
Troubleshooting Table
Symptoms | Cause | Remedy | |
|
|
| |
No wire feed at | Circuit breaker in feeder/ | Reset. | |
control box open. | |||
gun, feeder not |
|
| |
Replace switch. Check | |||
operating, i.e. no | |||
being activated. | switch for operation. | ||
slave motor or | |||
| Check | ||
brake solenoid. | Broken electrical cable. | ||
|
| for continuity. | |
| Circuit breaker in feeder/ | Check motor leads for | |
| control box open. | short. Reset. | |
| Bad potentiometer. | Check potentiometer with | |
| meter. | ||
|
| ||
No wire feed |
| Check motor and | |
at gun, feeder | Broken electrical cable. | potentiometer wires for | |
operating properly. |
| continuity. | |
|
| See specific feeder/ | |
| Bad speed control/PCB. | control box owner's | |
| manual for speed control | ||
|
| ||
|
| operation. | |
| Loose or no cable | Check all power | |
| connections. | connections. | |
Wire feeds, but | Contactor control cable | Check power supply | |
welding wire is not | owner's manual for | ||
loose or in wrong | |||
energized. | location and type of | ||
position. | |||
| contactor signal required. | ||
|
| ||
| Welding power source. | Check power source. | |
| Dirty or worn conduit. | Blow out or replace | |
| conduit. | ||
|
| ||
Wire feeds | Wrong size contact tip. | See contact tip table. | |
erratically. |
| Check for lock washer | |
| Idler roll stuck. | under idler roll, or replace | |
|
| if damaged. | |
| Bad potentiometer. | Check with meter. | |
|
| Check potentiometer | |
Wire feeds one | Broken electrical cable. | wires for continuity or | |
| short. | ||
speed only. |
| ||
| See specific feeder/ | ||
|
| ||
| Bad speed control. | control owner's manual for | |
|
| speed control operation. | |
Wire walks out of | Idler roll | Place groove in idler roll | |
toward top. | |||
drive rolls. |
| ||
Rear wire guide missing. | Replace wire guide. | ||
|
Consult wire feeder and welding power supply owners manuals for further problem solving solutions.
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