Output Power Board Resistance Test - Lincoln Electric PRO-CUT 55 Service Manual

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OUTPUT POWER BOARD RESISTANCE TEST

Service and repair should be performed by only Lincoln Electric factory trained personnel.
Unauthorized repairs performed on this equipment may result in danger to the technician or
machine operator and will invalidate your factory warranty. For your safety and to avoid elec-
trical shock, please observe all safety notes and precautions detailed throughout this manu-
al.
If for any reason you do not understand the test procedures or are unable to perform the
test/repairs safely, contact the Lincoln Electric Service Department for electrical trou-
bleshooting assistance before you proceed. Call 216-383-2531 or 1-800-833-9353 (WELD).
DESCRIPTION
This test will help the technician determine if the output power board is faulty.
MATERIALS NEEDED
5/16" Nut driver
Analog Volt/ohmmeter
7/16" Wrench
This procedure takes approximately 18 minutes to perform.
TROUBLESHOOTING & REPAIR
WARNING
PRO-CUT 55
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