The preset range is not correct, Troubleshooting & repair, Caution – Lincoln Electric MULTI-WELD SVM151-A User Manual
Page 47
TROUBLESHOOTING GUIDE
Observe Safety Guidelines
detailed in the beginning of this manual.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely,
contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
1-800-833-9353.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
FUNCTION PROBLEMS
The preset amps (CC mode) or
volts (CV mode) are not adjustable.
1. The panel Output Control is dis-
abled when a remote control
device is plugged into the 6-pin
remote receptacle.
1. The Output Control (R1) may be
faulty. Check or replace. Also
check associated leads for
loose or faulty connections.
2. Check all the plug connections
to the Weld Control Board for
loose or faulty connections.
See the Wiring Diagram.
3. The Weld Control Board may be
faulty. Replace.
The preset range is not correct.
1. The panel Output Control is dis-
abled when a remote control
device is plugged into the 6-pin
remote receptacle.
1. Make sure plug P3 is connected
securely to receptacle J3 on the
Weld Control Board. See the
Wiring Diagram. Make certain
all the jumper leads are in place.
2. Check all the plug connections
to the Weld Control Board for
loose or faulty connections.
See the Wiring Diagram.
3. The Weld Control Board may be
faulty. Replace.
F-7
F-7
TROUBLESHOOTING & REPAIR
MULTI-WELD 350