Lincoln Electric POWER FEED IM849 - Manual (Page 36)

E-6 TROUBLESHOOTING E-6
POWER FEED™ 10A CONTROLLER
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
Wire feed speed consistently oper-
ates at the wrong value.
Variable or "hunting" arc.
1. The wire feeder gear setting is
not properly set. Verify the soft-
ware setting matches the gear
mounted. See the Instruction
Manual for setting the gear
speed.
1. Wrong size, worn and/or melted
contact tip. Replace the contact
tip.
2. Worn work cable or poor work
connection. Verify all work and
electrode connections are tight
and that the cables are in good
condition. Clean/replace as nec-
essary.
3. Wrong polarity. Adjust polarity to
the recommended procedure.
Verify DIP switch #7 setting
matches the electrode polarity. If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.
OUTPUT PROBLEMS