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TROUBLESHOOTING & REPAIR | |||||
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| TROUBLESHOOTING GUIDE - Observe all Safety Guidelines detailed throughout this manual |
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| PROBLEMS |
| POSSIBLE AREAS OF | RECOMMENDED |
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| (SYMPTOMS) |
| MISADJUSTMENTS(S) | COURSE OF ACTION |
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| WELDING PROBLEMS |
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The welding arc is variable and slug- | 1. | Check the welding cable con- | 1. Perform the Output Rectifier | ||
gish. |
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| nections for loose or faulty con- | Bridge Test. |
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| nections. |
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| 2. The control board may be faulty. | |
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| 2. Make sure the wire feed speed, | Replace. |
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| voltage, and shielding gas are |
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| correct for the process being |
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| used. |
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The arc striking is poor. | 1. | Check the welding cable con- | 1. The control board may be faulty. | ||
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| nections for loose or faulty con- | Replace. |
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| nections. |
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| 2. Make sure the wire feed speed, |
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| voltage, and shielding gas are |
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| correct for the process being |
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| used. |
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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, con- tact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed call 216-