Model #FDB641RJS0 FRIGIDAIRE Dishwasher

  • Cover
    3 Results
  • Control Panel
    3 Results
  • Door
    3 Results
  • Tub
    3 Results
  • Motor
    3 Results
  • Frame
    3 Results
  • Rack
    3 Results
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Question and Answers


Dishwasher hanging in heating delay mode


I know how important it is to have a good working dishwasher in the home to keep your dishes nice and clean. I did some research and I was able to find a link that will provide you with some good information. I hope this helps with your dishwasher troubles while you wait for your expert response.

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Joseph P. -
September 27, 2012

Thank you for your question and I understand your concern.

If the temp-boost thermostat is not pressed up against the bottom of the dishwasher or the thermostat is faulty, the timer will not advance. You can test the temp-boost thermostat for continuity after the water has been heated to 125 degrees. The temp-boost thermostat must close in order to advance the timer when it reaches the thermal holds. NOTE: Disconnect the power supply from the dishwasher before disconnecting the temp-boost thermostat and checking it for continuity. The temp-boost thermostat is located under the tub.

The temperature of the water will raise about one degree every four minutes. As the water falls back onto the heater, then onto the tub the thermostat senses this change in temperature. If you can watch the water temperature without opening the door you can follow this temperature rise. Once the water temperature has reached the proper temperature the control thermostat should close to advance the timer. If the thermostat does not close, take a jumper wire and carefully short across the control thermostat to see if the timer then advances. If the timer only advances after shorting across the control thermostat replace this thermostat. Turn the power supply off before shorting across the temp-boost thermostat and then turn the power supply on and see if the timer advances._

  1. Timer motor (stalled or open.) -- Replace timer
  2. Check timer for power to timer motor. --Repair wire or replace timer.
  3. Timer shaft binding to or knob interference with escutcheon. -- Repair/adjust
  4. TempBoost thermostat defective. --replace or adjust the position of the thermostat

I hope this is helpful. If I may be of further assistance as more details become available, please reply to this post.

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Joey S -
Sears Technician
September 29, 2012

Thank you for the detailed information. I just got my new thermostat today and installed it. The dishwasher test run has been a success. I had some confusion as there were two thermostats on the unit, and the first one I spotted was near the back, and I couldn't reach it with a screwdriver. The other was near the front, more hidden but accessible from the adjacent sink service area. Thankfully the one near the front was the source of our difficulty. It is good to be back in business.

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Evelyn -
October 04, 2012
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