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| TROUBLESHOOTING & REPAIR |
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| TROUBLESHOOTING GUIDE | Observe Safety Guidelines | |
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| detailed in the beginning of this manual. | |
| PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED |
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| (SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION |
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| OUTPUT PROBLEMS |
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| Fans run slow or intermittently – | 1. | Make certain the reconnect | 1. | Perform the Auxiliary |
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| display is very dim – no weld out- |
| panel and fuse (F1) jumper “A” |
| Transformer Test #1. |
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| put. |
| is configured properly for the |
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| input voltage being applied. |
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| Machine has no output – no dis- | 1. | Make sure that not more than | 1. | The circuit breaker (5 amp) |
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| play – fans run – circuit breaker (5 |
| 5 amps of auxiliary power are |
| may be faulty. Test or replace. |
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| amp) repeatedly trips. |
| being drawn. | 2. | Perform the Auxiliary |
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| 2. | Remove the wire feeder control |
| Transformer #1 Secondary |
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| cable from the Power Wave. If |
| and Wiring Harness Test. |
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| the symptom disappears, the |
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| wire feeder or control cable is |
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| faulty. |
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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 1-
