KGV3120GB01 Not Running

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  • November 20, 2006 at 5:08 pm #22715
    Broadband
    Participant

    Anyone help on Bosch F/Freezer motor not running. Have checked motor & overload, there is no power to overload. Have had module tested by QER, even tried a new one. Thermistors appear foamed in. They have resistance, but I don’t know what they should read. Any help appreciated.

    November 20, 2006 at 11:52 pm #195917
    roly16
    Participant

    Re: KGV3120GB01 Not Running

    If it runs and gets down to temp, cuts out and won’t re-start until you switch it off at the mains and then switch it back on again it needs the thermistor by-pass modification doing. If you think that’s your problem I’ll put another post on tomorrow with how to do it. It’s a bit late to do it now.

    Geoff

    November 21, 2006 at 7:40 am #195918
    admin
    Keymaster

    Geoff,
    Please post to me also…
    Thank’s

    November 21, 2006 at 8:56 am #195919
    Broadband
    Participant

    The F/F does’nt run at all. The control panel lights up, everything is normal, but the motor does not start.

    November 21, 2006 at 9:28 am #195920
    Simon46
    Participant

    Re: KGV3120GB01 Not Running

    Have a look here Guys. Search Facility is useful.
    http://www.ukwhitegoods.co.uk/modules.p … v3120gb+01

    Regards
    Simon

    November 21, 2006 at 2:11 pm #195921
    roly16
    Participant

    Re: KGV3120GB01 Not Running

    Thanks Simon, I knew I’d seen it here before but was was just going to re-write it as it was easier than searching for it.

    To sum up; if it’s a 4-wire thermistor connector, cut and join wires 1 and 3 to short out the thermistor. Don’t touch 2 and 4.

    If it’s a 3-wire connector, cut and join wires 1 and 2, but this must be done further back where [black] wire 1, which is a common connection to the 2 thermistors, separates out into the 2 blue wires, one going to each thermistor. You cut wire 2 [dark brown] and the blue wire that forms part of the same thermistor as wire 1 and join them thus shorting out the thermistor. You are effectively doing the same job as if it was a 4-wire connector.

    November 21, 2006 at 5:27 pm #195922
    Broadband
    Participant

    I’m sorry for being thick, but, do you join the plug leads or the thermistor leads after cutting?

    November 21, 2006 at 5:59 pm #195923
    roly16
    Participant

    Re: KGV3120GB01 Not Running

    You join the ends connected to the plug. The pcb then sees a short circuit instead of the thermistor resistance. The thermistor is then redundant; just tape up the ends of its wires.

    November 21, 2006 at 9:41 pm #195924
    Simon46
    Participant

    Re: KGV3120GB01 Not Running

    No probs. Ta for 20Quid. Enjoyed Posh Panini in Alderley edge and treated van to some Fuel 😆

    S.

    November 22, 2006 at 3:12 pm #195925
    Broadband
    Participant

    Thanks Guys, Have been back, all now OK!!

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