E-4

TROUBLESHOOTING

E-4

 

 

 

PROBLEMS

POSSIBLE AREAS OF

RECOMMENDED

(SYMPTOMS)

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

FUNCTION PROBLEMS

Engine goes to low idle but does not stay at

1.

Faulty Peripheral PCB, Pull Coil/Battery

low idle.

 

PCB or Weld Control PCB.

 

 

 

No welding output or auxiliary output.

1.

Broken lead in rotor circuit.

 

2.

Faulty field diode module.

 

3.

Faulty Weld Control P.C. Board.

 

4.

Faulty rotor.

 

 

Welder has some/ no output and no control.

1. Faulty remote kit.

Auxiliary output OK

2.

Faulty output control potentiometer.

 

3.

Faulty output control wiring.

 

4.

Faulty Weld Control PCB, Pull

 

 

Coil/Battery PCB or Chopper PCB.

 

 

 

No welding output. Auxiliary output OK.

1.

WELDING TERMINALS switch in wrong

 

 

position, be sure switch is in WELDING

 

 

TERMINALS ALWAYS ON position.

 

2.

Faulty Weld Control PCB, Pull

 

 

Coil/Battery PCB or Chopper PCB.

 

 

No auxiliary power.

1. Open circuit breakers.

 

2.

Faulty connections to auxiliary

 

 

receptacles.

 

3. 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.

CAUTION

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.

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Vantage 575

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Lincoln Electric 575 manual Problems Possible Areas Recommended, Misadjustments Course of Action