Siemens dishwasher – water not heating, machine not stopping

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  • February 27, 2011 at 4:51 pm #61338
    Penners
    Participant

    I posted a question about problems with our dishwasher a couple of days ago. This thread supercedes that one, which was (I apologise) inaccurate (based on my wife’s report – don’t tell her I said that!!).

    Our Siemens SF 64A630GB/08 (FD8209) dishwasher is playing silly games. Two symptoms:

    1. The water isn’t heating (it’s a cold-feed only machine).

    2. It starts its cycle with a pre-wash rinse, empties and then refills for the main wash cycle. It then just runs and runs and runs and….. eventually I end up cancelling the programme with a reset.

    I’ve put my ohm-meter across the terminals of the water heater (it doesn’t have a simple element, it’s an instantaneous water heater unit – this one: http://www.espares.co.uk/part/dishwashe … eous-.html). I get open circuit. Obviously this suggests that the heating element inside the heater unit has failed.

    But I’m puzzled at the non-stop washing. Does anyone know whether this is normal – if the water doesn’t heat up does the machine just keep running indefinitely, waiting for hot water?

    Any ideas and opinions will be very much appreciated. Thank you.

    February 27, 2011 at 5:41 pm #345763
    Specialist01269
    Participant

    Re: Siemens dishwasher – water not heating, machine not stop

    Hi: Your machine is probably waiting for a Signal from the temperature sensor to tell it that the water is up to temperature & to move the programme on, with an open circuit element it can’t get the signal as there’s no heat.

    February 27, 2011 at 11:31 pm #345764
    Penners
    Participant

    Re: Siemens dishwasher – water not heating, machine not stop

    Thanks very much, Specialist01269. I wondered if that might be the case.

    Tomorrow I shall try adding some hot water to the machine myself, just as the main wash fill is starting. If run it on the coolest programme that might just fool it enough for it demonstrate that its programmer is, in fact, working when it gets the correct signal.

    February 28, 2011 at 9:49 am #345765
    Specialist01269
    Participant

    Re: Siemens dishwasher – water not heating, machine not stop

    Hi: That may work but it’s doubtful, don’t condemn the programmer just because this does’nt work.

    February 28, 2011 at 10:41 am #345766
    Penners
    Participant

    Re: Siemens dishwasher – water not heating, machine not stop

    Thanks again, Specialist01269. Siemens agree with you!

    I gave them a call, just to double-check that they feel the fault is likely to be the heater rather than the programmer, and they concurred.

    Now all I have to do is find £100 for a new water heater! 😥

    Thank you very much for your help and advice. Much appreciated.

    February 28, 2011 at 12:08 pm #345767
    Specialist01269
    Participant

    Re: Siemens dishwasher – water not heating, machine not stop

    Hi: Thanks for the feedback, it’s appreciated. If there’s anything your not sure of please let us know & we will do our best to help.


    Andy

    July 9, 2011 at 8:12 am #345768
    such
    Participant

    Re: Siemens dishwasher – water not heating, machine not stop

    my machine is doing a similar thing, although it initially worked on the pre rinse mode and then stuck overnight with 23mins remaining on rapid wash, now it won’t even run on any cycle including the pre rinse.

    Is this due to the water heater or something else?

    thanks

    July 9, 2011 at 9:54 am #345769
    Martin
    Participant

    Re: Siemens dishwasher – water not heating, machine not stop

    such wrote:Is this due to the water heater or something else?

    Could be due to a number of different reasons including a faulty heater. So “something else” may well be the case.

    Get it checked out by a local engineer, you can probably find one by clicking HERE 😀

    July 9, 2011 at 10:01 am #345770
    such
    Participant

    Re: Siemens dishwasher – water not heating, machine not stop

    Thanks, Just found my receipt and pleased to find this has a 5 yr warranty – siemens promo at the time of purchase 😀

    Booked call out on weds next week

    thanks

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