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Return to Section TOC
Return to Section TOC
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TROUBLESHOOTING & REPAIR | |||||||
| Observe all Safety Guidelines detailed throughout this manual |
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| PROBLEMS |
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| POSSIBLE AREAS OF |
| RECOMMENDED |
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| (SYMPTOMS) |
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| MISADJUSTMENTS(S) |
| COURSE OF ACTION | |
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| MODE FUNCTION PROBLEMS |
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The speed and voltage controls do |
| 1. | Check lights 1A and 1B located | 1. | If lights 1A and /or 1B are OFF | ||
not function. All of the mode lights |
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| perform the DC Power Supply | ||
function properly. |
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| both be ON. |
| Test. |
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| 2. | If both lights 1A and 1B are ON | 2. | Perform the T1 and T2 |
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| the control board may be faulty. |
| Transformer Test. |
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| Replace. |
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| 3. The power board may be faulty. | ||
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| Replace. |
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All the mode lights function properly. |
| 1. | The control board may be faulty. |
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None of the speed controls operate |
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| Replace. |
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properly. |
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All the mode lights function properly. |
| 1. | The voltage board may be faulty. |
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None of the voltage controls operate |
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| Replace. |
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properly. |
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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 the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call
