Video & Articles: Appliance & Equipment RepairGE Dishwasher Main Control Board Replacement #WD21X20720

GE Dishwasher Main Control Board Replacement #WD21X20720

04:11
This video provides step-by-step instructions for replacing the main control board on GE dishwashers. The most common reason for replacing the control board is if the dishwasher won’t start and none of the control panel buttons work, but other more common causes have been ruled out.

All of the information in this control board replacement video is applicable to the following brands: GE

Tools used: 1/4” socket or nut driver, 5/16” socket or nut driver, pliers

Step By Step Instructions

1
Before you replace the main control board in your dishwasher turn off the power to the appliance.
2
Use a quarter-inch socket or nut driver to remove the screws securing the lower access panel.
3
Remove the panel along with any insulation.
4
Next, remove the two inner screws securing the control board support panel.
5
Disconnect the door wire connecter from the panel.
6
Use a 5/16th inch socket or nut driver to unthread the screw securing the junction box cover. Then pull the cover off.
7
You can now drop the support panel down and pull it out.
8
Note the orientation of the main control board wires then disconnect them from the board.
9
Using the quarter-inch socket or nut driver, remove the grounding screw.
10
Now use pliers to squeeze the mounting pins to pull the old board free of the panel.
11
You’re now ready to install the new main control board.
12
Align the board in the support panel and snap it onto the mounting pins.
13
Secure the grounding screw.
14
Connect the wire connecters to the appropriate terminals on the new board.
15
With the wires aligned in the slot, reposition the support panel.
16
Replace the screws to secure.
17
Connect the door wire connecter.
18
Realign the junction box cover and replace the screw to secure.
19
Replace any insulation.
20
Reposition the lower access panel and secure it with the screws.
21
With the repair completed, turn the power supply back on and your dishwasher should be ready for use.
Description
This video provides step-by-step instructions for replacing the main control board on GE dishwashers. The most common reason for replacing the control board is if the dishwasher won’t start and none of the control panel buttons work, but other more common causes have been ruled out.

All of the information in this control board replacement video is applicable to the following brands: GE

Tools used: 1/4” socket or nut driver, 5/16” socket or nut driver, pliers
Step-By-Step Instructions
1
Before you replace the main control board in your dishwasher turn off the power to the appliance.
2
Use a quarter-inch socket or nut driver to remove the screws securing the lower access panel.
3
Remove the panel along with any insulation.
4
Next, remove the two inner screws securing the control board support panel.
5
Disconnect the door wire connecter from the panel.
6
Use a 5/16th inch socket or nut driver to unthread the screw securing the junction box cover. Then pull the cover off.
7
You can now drop the support panel down and pull it out.
8
Note the orientation of the main control board wires then disconnect them from the board.
9
Using the quarter-inch socket or nut driver, remove the grounding screw.
10
Now use pliers to squeeze the mounting pins to pull the old board free of the panel.
11
You’re now ready to install the new main control board.
12
Align the board in the support panel and snap it onto the mounting pins.
13
Secure the grounding screw.
14
Connect the wire connecters to the appropriate terminals on the new board.
15
With the wires aligned in the slot, reposition the support panel.
16
Replace the screws to secure.
17
Connect the door wire connecter.
18
Realign the junction box cover and replace the screw to secure.
19
Replace any insulation.
20
Reposition the lower access panel and secure it with the screws.
21
With the repair completed, turn the power supply back on and your dishwasher should be ready for use.

Applicable Product Model

Dishwasher
Brand
Product Type
Model
Subtype
Product Diagram & Manuals
Parts Needed
Recommended Tools and Accessories
Cleaner
Cleaner
$9.80
Total$0.00

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