E-4

TROUBLESHOOTING

E-4

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Engine goes to low idle but does not

1. Faulty Peripheral PCB,

Pull

 

stay at low idle.

 

Coil/Battery 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 PCB.

 

 

 

 

4.

Faulty rotor.

 

 

 

 

 

 

 

 

 

Welder has some/ no output and no

1.

Faulty remote kit.

 

 

 

control. Auxiliary output OK

2.

Faulty output control potentiome-

 

 

 

ter.

 

 

 

 

3.

Faulty output control wiring.

 

 

 

 

4.

Faulty Weld Control PCB, Pull

 

 

 

Coil/Battery PCB or Chopper

 

 

 

PCB.

 

 

 

 

 

 

 

No welding output. Auxiliary output

1. WELDING TERMINALS switch

 

OK.

 

in wrong position, be sure switch

 

 

 

is in WELDING TERMINALS

 

 

 

ALWAYS ON position.

 

 

 

 

2.

Faulty Weld Control PCB, Pull

 

 

 

Coil/Battery PCB or Chopper If all recommended possible

areas

 

 

PCB.

 

of misadjustment have

been

 

 

 

 

checked and the problem persists,

 

 

 

 

No auxiliary power.

1.

RCD may have tripped.

 

Contact your local Lincoln

 

2.

Open breakers may need to be Authorized Field Service Facility.

 

 

reset.

 

 

 

 

3.

Faulty receptacle.

 

 

 

 

4.

Faulty auxiliary circuit wiring.

 

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.

VANTAGE® 575 CUMMINS

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Lincoln Electric IM10044 manual Pcb