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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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| OUTPUT PROBLEMS |
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Major Physical or Electrical |
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| Contact | The | Lincoln |
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Damage is Evident |
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| Electric | Service | Dept. |
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No LEDs light when the | 1. | Make sure input voltage | 1. Make sure ON/OFF Power | |||||
ON/OFF Power Switch | is |
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| corresponds to | machine | Switch (S1) is operating | ||
turned "ON". Machine is dead. |
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| nameplate voltage. |
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Fan is not running. |
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| 2. | Make sure the reconnect | 2. Check the main transformer | ||||
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| panel is configured properly | primary leads to the re- | |||
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| for the input voltage being | connect panel | for loose or | ||
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| applied to the | faulty connections. | |||
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| (Single Phase). |
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| Check the input line fuses. | 3. Check the leads from the | |||
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| ON/OFF Power Switch (S1) | |||||
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| Replace if blown. |
| to the reconnect panel (T1 | ||
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| and T2) for loose or faulty | |
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| connections. |
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| 4. Perform Main | Transformer |
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| Test. The main transformer | |
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| could be faulty. Check for | |
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| an open or | grounded |
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| primary winding. | |
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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
