Lincoln Electric V155-S - Manual (Page 43)

TROUBLESHOOTING & REPAIR F-11 F-11
INVERTEC® V155-S
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INPUT FILTER CAPACITOR DISCHARGE PROCEDURE (CONTINUED)
FIGURE F.4 – CAPACITOR DISCHARGE LOCATIONS
INVERTER BOARD
Red
Black
8. Remove the right side cover per Case Cover
Removal Procedure steps 5 thru 7.
9. Use electrically insulated gloves and insulated pli-
ers. Hold the body of the resistor and connect the
resistor leads across the two terminals where the
RED and BLACK leads are connected. Hold the
resistor in place for 10 seconds. DO NOT TOUCH
CAPACITOR TERMINALS WITH YOUR BARE
HANDS. See Figures F.3 and F.4
10. Check the voltage across the terminals with a DC
voltmeter. Voltage should be zero. If any voltage
remains, repeat this capacitor discharge proce-
dure.