John Lewis Fridge stops cooling the fridge after a while – HELP PLZ

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  • #99758
    amebb
    Participant

    Hello
    I have a issue with my John Lewis frost free free fridge freezer – Model no – JLFFW2001

    The issue is that after a while the fridge stops cooling. From the temp it should be the temp can rise to room temputure etc.

    to fix this issue, i have to switch it off and then remove the food draws in the freezer.
    Then i will open the top part of the freezer where the cooling matrix is.

    the matrix has ice frozen on it and the fan that circulates the air to cool the fridge cannot do that, as the ice has blocked the two ports which push cold air to the friudge section above.

    The fan that pushes the air is working ok and i can hear it run.

    So, after i have removed the ice the fridge will keep a steady temp for a few weeks – this really depends on how many times the fridge door has been opened and closed etc.

    Any help would be so much appreciated.

    Thank you

    #477788
    electrofix
    Moderator
    #477789
    amebb
    Participant

    electrofix wrote:first thing to check is the defrost heater

    very likely this one
    https://shop-stag.electrolux.co.uk/fridges-freezers/fridges-freezers/feet-housing/fridge-freezer-defrost-heater/p/2142142096

    Dave

    Thank you Dave.

    I have a check list of things to check in the frdide. the heater is one of them. I will do that today and report back with the results.

    thank you

    #477790
    amebb
    Participant

    electrofix wrote:first thing to check is the defrost heater

    very likely this one
    https://shop-stag.electrolux.co.uk/fridges-freezers/fridges-freezers/feet-housing/fridge-freezer-defrost-heater/p/2142142096

    Dave

    UPDATE

    yesterday i had to defrost the fridge. i switched it off and open the freezer section to then use a hair dryer to defrost the ice that had collected.

    I also took the time to test the following items that i thought could have been faulty.

    The heater was tested – there was continuity across the points so that was a good sign.
    The temp sensor was tested too – it showed a reading of 5.1kohms at normal. i then placed the sensor in to a glass of iced water. the resistance incresed to about 10k
    the fridge freezer over heat protection was tested. I have two sensors and both showed continuity.

    So, please give me your feed back if you can on the results above. I am not sure what else i can try next?

    The fridge section and freezer section are working fine at the momenty. but this lasts for about 2 or 3 weeks before it starts to warm up the fridge. Obviously, the more the doors are opened the quicker there will be ice build up. so this fridge is just a spare fridge for cooling beer in.

    Thanks for your help.

    #477791
    electrofix
    Moderator

    sensor should be 8700 ohm at 0 degrees and 5348 ohms at 10 degrees

    take a really good look at the door seals as if they are not in contact all the way round moist air can get in

    Dave

    #477792
    amebb
    Participant

    electrofix wrote:sensor should be 8700 ohm at 0 degrees and 5348 ohms at 10 degrees

    take a really good look at the door seals as if they are not in contact all the way round moist air can get in

    Dave

    Hi Dave. Thank you for your reply. The door seals are really good and not letting in any warm air etc.

    I have had the fridge running since yesterday and its at a steady 4 degrees C…. but i know as soon as i start to open it etc over 2 or 3 weeks (or sooner) i will get frost build up.

    Thanks

    #477793
    electrofix
    Moderator

    the only other post i can see is as below

    Dave

    #477794
    electrofix
    Moderator

    just a long shot but have you got the rest of the fridge info

    complete pnc number and serial no

    Dave

    #477795
    amebb
    Participant

    electrofix wrote:just a long shot but have you got the rest of the fridge info

    complete pnc number and serial no

    Dave

    Hi Dave sorry for the late reply but here is the rest of the info on the fridge.

    model – JLFFW2001
    sno – 53000071
    class SN/N/ST
    NR Pro – 928405948

    type – 8406958

    Hope that helps ?

    Thanks

    #477796
    electrofix
    Moderator

    said it was a long shot
    there is a tech bulletin re a faulty temp sensor but was only fitted between serial no’s beginning 305 to 307. yours starts 530 so is well out of that range

    Dave

    #477797
    amebb
    Participant

    electrofix wrote:said it was a long shot
    there is a tech bulletin re a faulty temp sensor but was only fitted between serial no’s beginning 305 to 307. yours starts 530 so is well out of that range

    Dave

    Thank you Dave for your help.

    So far the fridge is keeping a steady 5 degrees C…. its been about a week now. Having said that the fridge has not been opened much.

    Thanks

    #477798
    amebb
    Participant

    Hi
    Just wanted to know if there is any technical guides online to help diagnose what the issue is with my fridge?

    Thank you

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