TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF MISADJUSTMENTS(S)
RECOMMENDED
COURSE OF ACTION
Variable or “hunting” arc. | 1. | Worn and/or melted contact tip - |
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| Replace. |
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| 2. | Worn work cable or poor work |
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| connection. |
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| 3. | Loose electrode |
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| Check for loose or faulty |
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| connections. |
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| 4. | Wrong electrode polarity | for |
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| process being used. |
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Weld porosity, narrow and ropey | 1. | Contaminated weld joint | or |
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bead, or electrode stubbing into |
| improper procedures . - Clean |
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plate when welding. |
| joint and check procedure (wire | If all recommended possible areas of | ||
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| speed and all voltage). |
| misadjustment have been checked |
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| and the problem persists, Contact |
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Motor feeds but there is no wire | 1. | Make sure all molex plugs and | your local Lincoln Authorized | ||
Field Service Facility. | |||||
feed speed control. |
| leads are securely connected to |
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| the control board. |
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| 2. | Check speed sensor - see |
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| maintenance section. |
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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 your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
