Field Diode Bridge Test - Lincoln Electric BULLDOG SVM208-A Service Manual

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Service and repair should be performed only by 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.
TEST DESCRIPTION
This procedure will test the Diode Bridge for any faulty diodes and will help determine the
configuration for the Bridge.
MATERIALS NEEDED
Volt/Ohmmeter
Diode Tester
TROUBLESHOOTING AND REPAIR

FIELD DIODE BRIDGE TEST

WARNING
BULLDOG® 140
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