| TROUBLESHOOTING | ||
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| PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED |
| (SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION |
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FUNCTION PROBLEMS
Battery does not stay charged. | 1. | Faulty battery . |
| 2. | Faulty engine alternator. |
| 3. | Loose or broken lead in charging circuit. |
| 4. | Loose fan belt may need tightening. |
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Engine will not idle down to low | 1. | Idler switch in HIGH idle position, make |
speed. |
| sure switch is set to AUTO. |
| 2. | External load on welder or auxiliary |
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| power. |
| 3. | Mechanical problem in idler solenoid |
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| linkage. |
| 4. | Faulty wiring in solenoid circuit. |
| 5. | No or low voltage @ idle solenoid |
| 6. | Faulty idler solenoid. |
| 7. | Faulty, Weld Control PCB, Pull Coil |
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| /Battery PCB |
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Engine will not go to high idle when | 1. | Poor work lead connection to work. |
attempting to weld. | 2. | Broken idler solenoid spring. |
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| 3. | Welding Terminals switch in wrong |
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| position. |
| 4. | No open circuit voltage at output studs. |
| 5. | Faulty, Pull Coil/Battery PCB or Weld |
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| Control PCB. |
Engine will not go to high idle when using | 1. | Broken wire in auxiliary current sensor |
auxiliary power. |
| wiring. |
| 2. | Auxiliary power load is less than 100 |
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| watts. |
| 3. | Faulty Pull Coil/Battery PCB or Weld |
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| Control PCB. |
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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.
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Vantage 500 CUMMINS