TROUBLESHOOTING | ||||
Observe all Safety Guidelines detailed throughout this manual | ||||
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PROBLEMS |
| POSSIBLE | RECOMMENDED | |
(SYMPTOMS) |
| CAUSE | COURSE OF ACTION | |
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| OUTPUT PROBLEMS |
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Machine regularly over heats - the- | 1. | Welding application may exceed |
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mostat opens, Yellow light on front |
| recommended duty cycle. Reduce |
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panel glows. The fan runs but |
| the duty cycle. |
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machine has no output. |
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| 2. | Dirt and dust may have clogged |
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| the cooling channels inside the |
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| machine. Blow out unit with clean, |
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| dry low pressure air. |
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| 3. | Air vents and exhaust louvers may |
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| be blocked due to inadequate |
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| clearance around machine. |
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Output current reduced significantly | 1. | Input power to machine doesnʼt |
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when AC Balance control knob is set |
| have sufficient capacity. Try |
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near or at max. penetration or when |
| changing Input power to a suffi- |
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Output control is set near or at full |
| cient supply, refer to Installation |
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output. |
| section. |
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| 2. Machine is powered from an |
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| engine generator or an engine | If all recommended possible areas of | |
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| welder. If welding at high currents | misadjustment have been checked | |
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| are needed, try powering machine | and the problem persists, Contact | |
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| from electricity grid instead of | your local Lincoln Authorized | |
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| engine generator. | Field Service Facility. | |
| 3. | Set AC Balance control at Auto |
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| Balance position. |
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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
