Safety Guidelines detailed throughout this manual

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your

Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

CAUTION

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Engine goes to low idle but does not

stay at low idle.

No welding output or auxiliary out-

put.

Welder has some/ no output and no

control. Auxiliary output OK

No welding output. Auxiliary output

OK.

No auxiliary power.

1. Weld Control PCB or electronic

governor controller.

1. Broken lead in rotor circuit.

2. Faulty field diode module.

3. Faulty Weld Control PCB.

4. Faulty rotor.

1. Faulty remote kit.

2. Faulty output control potentiome-

ter.

3. Faulty output control wiring.

4. Faulty Weld Control PCB or

Chopper PCB.

1. WELDING TERMINALS switch in

wrong position, be sure switch is

in WELDING TERMINALS

ALWAYS ON position.

2. Faulty Weld Control PCB or

Chopper PCB.

1. GFCI Receptacle may have

tripped. Follow “GFCI Receptacle

Testing and Resetting Procedure”

in the MAINTENANCE section of

this manual.

2. Open breakers may need to be

reset.

3. Faulty receptacle.

4. Faulty auxiliary circuit wiring.

If all recommended possible areas of

misadjustment have been checked

and the problem persists, Contact

your local Lincoln Authorized

Field Service Facility.

FUNCTION PROBLEMS

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 53 54

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Lincoln-electric 500 User Manual Page 37

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