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F-12
TROUBLESHOOTING & REPAIR
F-12
IDEALARC DC-1000
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 the Lincoln Electric
Service Department for technical troubleshooting assistance before you proceed. Call 216-383-2531 or 1-800-833-9353.
WELDING PROBLEMS
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
Poor performance (including arc
outages) while welding at low
current (less than 450 amps)
when connected to 1000 amp (+)
output terminals.
The machine frequently shuts off
while using the 500 amp (+) out-
put terminal (later models only).
1. Change the welding cable(s)
to the 500 amp terminal (later
models only).
1.The output current demand
may be over 500 amps, caus-
ing the choke to overheat.
Change the welding cable(s)
to the 1000 amp output termi-
nals.
1. The choke thermostat may be
faulty - Replace.
CAUTION