Neff Dishwasher Issue

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  • November 3, 2020 at 8:46 pm #98582
    JossyT
    Participant

    Hello,

    New to the forum but thanks in advance for any help.

    Basically my in laws dishwasher has stopped functioning as expected.

    Initially I checked all filters etc and the thing is spotless. The dishwasher itself fills from what I can gather, it pumps out as required but there don’t appear to be enough pressure to turn the arms etc, It just hums away. Nothing is being cleaned on any racks.

    I went through the fault finding process and initially checked the aquastop at the supply side. The filters internally were clear but when the dishwasher is actuated the “solenoid” seems to buzz at a fairly noticeable level. Is it possible that this aquastop is damaged? I did remove it briefly to see and there is an intermittent click from the the unit when the machine is demanding water?

    Otherwise I’m pretty stumped.

    Thanks.

    November 3, 2020 at 9:02 pm #472939
    electrofix
    Moderator

    need 2 things

    model number Enr ????
    serial no FD ???? ??????

    Dave

    November 3, 2020 at 9:11 pm #472940
    JossyT
    Participant

    Hi Dave.

    Model is [h=2]S5543X2GB/44[/h]
    Not so sure on serial sadly. I’ve just left and came home. Apologies.

    November 3, 2020 at 9:23 pm #472941
    electrofix
    Moderator

    my guess would be the impellor has broken or something has blocked it

    its an old unit and have had a few of these go

    https://shop.ukwhitegoods.co.uk/cata…sult/?q=419027

    parts breakdown here

    https://www.neff-home.com/uk/support…on-spareparts/

    if you do do it then replace the seal in front of the motor as well


    you can see the impellor with a mirror in the sump to see if its broken

    serial number would have allowed me to date the machine apart from that i dont need it

    dave

    November 3, 2020 at 9:41 pm #472942
    JossyT
    Participant

    Hi Dave,

    Thanks for the comprehensive reply. Any stand out points I should look for with the impellor etc? I’ll go back up in the morning and have a look.

    Any reason as why the aquastop is “buzzing”?

    November 3, 2020 at 9:47 pm #472943
    electrofix
    Moderator

    the front and back of the impeller part company so all that turns is the rear disk

    Dave

    November 4, 2020 at 6:14 pm #472944
    JossyT
    Participant

    Hi Dave,
    I removed the grey clip to expose impellor and found it to be able to turn but I can push it back and forth. Assume I shouldn’t be able to do this? Cheer
    ​

    November 4, 2020 at 9:27 pm #472945
    electrofix
    Moderator

    if you turn it and the motor shaft doesnt its snapped

    Dave

    November 4, 2020 at 10:03 pm #472946
    JossyT
    Participant

    Yeah exactly what I found. I couldn’t feel any resistance etc. Presume it’s an easy enough fix for replacing the impellor itself like for like then?

    November 4, 2020 at 10:09 pm #472947
    electrofix
    Moderator

    impeller screws onto the shaft

    cant remember if its left or rightr hand thread

    Dave

    November 4, 2020 at 10:21 pm #472948
    JossyT
    Participant

    Thanks for all this help Dave. I’ll remove the kickboard tomorrow and have a look, see if it’s gonna be easy enough to access etc then order the bits. Presumably on the underside of the unit I’ll be able to gain access

    Appreciate all the help.

    Thanks very much.

    November 4, 2020 at 10:28 pm #472949
    electrofix
    Moderator

    it not an easy fix. base is solid so you have to drop the base off but its holding a lot of stuff up

    water inlet has to come off and i think water softener to enable base to come off enough to access. also door springs need disconnecting

    its a take your time and dont pull to hard

    Dave

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