Problems with Hotpoint Ultima Induction Hob

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  • October 18, 2019 at 5:12 pm #96574
    BlinkingF
    Participant

    We have a Hotpoint Ultima oven and induction hob, purchased in March 2016. The tag inside gives the model as HUI611X. The problem is that the two right-hand hot areas have stopped working and show a continuing flashing ‘F5’ symbol. The instruction manual supplied only gives some limited details for the operation of the ceramic hob and surprisingly none for the induction hob. The Hotpoint web site only has the instruction manual for the ceramic hob version and none that I can find for the induction hob.

    Can anyone tell me how to correct the flashing ‘F5’ issue if this is possible or what the problem is or maybe you have tracked down an instruction manual for the induction hob?

    Thanks in anticipation.

    October 18, 2019 at 8:52 pm #463963
    electrofix
    Moderator

    F5 is a communication error between the boards inside the unit

    suggestion is to turn off at the wall, wait 10 secs then turn on again

    if the fault is still there you need an engineer

    Dave

    October 19, 2019 at 7:25 pm #463964
    BlinkingF
    Participant

    Dave,

    Thanks for your post. Turning it off at the wall does cancel the fault but, alas, it does return! I’ve got a 10yr parts warranty on the cooker so for the cost of a Hotpoint engineer, I can get the power boards replaced. Do you know if there are one or two in this model?

    Thanks Again

    October 20, 2019 at 1:40 am #463965
    electrofix
    Moderator

    without looking it up
    most units power 2 rings off one board
    so 4 rings = 2 boards

    but there will also be a control board so its the communication between the control and the power board on one side. it could be as simple as a loose lead or a board change

    Dave

    February 1, 2020 at 10:59 am #463966
    ElleGee
    Participant

    Just for reference, I had same fault on my HUI614 where the two right hand induction hobs had stopped working.

    Hotpoint engineer replaced the main board which he told me drives all four hobs, and that fixed the fault.

    I have extended warranty on parts and labour.

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