Lincoln Electric POWER WAVE C300 Service Manual page 27

F-8
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
The welding starting is poor.
The end of the weld is not
acceptable.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely,
contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed.
Call 1-888-935-3877.
TROUBLESHOOTING AND REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
WELDING PROBLEMS
Make sure the driver roll
tension on the wire feeder is
adjusted correctly. Also the
welding wire should travel
freely through wire feeding
path. Check the welding tip
for blockage.
Make sure the shielding gas
flow is correct.
Adjust Run-In Speed.
Make sure all of the settings
for Burnback and Crater states
are set correctly for the
welding process being used.
Verify that the Burnback has a
value other than 0.
Make sure the shielding gas
flow is adequate.
CAUTION
POWER WAVE® C300
RECOMMENDED
COURSE OF ACTION
Perform the Wire Drive
Motor Test.
N/A
F-8