Neff wash pump running slow S5943X0GB/08

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  • January 23, 2009 at 2:06 pm #42835
    Geoff1312
    Participant

    Dear all,

    Called to a Neff S5943X0GB/08 slimline dishwasher. The wash pump is running slow. Is this likely to be faulty pump or faulty PCB?
    Any help would be appreciated.

    Regards
    Geoff

    January 23, 2009 at 2:37 pm #275052
    Martin
    Participant

    Re: Neff wash pump running slow S5943X0GB/08

    Geoff1312 wrote:The wash pump is running slow.

    Not sure what you mean by that Geoff? If the washpump were to run slow then chances are it would burn out pretty quick and certainly not circulate any water about. Does the rotor turn easily by hand? Capacitor OK?

    Certainly not symptomatic of a PCB fault I wouldn’t think? 😕

    January 23, 2009 at 4:43 pm #275053
    Geoff1312
    Participant

    Re: Neff wash pump running slow S5943X0GB/08

    Thanks for your reply Martin.

    Wash pump rotor turns easily and starts turning as soon as powered up. Hence assume capacitor ok. Can hear from lack of noise and see with side panel off that pump doesn’t reach full speed, thus not activating heater and very weak wash action.

    Must admit haven’t tried replacement capacitor. Do you think I should?

    Thanks
    Geoff

    January 23, 2009 at 4:58 pm #275054
    Martin
    Participant

    Re: Neff wash pump running slow S5943X0GB/08

    Geoff1312 wrote:Must admit haven’t tried replacement capacitor. Do you think I should?

    I would stuff in a new 5mf and see what gives to be honest? 😕

    I’ve never heard of such a fault before so anything like this is worth a shot. 😀

    January 23, 2009 at 6:04 pm #275055
    nomadPaul
    Participant

    Sounds like something could be in the impellor of the wash motor – i’d be checking for bits of plastic/clingfilm in the motor

    January 23, 2009 at 8:43 pm #275056
    boselecta
    Participant

    Could it be a blockage in the transfer tube only allowing a very small amount of water to fill so it appears that there is weak motor action.
    I have seen the wash pump run with no water inside when the tube / pressure system are totaly blocked. Just a thought.

    January 24, 2009 at 7:28 pm #275057
    franz
    Participant

    Re: Neff wash pump running slow S5943X0GB/08

    Used to get a lot of Indesits doing this – wash blades going around very slowly – was always the motor

    Franz

    March 3, 2009 at 6:14 pm #275058
    Geoff1312
    Participant

    Re: Neff wash pump running slow S5943X0GB/08

    Hi All,
    Finally resolved problem. Customer took along time to decide on repair, fitted new wash pump + sealing kit. All working fine.

    Thanks for your help
    Geoff

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