Lincoln Electric IM657 RED-D-ARC DC-600 - Manual (Page 37)

E-9 TROUBLESHOOTING E-9
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 Authorized
Field Service Facility.
Observe Safety Guidelines
detailed in the beginning of this manual. TROUBLESHOOTING GUIDE
PROBLEMS
(SYMPTOMS)
The weld output terminals are
always electrically "hot".
POSSIBLE AREAS OF
MISADJUSTMENT(S)
1. Remove any external leads
hooked to #2 and #4 on the ter-
minal strip or any connections
to the 14 pin MS connector.
Set OUTPUT TERMINALS
switch to the OFF position. If
the problem disappears the
fault is in the control cable or
wire feeder.
2. If some open circuit voltage is
present (over 3VDC.) after per-
forming Step #1. then the prob-
lem is within the DC600.
RECOMMENDED
COURSE OF ACTION
OUTPUT PROBLEMS
DC-600