Lincoln Electric IM658-A - Manual (Page 54)

E-8 TROUBLESHOOTING E-8
POWER FEED 10 DUAL
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE CAUSE
RECOMMENDED
COURSE OF ACTION
15. Display(s) are blank.
16. Dual Procedure is not function-
ing when using remote dual pro-
cedure switch. Status lights are
solid green on CB and head
boards.
a. Power source is OFF.
b. Feeder supply or fuse circuit at
power source is blown or tripped,
or defective harness or cabling.
c. Display or CB boards may be
faulty.
a. Gun has not been selected at the
control box. Set dual procedure
switch on CB to gun. Refer to
operating instructions.
b. Faulty remote dual procedure
switch. Remove switch. Check
continuity between switch pins
with switch open and closed. If it
fails the continuity test, repair or
replace switch.
c. Faulty Local Dual procedure
switch.
If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.