Lincoln Electric MULTI-WELD SVM151-A Service Manual page 52

F-12
Observe Safety Guidelines
detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
The arc starting is not satisfactory.
When stick welding the electrode
"stubs".
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.
TROUBLESHOOTING & REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
WELDING PROBLEMS
1. The Hot Start Control may not
be set correctly for the process
being used.
2. Make sure the Output Control is
adjusted correctly
process being used.
1. The Arc Force Control may not
be set correctly for the process
being used. Increase the Arc
Force.
2. Make sure the Output Control is
adjusted correctly
process being used.
3. Check the welding cables for
loose or faulty connections.
CAUTION
MULTI-WELD 350
TROUBLESHOOTING GUIDE
RECOMMENDED
COURSE OF ACTION
1. Check the Hot Start Control
(R2) and associated leads and
connections.
Force Control and Hot Start
Control are interchangeable and
for the
may be switched to aid in trou-
bleshooting.
Diagram.
2. The Weld Control Board may be
faulty.
1. Check the Arc Force Control
(R3) and associated leads and
connections.
Force Control and Hot Start
Control are interchangeable and
may be switched to aid in trou-
for the
bleshooting.
Diagram.
2. The Weld Control Board may be
faulty.
F-12
Note: The Arc
See the Wiring
Note: The Arc
See the Wiring