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TROUBLESHOOTING & REPAIR | |||||
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POWER FEED 10M |
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| Observe Safety Guidelines 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 (Continued) |
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| The ammeter on the Control Box | 1. Make sure the DIP switches are | 1. Perform the Current |
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| does not function properly even | configured correctly for the | Transducer Test. Power Wave | ||
| though the STATUS LEDs are | welding process and polarity | 455 Service Manual. |
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| steady green. |
| used. See Setting DIP |
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| Switches in the Wire Drive in | 2. The control board, located in the | |
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| the Installation section of this | power source, may be faulty. |
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| manual. |
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| 2. Check the following connections |
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| on the Power Wave 455 |
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| machine. Check for loose or |
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| faulty connections between plug |
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| J90 at the current transducer |
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| and plug J21 on the Power |
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| Wave 455 control board. |
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| The display and/or indicator LEDs | 1. Check for loose or faulty con- | 1. Check suspected potentiometer | ||
| do not change when their corre- | nections between the encoder | and/or switches for correct |
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| sponding switches and or knobs | panel and the Control Box con- | resistances and operation. |
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| are activated or turned. |
| trol board. |
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| 2. Refer to machine schematics for | |
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| 2. Check for loose or faulty con- | lead numbers and voltages. |
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| nections between the appropri- |
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| ate switches and the Control | 3. The Control Box control board |
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| Box control board. | may be faulty. |
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| The mode and/or settings change | 1. Contact the Lincoln Electric ser- |
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| while welding under normal condi- | vice dept. for possible software |
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| tions. |
| updates. (Please ref. your cur- |
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| rent software number.) |
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| The feeder resets when the gun | 1. The auxiliary reconnect (Lead | 1. Perform the Power Board Test. | ||
| trigger is activated. The LEDs blink | “A”) may not be configured cor- | Powerwave service manual. |
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| and the displays are intermittent. | rectly. See Figure A.2. in the |
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| installation Section of this manu- | 2. Perform the Auxiliary |
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| al. | Transformer Test #1. |
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| Powerwave Service Manual. |
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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, con- tact the Lincoln Electric Service Department at
