Troubleshooting & repair, Caution – Lincoln Electric IDEALARC DC-655 User Manual
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TROUBLESHOOTING & REPAIR
F-7
F-7
IDEALARC DC-655
Observe Safety Guidelines
TROUBLESHOOTING GUIDE
detailed in the beginning of this manual.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con-
tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
1-800-833-9353.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
OUTPUT PROBLEMS
The 115 VAC receptacle is not
working. The machine’s welding
output is normal.
1. The circuit breaker may be
tripped. Reset if necessary.
2. Make sure the 115 VAC plug
and “load” is in good working
condition.
1. The circuit breaker may be
defective. Check associated
wiring. See the Wiring Diagram.
2. Check for 115 VAC at terminals
#31 and #32 on the terminal
strip. If 115 VAC is present at
the terminal strip, check the
wiring between the terminal
stirp, the circuit breaker and the
115 VAC receptacle. If 115 VAC
is NOT present at the terminal
strip, perform the Main
Transformer Test.
3.
The 115 VAC receptacle may
be defective.
When not welding for a period of
time, the machine shuts down.
1. This may be a normal condition.