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 auxiliary power. | 1. Open circuit breakers. Reset |
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| breakers. If breakers keep tripping |
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| reduce power draw. |
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| 2. GFCI may have tripped. Follow |
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| “GFCI Testing and Resetting |
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| Procedure” in the MAINTENANCE |
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| section of this manual. |
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| 3. Faulty connections to auxiliary |
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| receptacles. Check connections. |
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| 4. Faulty PC board or welder alterna- |
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| tor. |
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The welding arc is “cold.” The weld- | 1. Make sure the MODE selector |
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ing arc is not stable or is not satis- | switch is in the correct position for |
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the process being used. (For exam- |
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factory. the engine runs normally. |
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ple, |
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The auxiliary power is normal. |
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2. Make sure the electrode (wire, gas, |
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| voltage, current etc.) is correct for | If all recommended possible areas of |
| the process being used. | misadjustment have been checked |
| 3. Check for loose or faulty connec- | |
| and the problem persists, Contact | |
| tions at the weld output terminals | your local Lincoln Authorized |
| and welding cable connections. | Field Service Facility. |
| 4. The welding cables may be too long | |
| or coiled, causing an excessive |
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| voltage drop. |
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| 5. Faulty Control Board. |
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No output in Pipe Mode. | 1. Make sure VRD ON/OFF toggle |
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switch is in the “OFF” position. |
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| 2. Poor work lead connection to |
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| work. Make sure work clamp is |
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| tightly connected to clean base |
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| metal. |
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| 3. "Weld Terminals" switch in wrong |
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| position. Place switch in "Weld |
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| Terminals On" position when |
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| welding without control cable. |
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| 4. Faulty PC board or welder alterna- |
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| tor. |
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VRD Lights don’t light up. | 1. Ensure VRD ON/OFF switch is in |
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the “ON” position. |
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| 2. If light is burned out, replace both |
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| VRD lights. |
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| 3. Faulty OCV indicator PC board. |
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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.