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TROUBLESHOOTING & REPAIR | ||||||
| Observe all Safety Guidelines detailed throughout this manual |
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| PROBLEMS |
| POSSIBLE AREAS OF |
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| (SYMPTOMS) |
| MISADJUSTMENTS(S) |
| COURSE OF ACTION | |
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| FUNCTION PROBLEMS |
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The circuit breaker trips when the | 1. | The power board may be faulty. | 1. | Perform the Wire Drive Motor | ||
inch up, inch down, or start buttons |
| Replace. |
| Test. |
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are pressed. |
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| 2. Perform the DC Power Supply | ||
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| Test. |
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The circuit breaker trips and or the | 1. | Contact your Local Lincoln | 1. | If fuse F101 or the circuit breaker- | ||
fuse (F101) blows when the |
| Authorized Field Service Facility. |
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turned on. (input power applied). |
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| power is applied, | unplug all of | |
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| the PC boards except the power | |
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| board. If the fuse still fails the | |
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| power board may be faulty. If | |
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| the fuse does not fail reconnect | |
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| the PC boards one at a time until | |
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| the faulty board is located. Also | |
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| check and inspect the wiring har- | |
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| ness for “short” or “grounds”. | |
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| Reconnect the PC boards in the | |
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| following order: control, | |
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| voltage,logic,procedure,option- | |
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| timer, remote interface,speedme- | |
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| ter and voltmeter. |
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| NOTE: Some of the above PC | |
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| boards are optional and may not | |
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| be used in all | |
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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
