Belling DW no heat

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  • July 18, 2017 at 4:05 pm #91709
    DDDave
    Participant

    Hi
    We have a Belling Dw 444445898 and it won’t heat. We have replaced the module and thermistor but no luck. We can bypass the relay on the module and get the Dw to heat, proving that the element and heat pressure switch are working.
    Does anybody have any ideas?
    Thanks

    July 18, 2017 at 5:28 pm #449021
    Seamy
    Participant

    Re: Belling DW no heat

    Thermister faulty perhaps, depending on which IDW604 it is, one had sensors on door 2 ‘stats & an NTC as far as I remember, on another belling dishwasher there was a switch on a hose between wash pump & heater, if not enough water pressure was achieved it wouldn’t heat.

    July 21, 2017 at 4:20 pm #449022
    DDDave
    Participant

    Re: Belling DW no heat

    Thanks Seamy, We tested the original Thermistor and it was ok. We replaced it just in case. We have tested the system and have found no fault with any parts or wiring. When we bypass the module the machine heats. We have replaced the module but still no heat. We have the same problem with the original module and replacement. There are no fault codes coming up.

    July 21, 2017 at 4:59 pm #449023
    Seamy
    Participant

    Re: Belling DW no heat

    Did you check if there was a switch on the hose at wash pump that controls heater?

    July 21, 2017 at 7:38 pm #449024
    DDDave
    Participant

    Re: Belling DW no heat

    Seamy wrote:Did you check if there was a switch on the hose at wash pump that controls heater?

    There is a switch and it switches under pressure.

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