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TROUBLESHOOTING & REPAIR |
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TROUBLESHOOTING GUIDE |
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| Observe Safety Guidelines | |||
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| 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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The preset amps (CC mode) or | 1. | The panel Output Control is dis- | 1. | The Output Control (R1) may be | |||
volts (CV mode) are not adjustable. |
| abled when a remote control |
| faulty. | Check or replace. | Also | |
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| device is plugged into the |
| check | associated leads | for | |
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| remote receptacle. |
| loose or faulty connections. |
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| 2. | Check all the plug connections | |||
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| to the Weld Control Board for | |||
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| loose | or faulty connections. | ||
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| See the Wiring Diagram. |
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| 3. | The Weld Control Board may be | |||
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| faulty. Replace. |
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The preset range is not correct. | 1. | The panel Output Control is dis- | 1. | Make sure plug P3 is connected | |||
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| abled when a remote control |
| securely to receptacle J3 on the | |||
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| device is plugged into the |
| Weld Control Board. See the | |||
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| remote receptacle. |
| Wiring Diagram. Make certain | |||
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| all the jumper leads are in place. | |||
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| 2. | Check all the plug connections | |||
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| to the Weld Control Board for | |||
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| loose | or faulty connections. | ||
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| See the Wiring Diagram. |
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| 3. | The Weld 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, contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
