| TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual | ||
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| PROBLEMS | POSSIBLE CAUSE | RECOMMENDED |
| (SYMPTOMS) | COURSE OF ACTION | |
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| FUNCTION PROBLEMS |
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Welding current too great or too | “Current Control” shaft and handle | With current control against the min- | |
small compared to indication on the | may have turned slightly in the insu- | imum stop, set pointer to within 1/8” | |
dial. | lated bushing of the current control | of the last scale division. | |
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| brushholder, caused by turning han- |
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| dle too hard against one of the |
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| stops. |
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| Exciter output low causing low out- | Check for shorts in exciter armature |
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| put compared to dial indication. | with growler. |
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| “Current Control” set to minimum | Check to see that series field is |
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| and welder output so great that | properly connected and not shorted. |
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| engine stalls when arc is struck. |
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Welder has output and no control | Local/Remote switch is in wrong | Place switch in “LOCAL” position to |
| position. | control output at the welder. Place |
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| switch in “REMOTE” position to con- |
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| trol output remotely. |
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.
SAE400 & SAE400 WELD’N AIR