Lincoln Electric POWER MIG 256 Operator's Manual page 29

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Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
Poor arc striking with electrode
sticking or blasting off.
Rough wire feeding or wire will not
feed but drive rolls are turning.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
LOCAL AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.
TROUBLESHOOTING
POSSIBLE
CAUSE
OUTPUT PROBLEMS
1. Make sure settings for wire feed
speed and voltage are correct
for process being used.
2. The gas shielding may be
improper for process being used.
3. Check input line voltage to be
within machineʼs recommended
rating range.
4. Check that the machine recon-
nect panel is configured properly
for the applied voltage.
FEEDING PROBLEMS
1. The gun cable may be kinked or twisted.
2. The wire may be jammed in the gun
cable, or gun cable may be dirty.
3. Check drive roll tension and
position of grooves.
4. Check for worn or loose drive rolls.
5. The electrode may be rusty or dirty.
6. Check for damaged or incorrect
contact tip.
7. Check wire spindle for ease of
rotation and adjust break ten-
sion knob if necessary.
8. Check that the gun is pushed all
the way into gun mount and
properly seated.
CAUTION
POWER MIG ® 256
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.
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