Lincoln Electric V155-S - Manual (Page 60)

INV
ER
TEC
V1
55
Five Screws
Inve
ter B
oard
Three Screws
Ground
FIGURE F.12 – DOOR REMOVAL
INVERTER BOARD REMOVAL AND REPLACEMENT PROCEDURE (CONTINUED)
PROCEDURE
1. Disconnect power to the INVERTEC® V155-S.
2. Perform the Case Cover Removal Procedure.
3. Perform the Input Filter Capacitor Discharge
Procedure.
4. Perform the Input Board Removal Procedure.
5. Using phillips screwdriver, remove the three screws
mounting the inverter board to the right side case
cover. These screws can only be seen/accesed
through the left side of the machine with the left side
case cover removed. See Figure F.12.
6. Note location of ground lead upon removal of lower
right phillips screw.
Note: Pay attention to wiring diagram very closely.
When connecting cables from the Input
Board to the Power Switch. You must con-
nect the cables as shown in Figure F.9.
PWR 2(white) to 4 PWR 1(blue) to 1
PWR 4(white) to 5 PWR 3(blue) to 2
TROUBLESHOOTING & REPAIR F-28 F-28
INVERTEC® V155-S
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