Liebherr Fridge problem

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Viewing 7 posts - 1 through 7 (of 7 total)
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  • July 27, 2016 at 6:21 pm #88902
    simonrobertson
    Participant

    I have a Liebherr KTPes 20D/147 fridge. Recently a problem has occurred. The fridge compressor keeps switching on then off every few seconds. When the door is open the light comes on and off in time with the compressor coming on and off. Operation of the fridge controls is not possible. I have switched the fridge off at the plug. Can anybody help with diagnosis so that I can order the correct part.

    July 27, 2016 at 7:23 pm #439716
    kwatt
    Keymaster

    Re: Liebherr Fridge problem

    To be honest that sounds like a classic compressor failure and if that’s correct, you cannot replace that on a DIY basis as you need gas and specialist tools to do it.

    K.

    July 30, 2016 at 3:27 pm #439717
    simonrobertson
    Participant

    Re: Liebherr Fridge problem

    I am no expert on fridges but I don’t understand if the compressor is faulty ie pulsing on and off why that would cause the interior light to pulse on and off at the same time. My thoughts where that if the door switch was at fault that would directly effect the compressor and light. The theory being that when the door is opened the light comes on and the compressor stops!

    July 30, 2016 at 5:00 pm #439718
    kwatt
    Keymaster

    Re: Liebherr Fridge problem

    Depends on the setup.

    Often the compressor won’t stop running, the fridge fan might usually though. They’re not all the same.

    And I can’t think on any reason the light would pulse in exact time to the compressor running unless it’s been tampered with and wired up incorrectly.

    K.

    July 31, 2016 at 11:39 pm #439719
    Tony R
    Participant

    Re: Liebherr Fridge problem

    Hi Simon, can you supply the full model number as you have left out the 4 numbers after KTPes.
    Regards Tony.

    August 4, 2016 at 6:56 am #439720
    simonrobertson
    Participant

    Re: Liebherr Fridge problem

    Tony
    Model number; KtPes 1750 index 20/147.
    Further to the symptoms already mentioned the temperature display, internal light and compressor all pulse on and off at a rate approximately every second. When I attempt to switch the fridge off there is also a beep noise when I press the on/off button which also pulses with the other items and wont turn the fridge off. I have to turn the fridge off at the plug.
    Regards
    Simon

    August 4, 2016 at 4:29 pm #439721
    Tony R
    Participant

    Re: Liebherr Fridge problem

    Hi Simon,
    From what you are saying, I believe the electronic board is malfunctioning.
    Regards,
    Tony.
    http://www.liebherr-randallrefrigeration.co.uk/

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