Lincoln Electric IDEALARC DC 1000 SVM123-A Service Manual page 52

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Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
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).
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.
TROUBLESHOOTING & REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
WELDING PROBLEMS
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.
CAUTION
IDEALARC DC-1000
RECOMMENDED
COURSE OF ACTION
1. The choke thermostat may be
faulty - Replace.
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