B. Gun Trouble
Trouble | Remedy |
|
|
No weld output; gun/feeder does not | Secure 115 VAC input plug in 115 volts ac receptacle (see Section |
work. |
|
|
|
| Place Power switch on welding power source in the On position. |
|
|
Erratic weld output. | Tighten and clean all connections. |
|
|
Pressing gun/feeder trigger does not en- | Secure plug from gun control cable into |
ergize weld control; welding wire is not |
|
energized; shielding gas does not flow. |
|
|
|
Wire does not feed; burnback in contact | Reinstall current |
tip. |
|
|
|
Wire feeds, shielding gas flows, but | Clean or replace drive rolls. See Troubleshooting section in welding power source Owner’s Manual (see |
welding wire is not energized. | Sections |
|
|
Wire feeds erratically. | Check and correct drive roll pressure (see Section |
|
|
| Clean drive roll or replace drive roll (see Sections |
|
|
Gun overheating | Be sure coolant flowrate is at least 1 qt/min (0.95 L/min). |
models). |
|
|
|
| Corrosion buildup in gun decreasing coolant flowrate. Backflush coolant system, clean coolant system |
| filter, and clean fittings (see Section |
|
|