Question about Whirlpool Dishwashers
If the drawer does not open at all, then the problem is the drawer mechanism itself or the detergent drawer switch connected to the electroni control module. In that case the door must be taken apart to test and eventually replace the part. The switch can be tested energizing it and observing the action on drawer. Most dishwashers use a low voltage mechanism. Please refer to service manual for specific model. Most drawers are operated thanks to a spring installed in the drawer. Check that the spring is well in place.
If the drawer releases too late and/or tablet does not dissolve, then the switch may be OK, but the drawer may be obstructed by baskets, the detergent may be incorrect, or the water may not be heating or filling. In that case follow the indications here: The soap dispenser drawer.
To find parts and diagrams try entering the full model number (as from service tag) in the websites listed at the link below:
Enter the model number ...
Posted on Dec 30, 2010
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Posted on Jan 02, 2017
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Oct 11, 2011 | Whirlpool Dishwashers
Jul 29, 2011 | Maytag Dishwasher
Dishwashers use Bi-Metal strip to
allow the dispenser to open/close. This strip when heat up causes the soap door
spring to open up the dispenser. If this strip is not heated doesn't allow the
door to open. The strip may not be getting 120V or maybe disconnected. Newer
(plastic liner) dishwashers use a wax motor to open the soap dispenser. The
plunger inside the wax motor slowly moves and pushes the plunger and door
open. And, if this wax motor doesn't receive 120 volts, then it'll not work.
Please check the voltage to the wax motor/Bi-metal strip; also inspect the
connections to these.
Hope this helps...
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