Question about Bosch SHY56A02 / SHY56A06 Built-in Dishwasher
My DW will not stop filling and draining. I changed control board, flow switch, and water fill assembly. Nothing helped. A few things I've noticed: *The arm inside the dishwasher never turns- always stays in same position. *The dishes never get wet (I guess due to arm not turning). *When I open door during filling and draining I always have water in bottom of dishwasher. I have to hit the "drain" buttons to rid of it. *The cycle time minutes never run down- they always stay at the initial cycle time. *If I am doing the "test" mode correctly, DW is show a "4"- which I think idicates a fill problem. I am lost, pls help! Just bought house and though DW was good. Do not want to pay $125 to have someone look at it.
Certainly sounds like the float is stuck in the over filled position or possible a bad float switch. Could also be a bad water fill valve - if you can blow air through it when removed then you need to replace it. You can follow this link to troubleshoot your washer, but note that its not exactly for your model - http://www.thermador.com/replacementparts/main/pdfs/SHU-complete-troubleshooting-guide.pdf Good luck!
Posted on Mar 26, 2006
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If the water inlet
valve is fine and it fills with water then the issue seems to be with the float
switch assembly that is bad and should be replaced. Float assembly is found
inside the dishwasher's tub, on the bottom. The water that fills the dishwasher
lifts the float, and when it reaches a certain level, it acts as a trigger for
the float switch. The float triggers the float switch to shut off, thereby
shutting off the flow of water into the dishwasher. A defective switch may
interfere with dishwasher's filling and/or draining ability. Use voltmeter to
test the switch. Set the device to the ohms setting x 1. Take each probe and
touch them to one switch terminal each. This should produce a reading of either
zero or infinity. Continue to touch the probes to the terminals, and press down
on the switch's button. The reading should change to the opposite extreme. If
the switch fails either of these tests, you should replace it. Hope this helps...please post back for
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