Wire drive motor and tachometer feedback test, F-27, Troubleshooting and repair – Lincoln Electric POWER MIG SVM170-A User Manual

Page 67: Warning

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F-27

TROUBLESHOOTING AND REPAIR

F-27

WIRE DRIVE MOTOR AND TACHOMETER FEEDBACK TEST

Service and repair should only be performed by Lincoln Electric factory trained
personnel. Unauthorized repairs performed on this equipment may result in dan-
ger to the technician or machine operator and will invalidate your factory war-
ranty. 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 per-
form the test/repairs safely, contact the Lincoln Electric service department for
technical troubleshooting assistance before you proceed. Call 1-888-935-3877.

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TEST DESCRIPTION

This test will determine if the wire drive motor and voltage feedback circuit are func-
tioning properly.

MATERIALS NEEDED

5/16 in. Nutdriver
Volt-Ohmmeter

POWER MIG 255C

WARNING

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