Control Pc Board Removal And Replacement - Lincoln Electric POWER MIG 255 SVM144-B Service Manual

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TROUBLESHOOTING AND REPAIR
REMOVAL AND REPLACEMENT PROCEDURE
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.
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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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
CONTROL PC BOARD
WARNING
CAUTION
POWER MIG 255
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