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TROUBLESHOOTING AND REPAIR | ||||
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 |
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The ammeter on the POWER | 1. Make sure the DIP switches are | 1. Perform the Current Transducer | ||
FEED® 25M does not function | configured correctly for the weld- | Test in the Power Source |
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properly even though the STATUS | ing process and polarity used. | Service Manual. |
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LEDs are steady green. |
| See Setting DIP Switches in |
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| the Wire Drive in the | 2. The control board, located in the | |
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| Installation section of this manu- | power source, may be faulty. |
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| al. |
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| 2. Check the following connections |
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| on the POWER WAVE® |
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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 and |
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| plug J21 on the Power Source |
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| control board. |
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The display and/or indicator LEDs | 1. Check for loose or faulty connec- | 1. Check suspected potentiometer | ||
do not change when their corre- | tions between the encoder panel | and/or switches for correct resis- | ||
sponding switches and or knobs | and the Control Box control | tances and operation. |
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are activated or turned. |
| board. | 2. Refer to machine schematics for | |
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| 2. Check for loose or faulty connec- | lead numbers and voltages. |
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| tions between the appropriate |
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| switches and the Control Box | 3. The Control Box control board |
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| control board. | may be faulty. |
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The mode and/or settings change | 1. Contact “powerwave software.com” |
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while welding under normal condi- | for the latest updated software. |
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tions. |
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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
