Lincoln Electric LN-9F GMA Welder User Manual


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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
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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.
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