Lincoln Electric POWER FEED 10M SINGLE/DUAL SVM172-A - Manual (Page 121)

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.
POWER FEED 10M SINGLE/DUAL
F-17 F-17
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WARNING
TROUBLESHOOTING & REPAIR
VOLTAGE SENSE PC BOARD TEST
TEST DESCRIPTION
This test will help determine if the voltage sensing board is receiving the correct activa-
tion signal from the control board and also if the voltage sensing board is processing arc
voltage sensing information.
MATERIALS NEEDED
3/8 in. nut driver
Volt-Ohm Meter