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OUTPUT PROBLEMS
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
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.
CAUTION
Machine regularly over heats -
thermostat opens. Yellow light on
front panel glows. The fan runs
but the machine has no output.
Machine regularly over heats - ther-
mostat opens. Yellow light on front
panel glows. The fan runs but the
machine has no output.
1. The thermostat(s) may be
faulty. Check or replace.
2. The control board may be
faulty.
The machine does not have output
in the Stick mode. The machine
operates correctly in the TIG mode.
The machine does not have output
in the Stick mode. The machine
operates correctly in the TIG mode.
1. Check the Stick/TIG switch(S3)
and associated leads. See
wiring diagram.
2. The control board may be
faulty.
TROUBLESHOOTING AND REPAIR
F-6 F-6
PRECISION TIG® 225
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