Question about Bosch 24 in. SHU43 Built-in Dishwasher

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Bosch built in dishwasher shu4302uc The dishwasher appears to run through the cycle but the cycle takes over three hours. When the cycle finally finishes the dishes are not completely dry. Is there a way to adjust the timing for the cycles? I have checked the screens and they were clear.

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  • Cdorothy254 Feb 24, 2009

    Advertised as a potscrubber. Does not clean anything. Have to completely wash everything before putting in the dishwasher and it does take a long time and dishes are not dry. Anything that is face up is full of water. Now one of the arms of the washer has come off and is laying in the tub on top of the dishes.

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There are no adjustments for cycle timing. What does affect timing is temperature of the water coming into the DW. The hotter your supply water, the shorter the time to cycle, BUT if your water is too hot, the cycle time may become too short to light the NSF 'Sanitize' indicator. But since the cycle is taking so long, this is an indication that the DW's water heater is not heating the water hot enough to advance the countdown timer in a timely manner. The control logic is waiting for the temp to come up to an appropriate level to ensure adequate washing, rinsing or drying times. Likely your display is showing '1' for a long time as a symptom of this problem, as well.  - This link http://www.applianceaid.com/boschDW.html has procedures to run self-tests on various Bosch models. I suspect that you can confirm a 'heater fault' on your unit by running the self-test.  - This problem invariably relates to a 'heater fault' which has usually been traced to an open solder joint on the control board located behind the switches/indicator lights on front door. If you have a Torx driver, soldering iron & bit of solder, you can effect a repair yourself in about an hour. Otherwise, a replacement control board is required.
If you'd like to attempt replacing the control board yourself, refer to this link for part & DIY information. http://www.appliancejournal.com/appliance-parts/bosch-appliance-parts/bosch-dishwasher-control-module-266746-37/
- Else, place a service call to the tech of your choice.
  

Posted on Mar 01, 2009

  • PapaSmurerf
    PapaSmurerf Mar 01, 2009


    Posted by Cdorothy254 on Feb 24, 2009
    "Now one of the arms of the washer has come off and is laying in the tub on top of the dishes."

    The upper arm can be reattached by pulling the upper rack out for easier access and reattaching it by placing it on the supply arm under the basket and giving the knob in the center of the arm an 1/8 turn clockwise to secure it. While you have the arm off though, check for any food particles that could be blocking water from flowing out the spray arm nozzles. Make sure no items loaded into the bottom rack interfere with free rotation of the spray arm after both racks are pushed back into place.
    Also, check that the square fine filter plate in the bottom is clear. If there is standing water in the bottom, close the door & press both the buttons for CANCEL/DRAIN cycle to force a draining of the water. After it's drained roll the bottom rack out and check for and sponge out any debris. Turn the knob of the Large Object Trap/Cylinder filter CCW to remove it and inspect it for any trapped material. Rinse and replace it and rotate CW until arrows line up to secure it place.
    Refer to the Care and Maintenance section of your Use and Care manual for more info and illustrations of these parts.




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48388b9.jpge86e8d4.jpg

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