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TROUBLESHOOTING & REPAIR
Observe Safety Guidelines |
| TROUBLESHOOTING GUIDE | ||
detailed in the beginning of this manual. |
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PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED |
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(SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION | ||
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| WELDING PROBLEMS |
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The welding arc is “cold.” The | 1. Check for loose or faulty con- | 1. Check for the correct open cir- | ||
engine runs normally (3700 RPM, | nections at the weld output | cuit voltage (OCV) at the welder | ||
no load). Auxiliary power is func- | terminals and welding cable | output terminals – 62 VAC is | ||
tioning normally. | connections. | normal. |
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| 2. The welding cable may be too | If the correct voltage is present | ||
| long or coiled, causing an | at the output terminals, check | ||
| excessive voltage drop. | for loose connections on the | ||
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| heavy | ||
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| inside the | ||
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| See the Wiring Diagram. | ||
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| 2. If the OCV is low at the welder | ||
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| output | terminals, | perform |
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| Engine | Throttle Adjustment | |
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| Test. |
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| 3. Check for shorted or grounded | ||
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| windings in the reactor (L1) and | ||
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| also in | the main | stator. |
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| See the Wiring Diagram. | ||
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CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con- tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
