Question about Bosch 24 in. SHX33A02 / SHX33A06 Free-standing Dishwasher

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Bosch SHX33 drain pump continues to run

About two year old d/w has progressively kept running longer and longer after draining. Now it just tries to drain full-time. No water enters after reset and starting new wash cycle. All filters clear. Water runs very quickly through entire drain system. Drain pump would continue to run for hours if left alone.

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  • kenlenard Nov 28, 2008

    Same problem. Ours ran for a bout 6 hours while we were out. Came back & pump was running, dished were clean and no water was in the d/w. I tried to cancel but it will not work. I turned off the breaker to see if it will reset.

  • msk9 Apr 23, 2009

    We run dishwasher when we go to bed. Got up next morning and unit was humming. Opened door to find it full of water. Played around and got it to drain. Now the drain runs all the time I have added water and it will pump it out but still runs even with the door open. Have reset the circuit breaker still the same thing.

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3 Suggested Answers

Krazytech
  • 725 Answers

SOURCE: Bosch SHX46A02UC-21

float switch is in the flood position and the drain pump is running.. there is water under the dishwasher or that switch is stuck up..

Posted on Aug 21, 2008

  • 1 Answer

SOURCE: Bosch Dishwasher wont drain

Crazy! I have the EXACT same problem....sounds like it wants to drain...but won't ...Water has been stuck in the bottom for days now

Posted on Jul 18, 2009

SOURCE: My Bosch shx46A05UC no longer will drain.....it

I ran into the SAME problem with my Bosch SHX46A06UC /21. The problem ultimately ended up being a clog in the air gap vent, (meaning, SOMEBODY ran the dishwasher without the bottom filter being in place or not in place properly). Remove the air gap cover and upper surface nut to drop the air gap vent into the area under the sink. Disconnect the hoses from the air gap vent filter (placing a bucket under the hose from the dishwasher). Run the drain cycle on the dishwasher. The washer should drain into the bucket and let you know that your pump works and that there are no clogs or kinks in the drain hose. (This will also remove the clog if so). The air gap vent's smaller hose connection is MOST LIKELY where your clog is. Look at the upper end of the air gap vent. You'll see a couple of clips on opposite sides of each other, that hold the air vent cap in place. Using a small screwdriver, (or your hands if you can), depress the clips (or one at a time) to get to the point where you can pull the vent cap off the filter. Either use water or a thin, long blade screwdriver to force any objects out of the filter. You should now have full flow through both branches of the filter. Using water and a rag, clean the vent cap and filter. Mount the air gap vent filter back onto the sink. Reconnect the hoses and remove the dishwasher's internal filter(s) and clean them as well while you're at it, making sure to remove any debris that might remain underneath the filter and has the chance of clogging the unit again.

Run the washer again to test. You should be good!

Cheers!

Posted on Mar 20, 2010

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Bosch dishwasher runs continuously


I would call Bosch with you.re model and serial number, they have had a recall on your model for the control board and that sounds like it may be your problem, if it is under recall Bosch will send someone out at no charge to install a new board (800) 856-9226

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My 7 year old Bosch dishwasher (SHE56C) started to run for hours when set to wash on any cycle.


Do you hear it go into the drain cycle that is do you hear the drain pump run at some stage. What happens in the rinse program (short cycle)? It is likely the thermostat is not working or the water temperature is too low due to heater problems.

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check out my guide HERE. It addresses other problems you can have with bosch drainage. Tell me what you think!

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Dishwasher: BOSCH SHE43 - pump keeps draining


Your dishwasher is stuck in flood mode. Bosch dishwashers are built with flood switches located in the bottom base pan of the dishwasher. The flood switch is connected to a rod that activates a small interlock switch. When water enters the base pan on a Bosch dishwasher, a Styrofoam puck lifts the rod, activating the flood switch.

