Neff T4742 Induction Hob

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  • #25837
    Remedio
    Participant

    Has anyone had a problem with this appliance?

    I’ve had this hob for 4 and a half years and it’s gone bust.

    The symptoms are it doesn’t think there is a pot on the cooking zone.
    It affects all 4 zones. All I get is the LED readouts flashing , even with a full pot on the cooking zone.
    The fault is not cleared if I disconnect the unit from the power source and repower it.

    I opened the back of the appliance and checked all the connections. Neff
    sent me a wiring diagram but it gave very little information other than the obvious stuff.

    There are 2 power mudules inside the machine. One for the left hand side plates and one for the right hand side. They are supplied with 240VAC.
    There is a central control mudule that is also supplied with 240VAC and takes signals from the two power mudules and the front panel.

    Because the problem affects both sides of the appliance I’m thinking it’s the central controller but this comes in at £200 which is quite alot to fork out if it turns out not to fix the problem.
    The only other module common on the hob is the front panel. but again this is £255.

    Anybody any ideas ?

    #207782
    gegsy
    Participant

    Re: Neff T4742 Induction Hob

    Hi
    Just to eliminate/confirm; you are usng the correct type and size of pan/s for the hob?
    What is flashing and/or displayed in the display when fault occurs?

    Greg

    #207783
    Remedio
    Participant

    Re: Neff T4742 Induction Hob

    Yes , when we got the hob we went through the pain of having to buy a whole new set of pots and pans that were induction compatible. They’ve been working great up until last weekend.

    In fact , i had just put on a pot of water and was sitting in the kitchen reading a paper. I could hear the pot starting to heat up. Then all of a sudden the ‘heating noise’ stopped.

    I looked up and saw the LED display flashing.
    It had been set to 9 (maximum). I did not have the PowerBoost on.
    I went over to the hob , thinking that some water had got on the touch sensitive buttons.
    The hob was dry.
    The LED was flashing beteen 9 and h.
    The fans were running .. not surprising , the plate had been on for several minutes.
    I switched the power off from the front panel. Switched it on again. The LED for that plate flashed 0 and h. I tried to increase the power for the plate but every digit that came up was flashing with h.

    Basically that was it !

    Since then, of course , the h has disappeared because the thing is stone cold. And the fans are no longer running.
    So when I turn it on now I just get the power indication flashing.

    I don’t really think it’s a connection fault .. connection faults normally showup as intermittent faults that clear with a good thump.

    This is like silicon failure.

    #207784
    gegsy
    Participant

    Re: Neff T4742 Induction Hob

    I can only really recommend guiding you to an engineer. These are quite complex units and have as you know, expensive spares; so you need to be definate in the spare that has failed. It will need a diagnostics running to be sure, sorry .
    Please feel free to find an engineer from the link below.

    Just to point out also, that you must power off appliance before working on this appliance. Not only mains voltage present but also high voltage coils within. :zap:

    Greg

    #207785
    Remedio
    Participant

    Re: Neff T4742 Induction Hob

    Thanks , Greg.

    I’ll check your list of engineers. But if I can’t find one in my area
    I guess I’ll just need to bite the bullet and get Neff out to look at it.
    £65 callout charge .. that’s just for starters!

    #207786
    gegsy
    Participant

    Re: Neff T4742 Induction Hob

    Hi
    Some of the guys in the UKW list are BSH qualified, so never fear.
    The BSH call out is very reasonable in all fairness. I know for a fact that some of the lesser quality manufactureres do charge a lot more 😕
    At least if you get an engineer out you will know exactly what is required to repair, it will be cheaper in the long run foryou 🙂

    Greg

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