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TROUBLESHOOTING & REPAIR |
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Observe Safety Guidelines |
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| TROUBLESHOOTING GUIDE | |
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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| ENGINE PROBLEMS |
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The engine shuts down shortly after | 1. | Check for adequate fuel supply. | 1. Check the Run/Stop switch and |
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starting. | 2. | If any indicator light is lit when | associated leads for loose or |
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| faulty connections. |
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| the engine shuts down, that par- |
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| ticular system has faulted. | 2. Perform the Fuel Shutdown |
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| Check system. | Solenoid Test. |
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| 3. Check the battery cables for | 3. The engine protection board |
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| loose or faulty connections. | may be faulty. With the Run/ |
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| Stop switch in the “Run” posi- | |
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| tion, the protection board should | |
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| normally supply 10VDC to the | |
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| shutdown solenoid via leads | |
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| #224 and #262. See the Wiring | |
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| Diagram. | |
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The engine will not idle down to low | 1. | Make sure the idler switch is in | 1. Perform the Idler Solenoid | |
speed. The machine has normal |
| the “Auto” position. | Test. | |
weld output and auxiliary power. | 2. Make sure there is NOT an | 2. The engine protection board | ||
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| external load on the weld termi- | may be faulty. | |
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| nals nor the auxiliary power |
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| receptacles. |
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| 3. Check for mechanical restric- |
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| tions in the solenoid linkage. |
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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, contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
