Will not drain at end of cycle

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Lave-vaisselle Bosch

Informations de réparation pour les lave-vaisselle Bosch.

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David @dteees

Rep: 1

Publié: 15 sept. 2019

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Will not drain at end of cycle

My Bosh dishwasher has been a problem and will not drain at end of cycle I cleared all lines, not solved then replaced the pump, not solved then replaced the pressure sensor, not solved them replaced the motherboard, not solved detached the long part f the drain hose and redirected the short half to drain into a pail, bravo worked then raised the pail and stopped draining again. Seems that any back pressure causes a E25 and will not drain. Can anyone help?

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Has it ever worked correctly? Have you changed your disposal lately?

15 sept. 2019 par mayer

Worked fine for 4 years and we have no garbage disposal. Thanks for looking in.

16 sept. 2019 par David

Have you checked the float at the bottom of the dishwasher make sure nothing is under it?

17 sept. 2019 par Jessica

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Has it ever worked correctly? Have you changed your disposal lately? — mayer
Worked fine for 4 years and we have no garbage disposal. Thanks for looking in. — David
Have you checked the float at the bottom of the dishwasher make sure nothing is under it? — Jessica

Aleš Jeglič @alesjeglic Rep: 25 1 · Answer 1 · 2019-12-16T14:14:00-07:00

It seems that when pump rotation is not entirely blocked but only obstructed, E25 is signaled only on end drain cycle and not on other drains between washing program.

The control board circuitry measure pump electric current load and when exceeded for any reason, it signals E25.

In my case blockage was built from bucket of fibers and/or hairs around steel axis just under impeller caused pump motor needed more power to turn and escalated current.

I couldn’t even imagine how many fibers manage winded around steel pump axis in 7 years and breaking rotation and escalating pump electric current load.

I remove pump after opening down front of dishwasher. After pull impeller together with fix magnet rotor and rotor cover from pump. Then carefully clean axis between impeller and front rotor cover with forceps in small sharp knife.

jdaynard222 @jdaynard222 Rep: 1 · Answer 2 · 2020-08-23T08:03:24-07:00

jdaynard222 @jdaynard222

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Publié: 23 août 2020

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That was exactly what I thought after having the same problem. Thanks for the reaffirmation of my Sherlock thought process. I'll look up pump, impeller access..

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There must be some special coding in the software/firmware for that final drain cycle. It does the short pump pump pump sequence, then beeps w the error code, instead of the normal long strong drain sequence.

If there is a blockage, either in the filter, drain tube or disposal, or the pump cover thing isn’t snapped in correctly, it does the short pump pump pump thing on any drain cycle, like it is testing back pressure but avoiding burning up the pump.

28 juil. 2025 par iPhoned

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Lave-vaisselle Bosch

Will not drain at end of cycle

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