11. Troubleshooting
Fault
Feed roller does
not turn
Feed roller turns,
but does not feed
any wire
After a lengthy
period of use the
welding set does
not work any longer,
the thermostat (3)
control light is lit
Very poor weld
Cause
- Power supply not connected
- Wire feed controller set to 0
- Incorrect roller pressure (see 5.4.3)
- Roller brake set too fi rmly (see
5.4.3)
- Dirty / damaged feed roller (see
5.4.3)
- Damaged hose package
- Contact tube wrong size / dirty /
worn (see 5.4.3)
- Welding wire welded to the gas
nozzle / contact tube
- The welding set has overheated
due to being used for too long and
a failure to observe the reset time
- Incorrect current / feed setting (see
6.1.1/6.1.2)
- No / too little gas (see 6.1.3)
GB
- Check connection
- Check setting
- Check setting
- Check setting
- Clean or replace
- Check the wire guide jacket
- Clean or replace
- Release
- Leave the set to cool down for at
least 20 – 30 minutes
- Check setting
- Check setting and fi lling pressure of
the gas bottle
- 32 -
Remedy