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| TROUBLESHOOTING & REPAIR | |
| TROUBLESHOOTING GUIDE | Observe Safety Guidelines |
|
| detailed in the beginning of this manual. |
PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED |
(SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION |
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|
|
| ENGINE PROBLEMS |
|
Engine will NOT idle down to low | 1. Make sure the idler control | 1. With the idler control switch in |
speed. | switch is in the “AUTO” idle | the “AUTO” position and all |
| position. | external loads removed, check |
| 2. Remove any external load on | for 12VDC at leads #208 and |
| #209. See Wiring Diagram. If | |
| the welder terminals or auxiliary | |
| the 12VDC is present and the | |
| power receptacles. | |
| idler solenoid does not activate, | |
|
| |
|
| the solenoid may be faulty. |
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| Replace. |
|
| 2. If the 12VDC is NOT present at |
|
| leads #208 and #209, perform |
|
| the Main Stator Winding Test. |
|
| 3. Check leads #15A (at stator) to |
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| #16 (at idler P.C. board) for con- |
|
| tinuity (zero ohms). Check |
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| leads #9A (at stator) to #9B (at |
|
| idler P.C. board) for continuity |
|
| (zero ohms). See Wiring |
|
| Diagram. |
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| 4. The idler P.C. board may be |
|
| faulty. Replace. |
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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
