| TROUBLESHOOTING | |||
| Observe all Safety Guidelines detailed throughout this manual | |||
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| PROBLEMS | POSSIBLE | RECOMMENDED |
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| (SYMPTOMS) | CAUSE | COURSE OF ACTION |
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PROBLEMS
Variable or sluggish welding arc. | 1. | Make sure the mode switch is in |
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| the proper position for the |
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| process. |
| 2. | Make sure the welding cables are |
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| sized correctly and the connec- |
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| tions are tight. |
| 3. | Make sure the welding proce- |
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| dures are correct. |
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Output Control Pot not functioning in | 1. | Check the Local/Remote control |
“Local” control only. |
| switch and associated leads. |
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| See wiring diagram. |
| 2. | The machine output control |
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| potentiometer may be faulty. |
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| Also check associated leads. |
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| See wiring diagram. |
No output control in “Remote” control 1. | Output Control Switch in wrong |
only. | position. |
2. | Faulty Output Control Switch. |
3. | Faulty Remote Control Pot. |
4. | Leads or connections open in con- |
| trol circuit. (#75, #76, #77) |
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.
