E-4 TROUBLESHOOTING
TROUBLESHOOTING GUIDE
Observe Safety Guidelines detailed in the beginning of this manual.
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| PROBLEMS |
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| POSSIBLE AREAS OF |
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| RECOMMENDED |
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| (SYMPTOMS) |
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| MISADJUSTMENT(S) |
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| COURSE OF ACTION |
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| OUTPUT PROBLEMS |
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| The welding arc is unstable or |
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| 1. Check the work cable for loose |
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| “hunting”. |
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| or faulty connections. |
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| 2. | Check the contact tip and |
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| replace if worn or damaged. |
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| If all recommended possible areas |
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| 3. | Make sure the welding polarity is |
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| of misadjustment have been |
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| checked and the problem persists, |
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| correct for the process being |
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| contact your local Lincoln |
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| used. |
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| Authorized Field Service Facility. |
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| 4. | Make sure the shielding gas is |
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| correct for the process being |
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| used. |
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| 5. | The gun and cable assembly |
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| may be faulty. Replace. |
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