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Thread: Upright Freezer Coils in Shelves - Only One Shelf Cooling

  1. #1
    Nootherids is offline Member
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    Default Upright Freezer Coils in Shelves - Only One Shelf Cooling

    Model Number: UF186S
    Brand: Frigidaire
    Age: More than 10 years

    Unit: Frigidaire Food Freezer 186
    Model#: UF186S (found on plaque inside but even Frigidaire corporate can't identify it)
    Serial#: 31PE 152
    Style: Upright Freezer with Coils in Shelves

    I traced the tubing and it appears the thick tube starts at the bottom shelf and coils on up to the top one where it terminates into a Very Thin metal tube. The freezer has not been used in a long time. I plugged it in and it is working and cooling, but the only shelf that is cooling (and freezing with ice) is the top one. The other shelves are cool from the ambiance created inside the freezer but it doesn't seem that they are actively participating. Because of this even at the coldest setting the freezer is cooling to fridge temperatures at best. Had frozen liquids (like popsicles) turn into icy liquids that are only semi-frozen. The foods at the lower shelves thawed completely.

    I am wondering if this would hopefully be something easy to repair by recharging freon or something like that but I can't find any manuals anywhere on how this system works. And like mentioned above, it seems that the model number has disappeared into some obscure universe cause neither Frigidaire Corporate nor I can trace it to an actual product. Calling a appliance repair person is not an option cause I am tight on funds and I've already met too many shady "technicians" that merely come to your home, feel tubes, turn a few screws, then say it'll all work now try it in an hour, and by the time they leave you realize you just wasted your money.

    I'm adding the following pictures to help get an idea. The shelf shown is the upper one, the only one that freezes and how it ends in a small wire/tube.

  2. #2
    Jake's Avatar
    Jake is offline Appliance Tech - Admin
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    The problem is your compressor has gone bad and not pumping the freon through the system properly any more.(Seen this happen many times) It would cost more have a new compressor installed than its worth.

    Jake
    Appliance Repair School 1987-1988
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  3. #3
    Nootherids is offline Member
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    Is there absolutely nothing I can try? I stumbled upon a used appliance store/repair shop today and briefly described what's happening and they said that I have a freon leak and a lot of Frigidaires have that problem. That to recharge it I would need to "tap" into the lines.

    Is that even a possibility? And how would I go about doing that?

    P.S. I just plugged it back in today in the lowest cold setting and it's up and running with the upper shelf already getting icy and the lower ones just cool. Why is the upper shelf the only one cooling that much? Doesn't the freon have to run through the whole thing?

  4. #4
    Jake's Avatar
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    Sure thats possible, but not likely.

    See doing compressor or sealed system work like fixing a leak requires you to have a turbo torch, gas for the torch, knowledge of how to use and weld with a turbo torch, the proper amount of R-134a(OR R12) to use, changing the Filter Drier as well, solder, flux, silfloss, sandpaper, etc.

    The EPA now requires you to have a license to even do this work now when dealing with freon, I got mine in 1994 when the law went into effect.

    Why is the upper shelf the only one cooling that much? Doesn't the freon have to run through the whole thing?
    Like I said its a compressor issue, if it had a leak none would be freezing.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
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    Nootherids is offline Member
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    Dang Jake...way to put the fear of technical jargon overload into all this. LOL

    Ok, I hear what you're saying: "don't do it yourself!" I'll have a talk with a buddy of mine that is handy with a bunch of weird stuff like this with a whole shop for antiques and all in his backyard and see how he feels about helping. Nothing to loose really since it's already junk if I can't fix it. I just know I'm gonna have a hard time finding the right compressor for it since when I look up that model number it doesn't even register at the Frigidaire headquarters itself. Any other way that I can identify what would be a good alternative compressor for it?

  6. #6
    Jake's Avatar
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    Dang Jake...way to put the fear of technical jargon overload into all this. LOL
    Sorry about that, but have to protect myself and the forum from the EPA sending a nice little letter to me. You know. I have to say it for legality, what you and your buddy do is your choice.

    Ok, I hear what you're saying: "don't do it yourself!" I'll have a talk with a buddy of mine that is handy with a bunch of weird stuff like this with a whole shop for antiques and all in his backyard and see how he feels about helping. Nothing to loose really since it's already junk if I can't fix it. I just know I'm gonna have a hard time finding the right compressor for it since when I look up that model number it doesn't even register at the Frigidaire headquarters itself. Any other way that I can identify what would be a good alternative compressor for it?
    I'd go to a few appliance repair shops and appliance parts stores in your area and explain the situation and see what they advise you to do.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

    Look-Up & Order Parts

  7. #7
    Jpittssr is offline Member
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    Default Cooling systems

    Jake gave you some good advise.
    A cooling/freezing system is a simple but complex system. it has only a few major parts. Compressor, condenser and evaporator. Then you have a thermostat to tell it when to run. SIMPLE. The complex part is how it removes heat. Nope, it don't produce cold, it removes heat. It absorbs heat from the air to the coils. if it don't have EXACTLY the right amount of coolant(Freon) all the coils will not get cold. ALSO, if the compressor has lost some of its ability to pump the freon, SAME RESULT.
    ALSO, if dirt or anything restricts the condenser airflow (heat transfer) result, reduced cooling.
    So you see it can be rather complex.
    Buy a new freezer for your house then take this one to play with and learn about the wonderful world of heat transfer.

    Good luck!

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