TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
No welding power output. | 1. Poor work lead connection to | |
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| work. |
| 2. | "Weld Terminals" switch in |
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| wrong position. |
| 3. | Faulty PC board or welder alter- |
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| nator. |
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Welder has output but no control. | 1. Poor remote / control cable con- | |
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| nection to 6 pin or 14 pin |
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| Amphenol connector. |
| 2. | Faulty remote cable or faulty |
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| wire feeder or wire feeder cable. |
| 3. | Faulty control potentiometer or |
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| PC board. |
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Wire feeder does not work when | 1. Wire Feeder Power circuit | |
control cable is connected to 14 pin |
| breaker open. |
Connector. |
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| 2. | Faulty control cable. |
| 3. | Faulty wire feeder. |
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No auxiliary power. | 1. Open circuit breakers. | |
| 2. | Faulty connections to auxiliary |
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| receptacles. |
| 3. | GFCI tripped (if installed). |
| 4. | Brushes worn or not on contact |
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| with slip rings. |
| 5. | Rotor winding not receiving |
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| flashing current from PC board. |
| 6. | Rotor winding open. |
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If all recommended possible areas of misadjustment have been checked and the problem persists,
Contact your local Lincoln Authorized Field Service Facility.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
RANGER® 250
