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TROUBLESHOOTING & REPAIR | |||||
Observe Safety Guidelines |
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| TROUBLESHOOTING GUIDE | ||
detailed in the beginning of this manual. |
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PROBLEMS |
| POSSIBLE AREAS OF | RECOMMENDED |
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(SYMPTOMS) |
| MISADJUSTMENT(S) | COURSE OF ACTION |
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| FUNCTION PROBLEMS |
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Will only cut thin gauge material or | The ground lead or clamp is dis- | 1. | Replace or repair, clamp or | ||
cutting cutting is 1/2 of what it | connected. Unit is not transferring |
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should be. Cuts for 3 | seconds | to cut mode. | 2. | Clamp directly to the piece to | |
then quits. |
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| be cut. |
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| 3. | Look for the transfer signal from | |
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| the inverter board to the control | |
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| Board per the enhanced dia- | |
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| gram. |
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| 4. | Possible replacement | of the |
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| inverter board per the signal of | |
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| the enhanced diagram. |
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| 5. | Possible replacement | of the |
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| Control Board per the signal of | |
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| the enhanced diagram. |
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| 6. | Use the correct extension cord. | |
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| See the instruction manual. | |
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When nothing is described for your |
| 1. | Unplug and | ||
problem, or you have performed |
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| printed circuit board | harness | |
your test with no solution. |
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| connectors. |
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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
