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 welder output power or Auxiliary | 1. | Open in miscellaneous leads. |
Power. |
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| 2. | Open lead in flashing or field |
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| circuit. |
| 3. | Faulty rotor. |
| 4. | Faulty Potentiometer (R1). |
| 5. | Faulty stator Field winding. |
| 6. | Faulty Field rectifier (On PCB*). |
| 7. | Faulty P.C. Board. |
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Engine will not idle down to low | 1. | Idler switch on High Idle. |
speed. |
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| 2. | Insufficient voltage present on |
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| idler solenoid terminals. |
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| (Voltage should be 12V to 14V |
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| DC). |
| 3. | External load on welder or |
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| auxiliary power. |
| 4. | Faulty wiring in solenoid circuit. |
| 5. | Faulty idler solenoid. |
| 6. | Faulty P.C. Board. |
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Engine will not go to high idle when | 1. | Poor work lead connection to |
attempting to weld. |
| work. |
| 2. | No voltage signal from the |
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| current sensor. |
| 3. | No open circuit voltage on |
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| output studs. |
| 4. | Faulty P.C. Board. |
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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.
* Printed Circuit Board (PCB)
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® 3 PhASE
