4-3. Troubleshooting
Trouble | Remedy | |
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Electrode wire feeding stops or feeds er- | Readjust hub tension and drive roll pressure. | |
ratically during welding. |
| |
Change to correct size drive roll. | ||
| ||
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| Clean or replace dirty or worn drive roll. | |
|
| |
| Incorrect size or worn wire guides. | |
|
| |
| Replace contact tip or liner. See gun Owner’s Manual. | |
|
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| Remove weld spatter or foreign matter from around gun nozzle opening. | |
|
| |
| Check and secure motor plug connection. | |
|
| |
| Have Factory Authorized Service Agent check drive motor. | |
|
| |
Motor runs slowly. | Reduce load. | |
|
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| Check for correct input voltage. | |
|
| |
Motor runs at full speed regardless of | Have Factory Authorized Service Agent check digital wire drive motor Tachometer board and encoder. | |
wire speed setting. |
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SECTION 5 − ELECTRICAL DIAGRAM
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