Lincoln Electric IM669 RED-D-ARC DC-600 - Manual (Page 32)

DC-600 RED-D-ARC
E-4 TROUBLESHOOTING E-4
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Field Service
Facility.
PROBLEMS
(SYMPTOMS)
Machine input contactor operates
but machine has no weld output.
Fan runs and pilot light glows.
Machine has maximum weld out-
put and no control.
POSSIBLE
CAUSE
1. Place OUTPUT TERMINAL Switch
to “ON”, or install a jumper from #2
to #4 on machine terminal strip. If
machine weld output is restored
the problem is in the wire feeder or
control cable.
2. If remote control is not being used
make certain the LOCAL/REMOTE
SWITCH (SW3) is in the "Local"
position.
3. Check 42V Circuit Breaker in the
front panel.Reset if necessary.
4. Check for loose or faulty weld
cable connections.
5. Trigger circuit not working.
1. LOCAL/REMOTE Switch (S3) in
wrong position.
2. LOCAL/REMOTE Switch (S3) is
faulty, or an open lead going to the
LOCAL/REMOTE Switch (S3).
RECOMMENDED
COURSE OF ACTION
OUTPUT PROBLEMS
Observe all Safety Guidelines detailed throughout this manual