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HOW TO USE TROUBLESHOOTING GUIDE
WARNING
Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. 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 and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this
manual.
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This Troubleshooting Guide is provided to help you locate and remedy possible machine problems. Simply follow the three- step procedure listed below.
Step 1. LOCATE PROBLEM (SYMPTOM). Look under the column labeled “PROBLEM (SYMPTOMS)”. This column describes pos- sible symptoms that the machine may exhibit. Find the listing that best describes the symptom that the machine is exhibiting.
Symptoms are grouped into the following categories: Output Problems; Feeding Problems; Gas Flow Problems; and Welding Problems.
Step 2. PERFORM EXTERNAL TESTS. The second column labeled “POSSIBLE AREAS OF MISADJUSTMENT(S)” lists the obvious external possibilities that may con- tribute to the machine symptom. Perform these tests/checks in the order listed. In general, these tests can be conducted with- out removing the case
Step 3. PERFORM COMPONENT TESTS. If you have exhausted all of the recom- mended tests in Step 2, consult your local Authorized Field Service facility.
CAUTION
If for any reason you do not understand the test procedures or are unable to Perform the tests/repairs safely, contact your LOCAL AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.
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CAUTION
If machine case sides and top are removed, the case front must be supported.
Failure to do this could result in mechanical or electrical damage to the
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