Rotor resistance, Test, The rotor resistance – Lincoln Electric COMMANDER SVM145-B User Manual
Page 87: Troubleshooting & repair, Warning rotor resistance test
TROUBLESHOOTING & REPAIR
F-31
F-31
COMMANDER 300
WARNING
ROTOR 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
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 1-800-833-9353 (WELD).
TEST DESCRIPTION
This test will determine if there is a shorted winding in the rotor or if the rotor is grounded.
MATERIALS NEEDED
Ohmmeter
3/8" wrench
Needle nose pliers
This procedure should take approximately 15 minutes to perform.