Lincoln Electric IM687 manual Troubleshooting

Models: IM687

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E-3

 

TROUBLESHOOTING

E-3

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

RECOMMENDED

 

 

(SYMPTOMS)

MISADJUSTMENTS

COURSE OF ACTION

 

 

 

 

 

 

OUTPUT PROBLEMS

Machine regularly over heats - ther- mostat opens, Yellow light on front panel glows. The fan runs but machine has no output.

1.Welding application may exceed recommended duty cycle. Reduce the duty cycle.

2.Dirt and dust may have clogged the cooling channels inside the machine. Blow out unit with clean, dry

low pressure air.

3.Air intake and exhaust louvers may be blocked due to inadequate clearance around machine.

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.

SQUARE WAVE TIG 175 PRO

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Lincoln Electric IM687 manual Troubleshooting