How to Test the Selector Switch
The selector switch identifies which cycle is to be used. If a button does not work, that cycle will not function properly.
To service the selector switch, it is necessary to access the control panel in the door. Access varies by model; on some models you can remove just the control panel on others you must remove the interior or exterior panel of the door.
Start with the door closed and locate any screws on the front that must be removed. Usually there are one or two screws near the latch; do not remove the latch itself unless necessary. Now open the door and remove the screws near the top. In the photo below, the screws labeled "B" secure the control panel on some dishwashers. Start with the "B" screws and attempt to remove the control panel. Check for screws along the top of the door as well.
If the control panel cannot be removed, then it is necessary to remove the entire door panel. Remove the screws along both edges of the door (labeled "A" and "B" above). There may be several screws near the bottom of the door that secure the door to the door hinge mechanism, it should not be necessary to remove these screws. Carefully lift the panel off from the door. The panel may have wires connected, so check before lifting the panel out too far. If the panel does not lift out, check for other screws.
Remove the control panel cover to expose the door's control components. It may be held in place with additional screws or clips.
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