When the flood switch is activated, the dishwasher will go into a no-fill, only-drain mode. The drain motor may also run with the door open to the unit. This is definitely a sign there is water in the base pan. This can be caused by the drain being clogged. There are two ways to fix:

1. You can uninstall the dishwasher and tip it forward to about a 45 degree angle to drain the water out of the base pan. (This is probably why Ian Bint's solution fixed the problem.) Be sure to put a towel under the dishwasher first so that the water is soaked up in the towel instead of going all over the floor. Once you've drained all the water out of the base pan, reinstall the dishwasher and begin a cycle. If it fills and runs, you are good to go.

2. You can also unplug the unit, then remove the kick panel at the bottom in the front. (It's attached with two screws.) Then get some old washcloths or small towels and reach into the base pan below the dishwasher to soak up the water. The pan is directly behind the plastic base panel rim. Once the pan is empty and dry, your dishwasher will no longer be in "flood mode" and will run properly.

If the base pan keeps refilling with water and the no-fill problem returns, there is definitely another issue, such as a clogged drain. At this point, you need to decide whether to invest in an expert evaluation by a certified Bosch repairman and make the necessary repairs, or buy a new dishwasher.

Jun 28, 2009 | Bosch 24 in. SHE44C02UC / SHE44C06UC /...

1 Answer

Drain pump runs continuously. Nothing else happens!


Water had accumulated in the sump - a plastic tray at the bottom of the dishwasher which catches any leaked water. This operates a float switch which makes the drain pump run all the time. The fix was to tilt the dishwasher backwards to drain away the water. It isn't filling up again, so I'm not sure where the water came from, but I'll keep an eye on it!

May 17, 2009 | Bosch Dishwashers

1 Answer

Bosch SHX46A (6 years old) Selected regular cycle, pressed On and closed door. Cycle did not start normally. Pump runs, but no water is coming into the DW. I confirmed the water supply line is turned on....


From your description, I doubt that the problem is door latch is the cause.
The first thing that a modern dishwasher does before it begins to fill with water is run the drain pump.  It appears that this DW is not progressing to the next cycle (inlet water) and because the pump runs even when the door is open, I agree that the controller card may have failed.
If possible, inspect all the wire connections (remove main power before you do this) ... if there is a loose connection, the controller could do odd things.
Good Luck!  Please report back what you find, OK?

Apr 14, 2009 | Bosch Integra® 500 SHX46A0 Dishwasher

1 Answer

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float switch is in the flood position and the drain pump is running.. there is water under the dishwasher or that switch is stuck up..

Aug 19, 2008 | Bosch 24 in. SHU43 Built-in Dishwasher

1 Answer

Bosch SHU43C installed in 2003


My Bosch SHU43C had the same exact problem. I found the below solution on this site. Perhaps you already seen it.

My SHU43C is just over 3 years old. I had a similar problem recently. First, there were a few floods. Then, the Bosch only drained non-stop. Even when I used the Cancel Drain buttons the drain pump would run without stopping. When I tried to run one of the cleaning cycles, no water entered the machine. Corrective: I removed the base plate, and saw that the red plastic floatation device was in the up position. Using a flashlight and a wooden spoon, I lightly toggled the red float stem down. I pushed regular clean cycle and kept toggling with the red float stem until the rinse water started to enter the machine (turning the red stem seems to also actuate a step in the program). Now the dishwasher runs normally. Voila!

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2 Answers

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My SHU43C is just over 3 years old. I had a similar problem recently. First, there were a few floods. Then, the Bosch only drained non-stop. Even when I used the Cancel Drain buttons the drain pump would run without stopping. When I tried to run one of the cleaning cycles, no water entered the machine. Corrective: I removed the base plate, and saw that the red plastic floatation device was in the up position. Using a flashlight and a wooden spoon, I lightly toggled the red float stem down. I pushed regular clean cycle and kept toggling with the red float stem until the rinse water started to enter the machine (turning the red stem seems to also actuate a step in the program). Now the dishwasher runs normally. Voila!

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