Bosch SGV 43A03GB spray arm ? problem

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  • January 5, 2008 at 2:36 pm #33422
    trialuser
    Participant

    Hi – the bottom spray arm on the above dishwasher does not turn.
    I have checked and cleaned the arms – OK
    I have checked and cleaned the filters – OK
    The middle spray arm rotates fine so I assume water pressure is ok – there is plenty of water filling.
    The bottom spray arm rotates freely by hand.
    I have put a video camera (in a plastic bag) in the dishwasher and filmed with the lower arm removed – there does not seem to be any water spouting from the outlet.
    Questions are –
    Are the centre and lower spray arms fed from a common pipe.
    Is there perhaps a valve which is not opening in the supply to the lower arm.
    I have read the faq and am I right in assuming if it were a motor capacitor problem – the middle spray arm would also be affected.
    Any ideas as to what is wrong.
    About how much for an engineer to diagnose and fix.
    Thanks for your help
    Martyn.

    January 5, 2008 at 4:17 pm #238570
    Penguin45
    Participant

    Re: Bosch SGV 43A03GB spray arm ? problem

    If it pumps through the middle rotor, there’s nothing wrong with the circulation pump. The fault will be the alternator unit on the heater assembly. This switches the water between the rotors and has jammed in the “top feed” position.

    Replacement is the only solution, you will need the entire heater assembly; p/no 483257 – an email to spares@ukwhitegoods.co.uk for prices and ordering if you intend to do this yourself. You might want to think about that – it is a complete s@d of a job, involving removing the cavity from the base.

    Power off if you are feeling brave.

    Penguin45.

    January 5, 2008 at 5:33 pm #238571
    gegsy
    Participant

    Re: Bosch SGV 43A03GB spray arm ? problem

    Just to add to Mr P 😀 On rare occasions, it has been known for the said unit to damage the module aswell. Just to give you the worse case scenario 😕

    Greg

    January 6, 2008 at 1:09 am #238572
    trialuser
    Participant

    Re: Bosch SGV 43A03GB spray arm ? problem

    Thanks for the expert and prompt replys. The boss has decreed that we will have a new one –
    http://www.coopelectricalshop.co.uk/pro … V46M43GB-W
    should be here on tuesday according to the website.
    If anyone wants the old one to play with they are welcome to it – it’s going to the tip otherwisw – I’m near Didcot in Oxon.
    Thanks again
    Martyn.

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