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
Engine goes to low idle but does not 1. Faulty Peripheral PCB, Pull
stay at low idle.Coil/Battery PCB or Weld Control PCB.
No welding output or auxiliary output. 1. | Broken lead in rotor circuit. |
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| 2. | Faulty field diode module. |
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| 3. | Faulty Weld Control PCB. |
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| 4. | Faulty rotor. |
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Welder has some/ no output and no 1. | Faulty remote kit. |
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control. Auxiliary output OK | 2. | Faulty output control potentiome- |
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| ter. |
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| 3. | Faulty output control wiring. |
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| 4. | Faulty Weld Control PCB, Pull |
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| Coil/Battery PCB or Chopper PCB. |
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No welding output. Auxiliary output 1. | WELDING TERMINALS switch in |
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OK. |
| wrong position, be sure switch is |
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| in WELDING TERMINALS |
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| ALWAYS ON position. |
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| 2. | Faulty Weld Control PCB, Pull |
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| Coil/Battery PCB or Chopper PCB. |
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| If all recommended possible | areas |
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No auxiliary power. | 1. | RCD may have tripped. | of misadjustment have | been |
| 2. | Open breakers may need to be checked and the problem persists, | ||
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| reset. | Contact your local Lincoln | |
| 3. | Faulty receptacle. | Authorized Field Service Facility. | |
| 4. | Faulty auxiliary circuit wiring. |
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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 your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
AIR VANTAGE® 500 CUMMINS