TROUBLESHOOTING
Observe Safety Guidelines
detailed in the beginning of this manual.
Troubleshooting Guide
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| PROBLEMS |
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| POSSIBLE AREAS OF |
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| (SYMPTOMS) |
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| MISADJUSTMENT(S) |
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| OUTPUT PROBLEMS |
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| Machine regularly over heats - |
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| 1. Welding application may |
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| thermostat opens, PL1 (yellow light |
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| exceed recommended duty |
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| on front panel) glows. The fan runs |
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| cycle. |
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| but machine has no output and no |
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| display. |
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| 2. Dirt and dust may have |
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| clogged the cooling channels |
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| inside the machine. Blow out |
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| unit with clean, dry |
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| compressed air. |
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| 3. Air intake and exhaust louvers |
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| may be blocked due to |
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| inadequate clearance around |
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| machine. |
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| Machine makes a very loud |
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| 1. Inspect output stud insulators |
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| buzzing noise in DC Stick Mode, or |
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| for cracks or signs of over- |
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| in DC TIG Mode when the arc start |
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| heating. |
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| or amptrol is pressed. |
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| There is no current draw from |
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| machine’s output studs. |
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| (The machine is not externally |
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| loaded). |
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RECOMMENDED COURSE OF ACTION
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, contact your local Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
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