Section E
Troubleshooting
Trouble | Cause | Remedy | |
No wire feed at gun, | 115/42 VAC Control fuse in | Replace fuse. | |
feeder/Control box blown. |
| ||
feeder not operating, | Replace switch. Check | ||
i.e. no slave motor | being activated. | switch for operation. | |
or brake solenoid. | Broken electrical cable. | Check | |
|
| wires for continuity. | |
| 24 VAC Control fuse in | Check motor leads for | |
| feeder/Control box blown. | shorts; then replace | |
|
| fuse. | |
| Bad potentiometer. | Check potentiometer | |
| with meter. | ||
No wire feed at gun, |
| ||
| Check motor and | ||
feeder operating |
| ||
Broken Electrical Cable. | potentiometer wires for | ||
properly. | |||
| continuity. | ||
|
| ||
|
| See specific cabinet/ | |
| Bad Speed control/PCB | control box owners | |
| manual for speed | ||
|
| ||
|
| control operation. | |
| Loose or no cable | Check all power | |
| connections. | connections. | |
Wire feeds, but |
| Check power supply | |
| owners manual for | ||
welding wire is not | Contactor control cable | ||
location and type | |||
energized. | loose or in wrong position. | ||
of 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 | |
| Broken electrical cable. | wires for continuity or | |
Wire feeds one |
| short. | |
speed only. |
| See specific cabinet/ | |
| Bad speed control. | control owners 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. | ||
|
Python® Lincoln Compatible™ Owner's Manual - Page 7