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TROUBLESHOOTING & REPAIR | ||||||
TROUBLESHOOTING GUIDE |
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| Observe Safety Guidelines | ||
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| detailed in the beginning of this manual. | ||
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PROBLEMS |
| POSSIBLE AREAS OF |
| RECOMMENDED |
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(SYMPTOMS) |
| MISADJUSTMENT(S) |
| COURSE OF ACTION |
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| FEEDING PROBLEMS |
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The wire feed motor runs very fast | 1. Make sure the | 1. Perform the Wire Drive Motor | ||||
and there is no control. |
| ing in the CV mode. |
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| Test. |
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| 2. Make sure the wire speed con- | 2. Perform the Hall Effect Module | |||
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| trol and procedure | switch | are | ||
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| Test. |
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| operating correctly. | See | the |
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| wiring diagram |
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| 3. The Control Board may be faulty. | |
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| Replace. |
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The wire feed speed varies during | 1. The drive rolls may be slipping | 1. Perform the Wire Drive Motor | |
welding but the meter reading | causing feeding problems. | Test. | |
remains constant. | 2. The | in the |
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| 2. Perform the Hall Effect Module | ||
| Constant Current mode. | Verify | |
| Test. | ||
| on | ||
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| set for Constant Voltage weld- |
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3.Reduce the spindle brake resis- tance.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con- tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
