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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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| ENGINE PROBLEMS |
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Engine will not go to high idle when | 1. Make sure the welding cables | 1. Make sure the #W1 lead is | |||
attempting to weld. Welding output | and connections are tight. | looped through | the | current | |
is normal when the idler control |
| transformer. | See | Wiring | |
switch is in the “HIGH” position. |
| Diagram. |
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Automatic idle function works |
| 2. Check for loose or faulty con- | |||
properly when the auxiliary power |
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| nections on the heavy current | ||||
is loaded. |
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| carrying leads connected to the | ||||
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| output terminals, the choke (L1) | |||
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| and the output rectifier bridge | |||
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| (D2). |
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Engine will not go to high idle when | 1. Make sure that the auxiliary | 1. Make sure that leads #3A and | |||
using the auxiliary power. Auxiliary | load is more than 100 watts. | #6A are looped through the cur- | |||
power output is normal when the | 2. Check for loose or faulty con- | rent transformer | in the | proper | |
idler control switch is in the “HIGH” | direction. See Wiring Diagram. | ||||
nections at the auxiliary output | |||||
position. Automatic idle function |
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receptacles. |
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works properly when the welding |
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output is loaded. |
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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
WELDANPOWER 125
