Lincoln Electric IM803-B - Manual (Page 24)

ES 275i
E-7 TROUBLESHOOTING E-7
Observe all Safety Guidelines detailed throughout this manual
WELDING PROBLEMS
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Poor welding, weld settings drift, or
output power is low.
Poor stick electrode welding
performance. The arc pops out.
The thermal light and fan keep turn-
ing on and off.
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 voltages and
input voltage reconnect
procedures. See
Installation
Section of this manual.
4. Check for loose or faulty welding
cables.
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.
1. Check the input voltage section.
2. Check for blockage of vents,
which restricts air flow into or out
of the machine.
If all recommended possible areas of
misadjustment have been checked
and the problem persists,
Contact
your local 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