Lincoln Electric IM355-C LN-9 GMA - Manual (Page 55)

TROUbLESHOOTING
E-1 E-1
LN-9 GMA and LN-9F GMA Wire Feeder
If for any reason you do not understand the test procedures or are unable to perform the necessary
tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting
assistance before you proceed. Call 1-800-833-WELD or 216-383-2531.
This Troubleshooting Guide is designed to be used by the machine Owner/Operator.
Unauthorized repairs performed on this equipment may result in danger to the technician
and machine operator and will invalidate your factory warranty. For your safety, please
observe all safety notes and precautions detailed in the Safety Section of this manual to
avoid electrical shock or danger while troubleshooting this equipment.
This Troubleshooting Guide is provided to
help you locate and repair possible machine
misadjustments. Simply follow the three-step
procedure listed below.
Step 1. LOCATE PROBLEM (SYMPTOM)
Look under the column labeled “PROBLEM
(SYMPTOMS)”. This column describes
possible symptoms that your machine may
exhibit. Find the listing that best describes
the symptom that your machine is exhibiting.
Problems are divided into “WIRE FEEDING
PROBLEMS” or “WELDING PROBLEMS.”
Step 2. PERFORM EXTERNAL
RECOMMENDED TESTS
The second column labeled “POSSIBLE
AREAS OF MISADJUSTMENT(S)” lists the
obvious external possibilities that may
contribute to the machine symptom. Perform
these tests/checks in the order listed.
Step 3. CONSULT LOCAL AUTHORIZED
FIELD SERVICE FACILITY
If you have exhausted all of the
recommended tests in step 2, consult your
local Authorized Field Service Facility.
WARNING
CAUTION
HOW TO USE TROUbLESHOOTING GUIDE