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TROUBLESHOOTING & REPAIR | ||||
Observe Safety Guidelines |
| TROUBLESHOOTING GUIDE | ||
detailed in the beginning of this manual. |
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PROBLEMS | POSSIBLE AREAS OF |
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(SYMPTOMS) | MISADJUSTMENT(S) |
| COURSE OF ACTION |
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| OUTPUT PROBLEMS |
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The "OUTPUT ON" and "MAL- | 1. The pilot arc duty cycle has | Make sure operator is not | ||
FUNCTION" or "FAULT" LED's | been exceeded. | The | exceeding pilot arc duty cycle. | |
blink in alternating order. No | machine should cool | down |
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pilot arc. | and the lights quit blinking in |
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| 20 seconds. The pilot arc |
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| duty cycle is limited to 20 out |
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| of 80 seconds except in spe- |
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| cial circumstances such as |
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| cutting expanded metal. |
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CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed call