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TROUBLESHOOTING & REPAIR
Observe Safety Guidelines |
| TROUBLESHOOTING GUIDE |
detailed in the beginning of this manual. |
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PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED |
(SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION |
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| OUTPUT PROBLEMS |
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No auxiliary power - welding output | 1. Check circuit breakers CB1 and | 1. Check the auxiliary power re- |
is normal - engine runs normally. | CB2. Reset if tripped. | ceptacles ands associated wires |
| 2. Make sure that the control rheo- | for loose or faulty connections. |
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| |
| stat (R1) is set at “GENERA- | 2. Check the continuity (zero |
| TOR” (maximum). | ohms) of leads 3, 3A (black); 6, |
| 3. Check for loose or faulty plug at | 6A (yellow); and 5 (white) from |
| the receptacles to the stator | |
| power receptacle. | |
| windings. See the Wiring Dia- | |
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| gram. |
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| 3. Make sure lead 5 (white) is |
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| grounded to the machine frame |
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| (zero ohms). |
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| 4. Check for an open or grounded |
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| auxiliary winding in the stator, 6 |
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| (yellow) to 3 (black). See the |
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| Wiring Diagram. |
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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
