Sharp SWD-78EHL-SL Service Manual page 15

page 18
6. Change the control board with LCD in the IMD NOTE: Make sure the static
protection is equipped before doing service to protect control board.
6.1 Take off the IMD panel by pressing the hooks at the bottom.
6.2 Unplug all the wires by pressing down the locks.
6.3 Change a new control board
6.4 Connect the wires back and plug power after double checking, to see if the dispenser work
properly.
6.5 Install the IMD back.
7. Change door switch
7.1 Take off the control box cover by unscrewing 2 bolts
7.2 Pull of the wires from the control board.
7.3 Take off the door switch by screw driver
7.4 Change a new door switch and check if it works.
7.5 Install the control box cover back.
8. Change float switch
8.1 Take off the control box cover by unscrewing 2 bolts
8.2 Pull the wires off from the control board by pressing down the lock.
8.3 Open the top cover by unscrewing 2 bolts on the back.
8.4 Take out the switch by unscrewing 2 bolts, take away the glue.
8.5 Change a new switch and glue it after installation.
8.6 Connect the wire and do the test before closing the top cover.
8.7 Install the top cover back
8.8 Install the control box cover back.
How to change parts