E-5

 

TROUBLESHOOTING

E-5

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE

RECOMMENDED

 

(SYMPTOMS)

 

CAUSE

COURSE OF ACTION

 

 

 

 

 

 

 

 

PROBLEMS

 

 

 

 

 

Machine will not weld. OCV is less

1.

The machine may be in a over-

 

than 1 volt.

 

load condition. Refer to Machine

 

 

 

 

Protection in the operation sec-

 

 

 

 

tion.

 

 

 

2.

See the PC board LED informa-

 

 

 

 

tion.

 

 

 

 

 

The wire feeder will not come on.

1.

Either the 42VAC or the 115VAC

 

 

 

 

circuit breakers may be tripped.

 

 

 

 

Reset if necessary.

 

 

 

2.

Check for the presence of the

 

 

 

 

required voltage to operate the

 

 

 

 

wire feeder.

 

 

 

3.

The control cable or wire feeder

 

 

 

 

may be faulty.

 

Contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance.

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.

DC-655

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Lincoln Electric IM602-A manual Problems