Lincoln Electric IM589 INVERTEC V250-S - Manual (Page 25)

E-6 TROUBLESHOOTING & REPAIR E-6
INVERTEC V250-S
Observe all Safety Guidelines detailed throughout this manual
WELDING PROBLEMS
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
Poor welding, weld settings drift, or
output power is low.
Poor stick electrode welding
performance. The arc pops out.
1. Make sure the machine settings
are correct for the weld process
being used.
2. Check machine performance on
LOCAL control. If OK then the
remote control device may be
faulty. Check or replace.
3. Check the input voltage. See
Installation Section of this man-
ual.
1. Check for loose or faulty welding
cables.
2. Is the electrode DRY? Try weld-
ing with another electrode from a
different container. Make sure
you have the correct electrode for
the application.
3. Make sure the machine settings
are correct for the weld process
being used.
If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized Field
Service Facility.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con-
tact your local authorized field service facility for technical troubleshooting assistance before you proceed.
CAUTION