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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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| WELDING PROBLEMS |
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Poor arc striking when using semi- | 1. Make sure the correct weld pro- | 1. | Check reed switch CR3 for |
automatic or automatic wire | cedures are being used. |
| proper operation. Switch |
feeders. | (Electrode, Gas, Etc.) |
| should be normally open until |
| 2. Check the welding cables for |
| weld current is established. |
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| loose or faulty connections. | 2. | The start board may be faulty. |
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| Replace. |
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| 3. | The control board may be |
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| 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
IDEALARC
LINCOLN ®
ELECTRIC