Troubleshooting & repair, Display board removal and replacement, Warning – Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B User Manual

Page 239

DISPLAY BOARD REMOVAL AND REPLACEMENT

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 trou-
bleshooting assistance before you proceed. Call 1-800-833-9353 (WELD).

DESCRIPTION

The following procedure will aid the technician in removing the display board for mainte-
nance or replacement.

MATERIALS NEEDED

5/16" Nut driver
3/8" Nut driver

WARNING

TROUBLESHOOTING & REPAIR

F-179

POWER WAVE 450