Troubleshooting - HERKULES 15.749.91 Operating Instructions Manual

Anleitung_HSG_190_SPK7:_
GB

9. 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
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Cause
Power supply not connected
Wire feed controller set to 0
Incorrect roller pressure (see 5.4.3)
Roller brake set too firmly (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)
Remedy
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 filling pressure
of the gas bottle