!
NOTE:
Plug-ins on circuit boards are marked with
a number “1”. This marking corresponds
with a red line on the connector cable.
Make sure the “1” and the red line
match when reconnecting a cable to
the circuit board.
Match No. 1 on
plug to red line
on cable
7.5 Circuit Board Removal and Replacement
General Notes:
The circuit boards should always be handled with care. Keep the board it its packaging until it is
time for installation. Do not place the board on metal surfaces. The boards have a protective
coating that resists electrostatic discharge (ESD) but it is good practice to touch a metal surface
with your hand to discharge any static built up on your body before handling a board. Handle the
circuit board by its edges whenever possible. Take care when using tools near the board.
WARNING:
When working on the dishwasher, disconnect the electrical service and place a red tag
at the disconnect switch to indicate work is being done on that circuit.
CAUTION:
Discharge static build-up on your body by touching a metal surface before handling a
circuit board to protect the board from electrostatic discharge (ESD).
NOTE:
Program jumpers should be checked and set to match the model and function of the dish-
washer being repaired before the board is installed. Refer to Section 7.3, pages 62-65.
7.5.1 Timer Control Board Removal
Refer to the pictures and instructions given below.
To remove the timer control board:
Check and set the program jumpers before you install a replacement board.
1. Turn power off at the dishwasher and the main power disconnect switch.
2. Open the front door.
3. Remove screws located in each corner of the hood.
4. Pull the slide-out control cabinet out fully.
5. Fold back the protective mylar drip shield.
6. Note location, then carefully disconnect display cables and connectors.
7. Remove 6-32 grip nuts retaining the board.
8. Lift the board up and off the mounting studs.
9. Replace the board in reverse order.
Part 7:
SOLID STATE CIRCUIT BOARDS
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