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| TROUBLESHOOTING & REPAIR |
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| TROUBLESHOOTING GUIDE | Observe Safety Guidelines | |
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| detailed in the beginning of this manual. | |
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 dam- | 1. | Contact your local authorized |
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age is evident when the sheet |
| Lincoln Electric Field Service |
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metal cover(s) are removed. |
| Facility for technical assis- |
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Machine is dead – no output – no | 1. | Check the main input fuses. If | 1. | If fuse (F1) quickly fails, per- |
fans – no displays. |
| open, replace. |
| form the Auxiliary |
| 2. Make certain that the input |
| Transformer Primary Wiring | |
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| Harness Test. | ||
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| power switch (S1) is in the |
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| “ON” position. | 2. | If fuse (F1) does not fail, per- |
| 3. Check for proper input voltage |
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| Transformer Test #1. | ||
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| – must match the rating on the |
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| machine nameplate. |
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| 4. Make certain the reconnect |
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| panel is configured properly for |
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| the applied voltage. |
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| 5. Check fuse (F1) in the recon- |
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| nect panel. If faulty, replace |
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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 1-
