Bosch 24 in. SHU43 Built-in Dishwasher Logo
Posted on Dec 17, 2009

PUMP WILL NOT STOP WHEN YOU PUT POWER ON . PUMP STARTS AS SOON AS YOU PUT THE POWER ON TO PICK A WASH PROGRAM EVEN BEFORE THE DOOR HAS BEEN CLOSED.

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  • Contributor 5 Answers
  • Posted on Dec 27, 2009
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Joined: Dec 27, 2009
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I have seen this on my unit. There was water in the drip pan under the dishwasher. Water in the drip pan comes from a leak. In my case, the water valve was getting so old that it was letting too much water into the unit when it was trying to fill. This cause the filling station to over flow into the drip pan.
A quick fix - I removed the water from the drip pan under the unit and I was able to turn down on the supply valve in the basement to limit how much water could come in. This allowed the unit to run without overflowing. I will replace the water valve soon.

Other possibilities, the float device used to detect too much water in the drip pan or too much water in the unit is stuck in the too full position. Or the pump out pump is stuck and not moving water.

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Machine doesnot start

It is possible that the machine does not start off the cycle because there are errors due to feedback from the inputs. For the program to start up the main program controller must initiate the INLET/MOTOR/DRAIN pump/ valve to open up and allow each function to be driven starting from the flow of water into the drum as also the drain valve to open to exit the water at the point of the program cycle. If this does not happen then the voltage at the valve/motor/pump must be checked or the fault relates to no voltage from the controller. This means the controller is a suspect.

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Machine starts on normal wash then skips rest of prog and stops un emptied

The fault relates to a suspected program controller unit as it seems to skip the program but it also points out to a drain pump that does not work even with power from the controller. If there is intermittent power to the drain valve/pump then the program controller unit is a suspect.

Cleaning a pump: http://www.youtube.com/watch?v=zKjKi50YBpI&NR=1&feature=fvwp

Replacing the pump on a Bosch machine, please check this link for tips:

http://www.espares.co.uk/advice/washing-machines/a/7/1373/how-to-replace-the-pump-on-a-washing-machine-.html

Thank You for using fixya


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Washer makes very loud humming noise in spin cycle but does not spin..I removed clothes thinking it was very heavy and it did spin out but when I put clothes back it returned w/no spin and loud noise..now...

Either the control board or the motor has gone bad. Here is the diagnostic mode to run to look for the errors.
The diagnostic test is performed by using the Program Knob. To START THE TEST: • On non-digital display models, turn the Program Knob to start position, Drain/Spin. • On digital display models, turn the Program Knob to start position, Touch Up. • Press Pause/Cancel to turn off LEDs. • Within 5 seconds, press and hold the Option and Pause Cancel buttons until LEDs start sequentially chasing, then release buttons. 1. All the LEDs will sequentially light. Pressing a button below a light cluster will light all the LEDs in that cluster at one time to confirm functionality. 2. Turn the program knob (1) click clockwise from the start position. The hot water solenoid will activate and hot water should enter through the detergent compartment. 3. Turn the program knob (2) clicks from the start position. The bleach water solenoid will activate and cold water should enter through the bleach compartment. 4. Turn the program knob (3) clicks from the start position. The bleach and the wash water solenoids will activate and cold water should enter through the softener compartment. 5. Turn the program knob (4) clicks from the start position. The door lock solenoid will activate. 6. Turn the program knob (5) clicks from the start position. The door lock solenoid will deactivate and the loading door can be opened. 7. Turn the program knob (6) clicks from the start position. The washer will fill and tumble. 8. Turn the program knob (7) clicks from the start position. The washer will fill and spin (leakage test). 9. Turn the program knob (8) clicks from the start position. The drain pump and door lock solenoid will activate and the washer will operate in high spin. SAFETY WARNING: If power is removed during this test, the door can be opened. To prevent injury, DO NOT put your hands inside when the tub is rotating. 10. Turn the program knob (9) clicks from the start position. The control will signal the last error code.
Repost the error codes here.
1helpful
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Hi my washing machine door wont open, feels like the lock has broke ??

hi have you tried turning machine off at plug for a min then power back on put on a cycle press start. wait till it starts to fill and press stop and hold down the reset button till it beeps and wait till door unlocks. Or a quick way to open the door is unclip the foot kick stopper at bottom front of machine and pull the emergency door open which is a thing peace of hanging plastic. if none of this works try starting a cycle then press stop soon as it starts to fill and turn off on machine not at plug. hope this helps.
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I have an ASKO D3250 and it has recently started making a loud noise from the pump area. It starts as soon as the cycle begins and doesn't stop even if you open the door. It seems to stop about 90 seconds...

All power and sounds should stop when any dishwasher door is opened.
Your door switch may be stuck causing it to continue.
The 90 second sound at the beginning of the cycle is the water pump extracting any residual water before taking on clean water for the wash cycle.
Any excessive noise from the drain pump could be debris in the pump. e.g. broken glass.
You can remove the pump and check it for blockage or any foreign object.
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Can you add clothes to washer after cycle starts?

Not really. Even if it lets you it will pump out the water first. This kind of defeats the purpose. If it didn't pump out the water it would spill on the floor.
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ckd for something stuck in pump newer models have a low torque electric pump easily stalled by lint or even tooth pick
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try pushing the door closed again, i have a problem with my machine that when i put a load on it starts then stops the light starts flashing then i firmly push the door (at the handle side) and it starts to work again, it might help!
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