Lincoln Electric IM490-C manual See Installation Section of this

Models: IM490-C

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E-5

 

 

TROUBLESHOOTING & REPAIR

 

 

E-5

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

No output - Main input fuses open, indicating excessive current draw.

1.Inspect input leads for possible shorts or grounds or mis-connec- tions.

2.Install new fuses and reapply power. If fuses open again, con- sult a Lincoln Authorized Field Service Facility.

The machine operates normally

1. Check the input voltage and input

when connected for 200 - 230VAC

voltage reconnect procedures.

input. There is no output when the

See Installation Section of this

machine is connected to 380VAC or

manual.

higher.

 

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, con- tact your local authorized field service facility for technical troubleshooting assistance before you proceed.

INVERTEC V250-S

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Lincoln Electric IM490-C manual See Installation Section of this