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LN-23P
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F-7 F-7
TROUBLESHOOTING AND REPAIR
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
electrical shock, please observe all safety notes and precautions detailed throughout this
manual.
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 1-888-935-3877.
NOTE: The procedures and tests described in this manual are written with the under-
standing that the repair technician fully understands the process of locating and
accessing (within the welding machine) the specific board or device involved in
each procedure or test.
WARNING
WIRE FEEDER TEST
TEST DESCRIPTION
This test will determine if the wire feeder is functional
MATERIALS NEEDED
Volt/Ohmmeter
DC voltage source (24 to 48 Volt / 5amp)
Misc. Hand Tools