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| TROUBLESHOOTING & REPAIR | |
| TROUBLESHOOTING GUIDE | Observe Safety Guidelines |
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| detailed in the beginning of this manual. |
PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED | |
(SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION | |
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| OUTPUT PROBLEMS |
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The machine is dead – no output – | 1. Check the | 1. Perform the Input Contactor | |
no fan – the pilot light is lit. | voltage at the machine. Input | Test. |
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| voltage must match the rating | 2. Check the associated leads, for | |
| plate and the reconnect panel. | ||
| loose or | faulty connections, | |
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| 2. Check for blown or missing | between | the input contactor |
| fuses in the input lines. | (CR1), the reconnect panel and | |
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| the main | transformer. See |
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| Wiring Diagram. | |
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| 3. Perform the Main Transformer | |
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| Test. |
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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
IDEALARC
LINCOLN ®
ELECTRIC