TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
General degradation of the weld | 1.Check for feeding | problems, bad |
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performance |
| connections, excessive | loops in |
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| cabling, etc. |
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| 2. | Verify weld mode is correct for |
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| processes. |
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| 3. The power source may require cal- |
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| ibration. |
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| 4. | Check the actual current displayed |
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| on the Power Feed 10 vs. actual |
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| current | measured | via | external |
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| meter. |
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| 5. | Check the actual voltage dis- |
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| played on the Power Feed 10 vs. |
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| actual voltage measured via exter- |
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| nal meter. |
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| 6. | Check the actual WFS displayed |
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| on the Power Feed 10 vs. actual |
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| WFS | measured | via | external |
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| meter. |
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| If all recommended possible areas | |
Excessively long and erratic arc. | 1. | Check for proper configuration and | |||||
of misadjustments have been | |||||||
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| implementation of voltage sensing | checked and the problem persists, | ||||
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| circuits. |
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| contact your local Lincoln | |
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In the STT mode, the arc is exces- | 1. | Check that the (21) work sense | Authorized Field Service Facility. | ||||
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sively long and erratic. |
| lead is connected, and configured |
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| properly. |
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In the STT mode, the spatter is | 1. | Check that the (21) work sense |
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higher than normal and the arc is |
| lead is connected, and configured |
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inconsistent. |
| properly. (Dip Switch Set) |
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| 2. | Verify that the electrode lead is |
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| connected to the STT stud and |
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| not the “POWER WAVE” stud. |
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| 3 Check that the “POWER WAVE” |
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| stud is not electrically connected |
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| to the STT stud. |
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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.
