Chopper module, Test, Troubleshooting and repair – Lincoln Electric VANTAGE SVM178-B Manuel d'utilisation

Page 203: Chopper module capacitor discharge procedure, Warning

Advertising
background image

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 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 1-888-935-3877.

TEST DESCRIPTION

This procedure will insure that the large capacitors in the chopper modules have been dis-
charged. This procedure should be performed whenever work is to be attempted on or
near the chopper modules.

MATERIALS NEEDED

Miscellaneous Hand Tools
Volt/Ohmmeter
Resistor (25-1000 ohms and 25 watts minimum)
Jumper leads
Wiring diagram

CHOPPER MODULE CAPACITOR DISCHARGE PROCEDURE

TROUBLESHOOTING AND REPAIR

F-15

F-15

VANTAGE® 500

WARNING

Return

to

Section

T

OC

Return

to

Section

T

OC

Return

to

Section

T

OC

Return

to

Section

T

OC

Return

to

Master

T

OC

Return

to

Master

T

OC

Return

to

Master

T

OC

Return

to

Master

T

OC

Advertising