Wire drive motor, Test, Perform the – Lincoln Electric LN-9 SVM127-A User Manual
Page 88: Tach board, Feedback test, If the, Tach board feedback, Troubleshooting & repair, Warning wire drive motor and tach feedback test
TROUBLESHOOTING & REPAIR
F-30
F-30
LN-9 Wire Feeder
WARNING
WIRE DRIVE MOTOR AND TACH FEEDBACK 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 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 troubleshoot-
ing assistance before you proceed. Call 216-383-2531 or 1-800-833-9353 (WELD).
DESCRIPTION
This test will help determine if the drive motor and tach feedback are functioning properly.
MATERIALS NEEDED
Phillips head screw driver
Analog volt/ohmmeter (multimeter)