Whirlpool(Bauknecht)Dishwasher GSF4872-drain pump won’t stop

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  • December 29, 2005 at 5:08 pm #14366
    volvomec
    Participant

    and therefore the programme cycle doesn’t move on…


    There must be some sort of sensor that tells the dishwasher when it is
    empty of water and can switch off the drain pump. I have checked
    the diaphragm valve and it is ok. Could it be the “probe feeler” or
    does any one else have any other suggestions ?

    Is there anywhere a service manual can be downloaded/bought on line ?

    Thanks in advance, Mark…

    December 29, 2005 at 6:51 pm #159167
    Penguin45
    Participant

    Re: Whirlpool(Bauknecht)Dishwasher GSF4872-drain pump won’t

    Undertray flooded, flood protection switch activated by polystyrene float. Drain undertray to reset switch, find the leak.

    Power off if investigating, or click the link below for an engineer.

    Regards,
    Penguin45.

    December 29, 2005 at 7:20 pm #159168
    volvomec
    Participant

    Re: Whirlpool(Bauknecht)Dishwasher GSF4872-drain pump won’t

    Checked the polystyerene float switch with a multimeter and it is OK. There is no leak and I have had the bottom off and no obviousl signs of any problem. Any other ideas ?

    Thanks, Mark…

    December 29, 2005 at 7:34 pm #159169
    Penguin45
    Participant

    Re: Whirlpool(Bauknecht)Dishwasher GSF4872-drain pump won’t

    Probably pump triac on computer board gone o/c in that case. Nasty – board is £140 from memory. P/no 4812 214 78136 should you wish to order – contact spares@ukwhitegoods.co.uk for confirmed prices and availability.

    Regards,
    Penguin45.

    December 29, 2005 at 7:43 pm #159170
    volvomec
    Participant

    Re: Whirlpool(Bauknecht)Dishwasher GSF4872-drain pump won’t

    Thanks for your help – will check it out.

    As a matter of interest, what is it that detects that the dishwasher is empty and that the pump should be swithed off – is it the diaphragm switch ?

    What does the “feeler probe” do ?
    Regards, Mark…

    December 29, 2005 at 7:48 pm #159171
    Penguin45
    Participant

    Re: Whirlpool(Bauknecht)Dishwasher GSF4872-drain pump won’t

    Diaphragm switch controls water level by air displacement, feeler probe is the NTC temperature sensor.

    Regards,
    Penguin45.

    December 30, 2005 at 8:54 am #159172
    volvomec
    Participant

    Re: Whirlpool(Bauknecht)Dishwasher GSF4872-drain pump won’t

    OK so what is it that tells the dishwasher when it is empty and the drain pump can be stopped ?

    Mark…

    December 30, 2005 at 9:38 am #159173
    Dave_Conway
    Participant

    Re: Whirlpool(Bauknecht)Dishwasher GSF4872-drain pump won’t

    volvomec wrote:OK so what is it that tells the dishwasher when it is empty and the drain pump can be stopped ?

    penguin45 wrote:Diaphragm switch controls water level by air displacement

    😉

    December 30, 2005 at 3:54 pm #159174
    volvomec
    Participant

    Re: Whirlpool(Bauknecht)Dishwasher GSF4872-drain pump won’t

    It was the drain pump triac, but I managed to replace just the component and not the whole control board.

    Thanks for your help, Mark…

    February 5, 2006 at 5:34 pm #159175
    Dave C
    Participant

    Re: Whirlpool(Bauknecht)Dishwasher GSF4872-drain pump won’t

    Penguin – you is de man 😀
    just found your ‘drain the tray’ post after 4wk of fretting.
    Worked first time. Thanks mate :D:D:D

    Turned out to be the inlet pipe to the salt pot. Jubilee clip slid down and water filling the drip tray, should some poor unfortunate have to go through this again 🙂

    D.C

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