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TROUBLESHOOTING AND REPAIR | |||||
Observe Safety Guidelines 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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| OUTPUT PROBLEMS |
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The battery does not stay | The battery may be faulty. | Perform the Engine Alternator | |||
charged. |
| Recharge and test the battery. | Test. |
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| Replace it if necessary. |
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| The engine alternator drive belt |
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| may be loose. Replace and/or |
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| adjust the belt tension. |
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The machine will not idle down | Make sure the idle switch is in | The idle solenoid linkage may be | |||
to low RPM when weld and | the “AUTO IDLE” position. | bent or out of adjustment. Check | |||
auxiliary loads are removed. | Make sure there is no external | that the linkage moves freely and | |||
The machine has normal weld | that the plunger does not bind in | ||||
load on the weld terminals or the | |||||
any way. |
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and auxiliary output. The engine | auxiliary power receptacles. |
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starts and shuts down normally. | Disconnect the weld cables and |
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| unplug anything that may be | Check that the solenoid can |
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| connected to the auxiliary |
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| receptacles. | freely pull in and solidly seat |
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| Check for mechanical restrictions | against its internal stop. |
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| in the idler solenoid linkage. |
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| Perform the Engine RPM |
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| Adjustment Test. |
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| The idle solenoid may have |
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| failed. Disconnect the solenoid | ||
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| leads and check the resistance | ||
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| of the solenoid coil. |
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| For code 10856, the resistance | ||
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| should measure about 8.8 Ohms. | ||
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| For codes 11199 and 11408, the | ||
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| resistance from the black lead to | ||
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| the white lead should measure | ||
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| about 0.4 Ohms. The resistance | ||
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| from the black lead to the red |
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| lead should be about 15 Ohms. | ||
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CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call