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E-3
TROUBLESHOOTING
E-3
SAE-400 SEVERE DUTY
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Welder runs but fails to generate cur-
rent.
Welding arc is loud and spatters
excessively.
1. Generator or exciter brushes may
be loose or missing.
2. Exciter may not be operating.
3. Field circuit of generator or exciter
may be open.
4. Polarity reversing switch may be in
the neutral position.
5. Exciter may have lost excitation.
1. Series field circuit may be open
circuited.
2. Current setting may be too high.
3. Polarity may be wrong.
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.