TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Improper wire speed control. | 1. | Faulty printed circuit board, |
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| faulty rheostat, or faulty motor. |
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Can’t obtain required voltage. | 1. Defective power source of CV | |
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| Converter. |
| 2. | On SAM welders, constant |
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| voltage control must be adjusted |
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| to give required voltage and |
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| mode switch must be set to |
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| constant voltage position. |
| 3. | On transformer or inverter |
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| welders, fine voltage control |
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| switch must be set to remote |
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| position. |
| 4. | Broken lead(s) in |
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| 5. | Defective voltage control |
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| rheostat. |
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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 Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.