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TROUBLESHOOTING & REPAIR |
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Observe Safety Guidelines |
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| TROUBLESHOOTING GUIDE | ||
detailed in the beginning of this manual. |
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PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED | |||
(SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION | |||
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| OUTPUT PROBLEMS |
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Major physical or electrical damage | Contact | your local authorized | Contact the Lincoln Electric Service | ||
is evident when the sheet metal | Lincoln | Electric Field Service | Department at | ||
covers are removed. | Facility for technical assistance. | (WELD). | |||
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The input fuses repeatedly fail or | 1. Make certain the fuses or break- | 1. Check the reconnect switches | |||
the input circuit breakers keep trip- | ers are properly sized. |
| and associated wiring. See the | ||
ping. | 2. Make certain the reconnect |
| Wiring Diagram. | ||
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| panel is configured properly for | 2. Perform the Input Rectifier | |||
| the applied voltage. |
| Test. | ||
| 3. The welding procedure may be | 3. | Perform the Switch Board Test. | ||
| drawing too much input current | 4. | Perform the Input Contactor | ||
| or the duty cycle may be too | ||||
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| high. Reduce the welding cur- |
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| rent and /or reduce the duty |
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| cycle. |
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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, contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
