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Hi On a GE fridge bottom mount freezer--cooling coils icing up-- defrost thermostat & heater are okay--main control board has been replaced twice.Fresh food side is too warm--electronic temp. board says 33 degrees f. but thermometer showed 50.Damper control is letting air flow in.Model # of fridge is PDS22MBPBBB.Also comp- ressor is cycling on & off.Even when fridge was de-iced--fresh food never gets colder than 50 degrees F. Rene

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  • Rene Matz Nov 02, 2010

    Hi

    Sorry, I forgot to mention the sensor was replaced.Yes it seems like two problems with this



    fridge.I,m wondering whether or not the air damper isn,t working right And yes--best to solve one



    problem at a time.Harder to do in this case--I,m 60 miles away.I,ll keep at it.



    Thanks'' Rene

  • Rene Matz Nov 02, 2010

    Hi

    I talked to the guy,s wife this morning--she thinks her husband didn,t do a complete de-icing



    with the fridge before he had me check it.Its probably the reason for such a high temp.in fresh



    food section--leads back to problem with defrost cycle.Service tech from store they bought



    fridge from(5 yrs. ago) checked fridge a few weeks ago--he replaced main control boards



    twice plus the temp. sensor.I referred couple back to him as parts should be on warranty.



    Also I don,t believe he had the back panel off in freezer section to check heater & defrost



    thermostat.Its quite a job on that model--I unplugged fridge--disconnected defrost connector



    from main control board & checked with ohm meter between it & prongs on service cord.



    I,ve picked up bad heaters that way.I prefer to get right to heaters themselves.



    Thanks. Rene

  • Rene Matz Nov 03, 2010

    Yes I will check the fridge again if store,s service tech doesn,..t find the problem.Thanks again for your help. Rene

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  • 43,501 Answers

Hi,

I don't see where you have changes the temperature sensor.
They do go bad and when that happens the board can get a false reading and think the fridge is colder then it really is. Then it does just what you are describing...

I would change it and see what happens...

I am still a bit concerned about the icing problem though... seems like you may have two problems...but I would get them one at a time and do the sensor first...

Here is the sensor for you unit

heatman101

Posted on Nov 02, 2010

  • D. Floyd Kolb
    D. Floyd Kolb Nov 02, 2010

    Hi,

    That does throw a wrench in things... It is not right that a new sensor and new board are that far off temperature wise...this unit cannot be that old... I would call the GE and scream till they got it fixed for nothing!!! Tell me that you will tell every friend you have and everyone that will listen not to buy their products.... that will sometimes get their attention...sometimes you will have to ask for a supervisor because the people you get first are just the peons doing the dirty work...
    With different furnace problems I have often had people call the factory directly and get things that I as a dealer could never get....they seem to listen to the consumer when they threaten to bad mouth their products...

    I hate to say this.... but you have a lemon there and you should have some type of recourse....

    Keep pushing!! There are some really funny things going on there that have no rhyme or reason to them...



  • D. Floyd Kolb
    D. Floyd Kolb Nov 03, 2010

    Hi,
    I would make sure to get a complete defrost on that and then I woudl pull the back and check the heater. I believe that the heater on that is an infrared light... we both know how dependable that can be....
    I also think that you can jumper that light at the main control board also...makes it much easier to check it.
    Also some of the GE models do not run a long enough defrost cycle to completely defrost most of the time and they slowly build up...nothing you can do the timing is built into the board...

    heatman101

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First unplug the unit from main power outlet. Then empty whole unit completely. Then keep both the doors open. Wait for 24 hours. All the ice collected on the coils and in the freezer section will get melted. Clean the water from the sections. Then Connect the power cord of the unit to main power outlet after 24 hours/.Then set the temperature to normal in both fridge and freezer section. It will take near to 4 hours to get run in its proper cooling cycle. Then check, if the problem returns again. Then its defrost board problem. -------------

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Try manual defrost reset procedure: ----

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--------------------

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-----------------

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