Lincoln Electric IDEALARC DC-1000 Service Manual page 46

F-12
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
Poor performance (including arc
outages) while welding at low cur-
rent (less than 450 amps) when
connected to 1000 amp (+) output
terminals.
The machine frequently shuts off
while using the 500 amp (+) output
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 1-888-935-3877.
TROUBLESHOOTING AND REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
WELDING PROBLEMS
1. Change the welding cable(s) to
the 500 amp terminal (later mod-
els only).
1. The output current demand may
be over 500 amps, causing the
choke to overheat. Change the
welding cable(s) to the 1000 amp
output terminals.
CAUTION
IDEALARC
COURSE OF ACTION
1. The choke thermostat may be
faulty - Replace.
® DC-1000
F-12
RECOMMENDED