Troubleshooting and repair, Caution – Lincoln Electric POWER MIG 255 SVM144-B User Manual
Page 75
POWER MIG 255
F-37
F-37
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 pre-
cautions 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
electrical troubleshooting assistance before you proceed. Call 1-888-935-3877.
WARNING
CONTROL PC BOARD
REMOVAL AND REPLACEMENT PROCEDURE
DESCRIPTION
This procedure will aid the technician in the removal and replacement of the Control PC
Board.
MATERIALS NEEDED
5/16 in. Nutdriver
Static electricity grounding strap
Printed Circuit Boards can be damaged by static electricity. Follow static handling
guidelines detailed in “PC Board Troubleshooting Procedures” at the beginning of this
chapter.
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CAUTION