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TROUBLESHOOTING & REPAIR | |||||
| Observe all Safety Guidelines detailed throughout 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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Output turns on momentarily, then 1. | Check the input voltages and | 1. Check Local/Remote switch (S3) | |||
switches off and repeats cycle. | reconnection procedures. Make | and associated wiring for loose or | |||
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| sure the input voltage is correct | faulty connections. |
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| for the machine. See Input |
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| Voltage Reconnect Procedure. 2. Check Mode Switch (S2) and |
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| associated wiring for loose or |
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| 2. | Check or replace remote control | faulty connections. |
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| device. (If used) |
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| 3. If the machine is connected for | |
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| 380VAC input or higher, perform | |
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| the Capacitor Balance Test. |
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| 4. The power board may be faulty. | |
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| Replace. |
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| 5. The control board may be faulty. | |
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| Replace. |
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Remote output control not | 1. | Make sure the Local/Remote | 1. | Check the Local/Remote switch |
functioning. The machine operates |
| switch (S3) is in the REMOTE |
| (S3) and the associated wiring. |
normally on LOCAL control. |
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| See wiring diagram. |
| 2. | The remote control device may | 2. | Check for loose or faulty |
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| be faulty. Replace. |
| connections at the remote control |
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| receptacle. |
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
