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I have a bosch millennium series SHU9905UC. There is still water at the bottom of the dishwasher from the last time it was run. I think it may not have completed the cycle as a few bowls were still dirty. Now when I try to put the washer on and press a cycle, no light is coming on at all. It seems dead. Is there anything I can try before calling in service people?

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  • Anonymous Nov 11, 2008

    I have the same problem, dirty water left in the bottom. The manual says it's usually something plugged up on the drain, be it the dishwasher hose or P-trap. I've found a number of pumpkin seeds stuck in the drain hose when I disconnected it from the disposal. I ran it again, by accident, disconnected a more seeds came out. I'm in process of replacing the sink so the jury's still out but if it's not working the next step is remove the washer from under the counter and check if there's a kink in the hose or similar.

  • omni-boy Jan 17, 2009

    same problem but i think i have a solution. i got to checking it after every cycle and it was empty then i would go to reload and there was water so i am thinking the water is actualy runing back into the DW from the disopsal. so im going to get a check-valve/ duckbill at the hardware

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5 Suggested Answers

  • 27 Answers

SOURCE: Bosch Dishwasher odor

Make sure that drain hose is not kinked, and that the unit is draining properly. Odours are most commonly caused by the unit not draining properly and subsequently using the dirty water in the rinse cycles as well....not perfect washing results will be the tell-tale sign here....

Posted on Jun 26, 2007

localwonder
  • 6784 Answers

SOURCE: Bosch smu2046uc doesn't drain completely (water

check the following parts for their operational value. replace any failed part.


1. Air gap / Drain hoses
If there is an air gap (located in the sink, near the faucet), check to see if it is clogged. Unscrew the top cap and see if there is anything blocking inside. Note: If there is no air gap installed, the dishwasher might not drain properly.

If the drain hose is clogged, the dishwasher would not drain. If there is an air gap installed, it is very common that a hose going from the air gap into the garbage disposer is clogged. Remove and clean the hose. Make sure to reattach the hose before starting the dishwasher.

Note: If you recently had a garbage disposer installed, it is common to overlook removing the drain plug.

2. Broken belt
Some dishwasher models use a belt to drive the pump. Replace the belt if found broken.

Note: Sometimes the belt would just come off the pump. Even though it might not be broken, it is recommended that you replace the belt, because it is probably too stretched out.

3. Pump
Some models have two impellers inside the pump - one, wash impeller, takes care of the wash cycles, the other, drain impeller, drains the water out. If the drain impeller is broken (broken blades, shaft), the dishwasher would not drain. Replace any broken pump components.

4. Drain solenoid
Some models (for example most GE dishwashers) use a drain solenoid to drain water out. Sometimes the solenoid gets stuck, preventing the water from draining out. Try to free up the solenoid. If unsuccessful, you might have to replace the pump assembly.

5. Motor
If the motor is stuck, it is sometimes possible to free it up by manually spinning the motor.

Replace the motor if defective.

6. Timer
Replace if defective (note: uncommon problem).

Posted on Jun 15, 2009

  • 1 Answer

SOURCE: my bosch dishwasher won't drain

mine is doing this too. I am trying to figure out if its the pump.

Posted on Nov 14, 2009

  • 129 Answers

SOURCE: dishwasher wont' drain ...leaves dirty brown water

remove drain hose under sink shop vac hase pump and sewer drain clean out inside washer food chopper in bottom rear of washer

Posted on Feb 05, 2010

Macmarkus
  • 2605 Answers

SOURCE: DISHWASHER COMPLETELY DEAD

Hi John, and welcome to Fixya. I don't believe the greasy water sitting in the machine has anything to do with the problem, rather it is likely a by-product of the problem. Based on your post, I would start by first shutting off the breaker. Then removing the kick plate ( access panel at the bottom ) and checking the wiring at the junction box for the dishwasher 120vac supply line. Remove the murret's and visually inspect the wire for "resistance burn" and strip the wires back and install new fastener's if necessary to repair. This is actually quite common to find a wire connector come loose due to improper fastening and once the unit is in use for a while the connections heat & cool, become loose from normal operating vibrations and burn up from all the added heat caused by "resistance". The end result is no power to the controls. Check it out and post back what you find. Thanks for visiting "fixya" and please take a moment to rate the solution/suggestion provided here for you. Good luck. Macmarkus :)

Posted on May 25, 2010

Testimonial: "Thanks for the solution. I'm afraid I am not very technical and some of what you've suggested is over my head. I'll pass the info to my brother in law to decipher and see if the problem can be sorted"

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Our Bosch DLX series dishwasher slowly fills up when it isn't running. If we don't use it for a day or two the water will flow out the bottom. When it runs, it runs normally.


Hi, the problem is the water valve itself. Based on your description and the fact that this is a common issue with Bosch dishwasher's a new valve will resolve the problem. You'll need a new valve assembly part # 425458 and it's available at most part's places or online. It is about $25 - $30. Let me know if I can assist you further. Thanks for using "fixya" for your inquiry. Please take a second and rate the info provided for you here. Good luck. Macmarkus :)

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