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Detergent Cup Not Opening (bimetal)

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My Uncle, who is a retired appliance repair tech, suggested that I needed to replace the bimetal because of the

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  #1 (permalink)  
Old 10-05-2009, 10:50 AM
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Default Detergent Cup Not Opening (bimetal)
Model Number: DWU9920AAE   Brand: Maytag   Age: 5 - 10 years   

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My Uncle, who is a retired appliance repair tech, suggested that I needed to replace the bimetal because of the problem described above. I will be darned if I can find the part listed on any diagrams. Any help would be greatly appreciated. Also, I have no idea how old the unit is as it was in place when I bought my home five years ago.
J


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  #2 (permalink)  
Old 10-05-2009, 01:21 PM
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There is no bi-metal release in this model. Instead it has a wax motor. You can find the troubleshooting instructions in the Service manual.

Here are the breakdown diagrams and Replacement parts for MAYTAG DWU9920AAE | AppliancePartsPros.com

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  #3 (permalink)  
Old 10-05-2009, 01:42 PM
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Thank you for your time, Gene. I thought the wax motor may be the culprit, but was confused because the description seems to indicate that the wax motor is for the Rinse Aid as seen here:

Part Details - WHIRLPOOL Motor, wax (rinse disp.), part number: AP4110779

There is also a part listed as a Dual Wax Motor Conversion as seen here:

Part Details - WHIRLPOOL Dual wax motor conversion, part number: AP4009497

It would seem to me, having no knowledge about the workings of the dishwasher, that both of these operate the Rinse Aid. Am I wrong?

Thanks,
J
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Old 10-05-2009, 01:49 PM
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Do not rush with parts until you read the Service manual.

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