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TROUBLESHOOTING & REPAIR |
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Observe Safety Guidelines |
| 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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| OUTPUT PROBLEMS |
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No auxiliary power – welding out- | 1. Make sure that the control | 1. Check the auxiliary power | ||
put is normal – engine runs nor- | rheostat (R1) is set at maxi- | receptacles and associated | ||
mally. | mum. | wires for loose or faulty con- | ||
| 2. Check for a loose or faulty plug | nections. |
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| at the power receptacle. | 2. Check the continuity (zero | ||
| 3. If the machine is equipped with | ohms) of leads #3, #5, and #6 | ||
| from | the receptacles | to the | |
| circuit breakers, check and | |||
| main | stator windings. | See | |
| reset if tripped. | |||
| Wiring Diagram. |
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| 3. Make sure lead #5 is grounded | ||
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| to the machine frame (zero | ||
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| ohms). |
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| 4. Perform the Main | Stator | |
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| Winding Test. |
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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
