Got a Bosche Dishwasher that doesn't drain or make a sound when I try to cancel drain. When I press both buttons to cancel drain then close the door, the machine doesn't make any noise. I assume the solenoids are not activating or it's not gettin the power to start the pump or know to start draining. The Hose, airgap and stainer are all clear. There is nothing obstucting the drain flow.
The two buttons you are required to press simultaniously to cancel drain will start to blink at the same time when I depress them while powering the DW up. They continue to blink whether I close the door or not. No noise comes from the mach. either way.
When the DW is in the power "on" postion, the Drain bypass buttons will not light nor do anything when depress simultaniously. It is only when I turn the machine "off" and then back on while pressing both buttons that I will
get them to start blinking simultaneously, hoping to engage drain. While they are blinking, I close the door but nothing happens. No noise like a clog or obstuction. Just the lights continue to blink. I can turn the power off and back on, and that clears the blinking lights.
I can run a wash. but can't get it to engage the drain bypass cycle. or pump water out.
Why are the lights blinking? Why can't I hear the pump or solenoid engage or try to start draining (as thought a object is stuck in the propellers?) Is there a reset to the drain motor or a fuse?
Can I put a volt tester on terminals to check pump or solenoid activation at the point of connection?
I had a similar problem and called out an engineer. When he ran it on rinse it worked fine. Said the micro chip had got confused because I kept pressing buttons. Worked fine for a few weeks and has started playing up again. I have reset it again and hope for the best!
When you said "I can run a wash", does the machine act normal for that time frame up to the point of drain? if yes, the pump is fine. sounds more like the micro chip on the board is "confused", but not sure why.
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One of the reasons for motor not draining during normal cycle is the check valve is stuck. It is meant to return to normal during drain cycle but close during wash. I think the cancel is resetting it and letting water out.
See this discussion.
Have you tried canceling the cycle? To cancel, turn the on/off switch to on, then press and hold for three seconds the two buttons labeled "Cancel Drain". Keep the door closed for the next minute so that the dishwasher can complete the cycle. During this time the pump will remove any water from the washer. Also you will notice that Bosch dishwashers always leave a little water in the system to keep the seals from drying out and going bad. Hope this helps
Open the door.
Within 3 seconds press the following sequence --Try pressing normal wash,
heated dry, normal wash, heated dry, normal wash, heated dry three times within
6 seconds and then press cancel to reset the dishwasher. If that doesn't help
then try pressing Saini
Rinse, Heated Dry, Saini Rinse, Heated Dry, Saini Rinse, Heated Dry or Saini Rinse, Air
Rinse, Air Dry, Saini
Rinse, Air Dry 3 times in 6 seconds and then the Cancel Button. Close the door
and press Cancel.
Blinking lights would stop and should be able to use your dishwasher normally.
If the light is still blinking try and reset the power to the dishwasher and
try again. If still the light is blinking then check for the connections on the
keypad, it may be due to moisture or shorted connections on keypad.
helps... Please post back if you need more information.
Found this on the Bosch website..... see 2nd to last step
The Cycle Completion Signal
This Cycle Completion Signal is a tone that sounds to alert you when your dishwasher
finishes washing and drying your dishes. You can either disable the tone or set the volume.
· P ress and hold the right “Cancel Drain” button then press and hold the On/Off button.
· When the light on the “Cancel Drain” button you are pressing illuminates and the tone
begins to sound, release both buttons.
· P ress the right-most “Cancel Drain” button until the tone is either at the desired volume
or is silent.
· P ress the On/Off Button. The Cycle Completion Signal is now set.
ok sounds like a drain promblem love your do it your selfness but one thing you must keep in mind its under warrenty and if you mess with it you could void your warrenty if you have a cancel drain option try that if it still doesnt drain call for service