Lincoln Electric IDEALARC CV-300 Service Manual page 48

F-9
TROUBLESHOOTING GUIDE - Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
The welding arc is variable and
sluggish.
The arc striking is poor.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con-
tact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed call
216-383-2531 or 1-888-935-3877
TROUBLESHOOTING & REPAIR
POSSIBLE AREAS OF
MISADJUSTMENTS(S)
WELDING PROBLEMS
1. Check the welding cable con-
nections for loose or faulty con-
nections.
2. Make sure the wire feed speed,
voltage, and shielding gas are
correct for the process being
used.
1. Check the welding cable con-
nections for loose or faulty con-
nections.
2. Make sure the wire feed speed,
voltage, and shielding gas are
correct for the process being
used.
CAUTION
IDEALARC CV-300
RECOMMENDED
COURSE OF ACTION
1. Perform the Output Rectifier
Bridge Test.
2. The control board may be
faulty. Replace.
1. The control board may be
faulty. Replace.
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