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GE Externa Fridge Defrosting issues

GE Externa Fridge Defrosting issues

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Thread: GE Externa Fridge Defrosting issues

  1. #1
    Join Date
    Dec 2014
    Posts
    3

    Default GE Externa Fridge Defrosting issues

    GE Externa Fridge purchased new in 2005, continuously operating.

    Model: GE ESS23XGSBWW side-by-side fridge/freezer.

    Freezer Coils suddenly started icing over.
    Have been defrosted once. They iced over in about 6 days.
    I have been "manually" defrosting until I can fix the problem.
    Once the coils have been defrosted everything seems fine
    (ice maker churns out ice perfectly, fridge is properly cold)

    The question is:

    There are three thermocouples in this model.

    Without just blindly assuming the thermostat is bad or thermocouples
    are out are there any smart things I can look at on the main board in the back
    before I start ordering and replacing parts to better and more accurately diagnose
    the problem.

    I can assume the defrost mode never kicks in so is makes sense the thermostat
    "might" be bad but do I really have to cut the thing out just to do a continuity test
    only to find the part is perfectly good and there might be another problem instead
    (failing freezer compartment thermocouple?)

    What might be the logical first step? Is there a diagnostic I can run? When I rebuilt
    my duet washer it was awesome. Its diagnostic ran through every phase of operation. Anything like that
    that can be done here?

  2. #2
    Join Date
    Feb 2012
    Location
    Canada
    Posts
    2,348

    Default

    Hi,

    do I really have to cut the thing out just to do a continuity test
    only to find the part is perfectly good and there might be another problem instead
    Yes that can happen.....but yours isn't really a defrost thermostat, that one is a safety thermostat to prevent overheating.

    What might be the logical first step?
    Ohm the defrost heater(s) first as the place to start...

    GE Externa Fridge Defrosting issues-defrost-heater-assembly-wr51x10101-01071539-jpg LINK> Defrost heater kit. *Dual heater kit replaces single heater now

    If open, replace them and the stat first. If ok the safety stat is likely ok and we replace the defrost thermistor and board.

    LINK> High limit thermostat for defrost heater

    LINK> Temperature sensor (thermistor)

    LINK> Main control board assembly with installation instructions

    jeff.
    Last edited by jeff1; 12-20-2014 at 03:48 PM.
    http://www.applianceaid.com/
    Appliance Repair Aid

  3. #3
    Join Date
    Dec 2014
    Posts
    3

    Default Sometimes things are easy.

    Removed (single) defroster to ohm, was falling apart. Naturally it failed the continuity test. Disassembly showed the coil was actually broken about midway. Replaced with a dual defrost heater purchased from a local appliance parts store. There was no, shortage of these to be found. This must be a very common fix for these mid-age GE fridges. Has been installed for two days now all seems to be running fine.

    Thanks Jeff!

    Sometimes things are easy!




    Yes that can happen.....but yours isn't really a defrost thermostat, that one is a safety thermostat to prevent overheating.



    Ohm the defrost heater(s) first as the place to start...

    GE Externa Fridge Defrosting issues-defrost-heater-assembly-wr51x10101-01071539-jpg LINK> Defrost heater kit. *Dual heater kit replaces single heater now

    If open, replace them and the stat first. If ok the safety stat is likely ok and we replace the defrost thermistor and board.

    LINK> High limit thermostat for defrost heater

    LINK> Temperature sensor (thermistor)

    LINK> Main control board assembly with installation instructions

    jeff.[/QUOTE]

  4. #4
    Join Date
    Dec 2014
    Posts
    3

    Default Sometimes things are easy.

    Replaced the heater with a dual. All works fine after two days.

    Thanks Jeff!!

    Sometimes things are easy.

  5. #5
    Join Date
    Feb 2012
    Location
    Canada
    Posts
    2,348

    Default

    Thankx for the update

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

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