Model #MDB4650AWW MAYTAG Dishwasher

  • Control Panel
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  • Door
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  • Track & Rack Assembly
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  • Tub
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  • Water Distribution Assembly
    3 Results
  • Pump & Motor
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  • Supplemental Information
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  • Wiring Information
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Question and Answers


Dishwasher not heating


That is what is about, trying to avoid you having to spend money on a service call for the Maytag dishwasher. I have attached a link on a similar question on a Maytag dishwasher that may be helpful. An expert will respond shortly with additional information.

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Anna T -
July 04, 2012

I know that it can be very difficult to have problems with your dishwasher. The most practical way to initially test the heating element is to run a wash cycle with the heated drying cycle selected. At the end of the cycle, open the dishwasher door to check and see if the heating element is heating properly. I don't recommend directly touching the heating element. If you place your hand close enough to the element, you should be able to detect whether it is heating.

If you do not detect significant heat coming off of the heating element, you could have a wiring failure or a bad element. A control board failure could also prevent your heating element from heating properly.

If you have a volt/ohm meter, you can check the resistance of the heating element. Disconnect electrical power to the dishwasher (turn off the breaker) and remove the bottom front kick panel. Pull the wires off of the heating element and measure the resistance across the terminals of the heating element. You should measure around 22 ohms of resistance. If you measure infinite resistance (open), then the heating element will need to be replaced.

If the heating element appears to be heating properly in the heated drying portion of the cycle, then the following problems could also prevent your dishes from drying properly:

  • Lack of rinse aid (Jet Dry), or rinse aid not dispensing properly
  • Low water temperature -- water temperature should be around 120 degrees F
  • Large amount of plastics in the dishwasher load -- plastic dishes will normally not dry well since they do not retain heat

I hope this helps. If you need further assistance, please reply to this thread. Thank you for using Manage My Life.

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AnneJ -
Sears Technician
July 06, 2012
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