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E-4
TROUBLESHOOTING
IDEALARC SP-255
PROBLEMS
(SYMPTOMS)
The welding arc is unstable or
“hunting”.
POSSIBLE AREAS OF
MISADJUSTMENT(S)
1. Check the work cable for loose
or faulty connections.
2. Check the contact tip and
replace if worn or damaged.
3. Make sure the welding polarity is
correct for the process being
used.
4. Make sure the shielding gas is
correct for the process being
used.
5. The gun and cable assembly
may be faulty. Replace.
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.
OUTPUT PROBLEMS
Observe Safety Guidelines
detailed in the beginning of this manual.
TROUBLESHOOTING GUIDE