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Thread: Frigidaire Upright Freezer Not Cooling Properly.

  1. #1
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    Angry Frigidaire Upright Freezer Not Cooling Properly.

    Model Number: LFFU14F5HWH
    Brand: Frigidaire
    Age: 1-5 years

    My frigidaire upright freezer model #LFFU14F5HWH is not cooling properly, a couple of days ago I noticed the high temp. alarm going off, and the bottom shelf and drawer were warmer than the rest, the bottom half food is mushy, and everything up top is frozen solid. I pulled the cover to the evaporator and had a thin layer of frost on the top left corner of the evaporator. I manually defrosted the coil, and removed the food from the bottom half to see if the temperature would pick up about 30 minutes ago and have not checked it as of yet was going to give an hour or so and see where it is at. Not sure if it is a defrost problem or cooling problem, air coming out of vent at top is really cold, and fan is running. Any suggestions on what else to check or possibly what the problem may be would be greatly appreciated.

  2. #2
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    The evaporator coils should have a very thin layer of white frost on all the coils, top to bottom. If you have very little frost on the coils then you possibly have a sealed system issue. If the coils are completely packed with frost and ice you most likely have a defrost problem.
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
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  3. #3
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    After removing the food from bottom two shelves, and removing the coil, it has been running for about an hour, when I checked it just now the coils did have a thin layer of frost on all coils, originally the ice was thick on the first coil, it has yet to cool down enough for the alarm to go off, at last reading it was at 40 degrees F, but I had the door open for a while removing the coil cover. My manual says it should take up to 4 hrs. for the temp. to stabilize, I will let it run over night and see where we stand in the morning.

  4. #4
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    Click image for larger version. 

Name:	2012-03-28_21-31-46_740.jpg 
Views:	375 
Size:	58.4 KB 
ID:	4581 Here is a picture of the coils after about 2 hrs. since I manually defrosted them, I have since removed everything from the freezer, and am going to let it cool overnight and while I am at work tomorrow and see what it does. Note the thicker ice on the top left, is this normal? Is this indicative of a defrost problem? Could this have anything to do with the cooling issue? Any help would be appreciated.

  5. #5
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    The evaporator cover must be on when running. Is the fan working?
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

  6. #6
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    Quote Originally Posted by rickgburton View Post
    The evaporator cover must be on when running. Is the fan working?
    Yes the fan is working, today after work it has cooled down to right around 20 degrees F without anything in it, the defroster appears to be working, there is some ice on coils today, but not what I would say is enough to cause a problem, still don't trust it enough to put anything back, will watch it for a couple of days to see what happens.

  7. #7
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    20*F is not cold enough. After looking at the picture of the evaporator again, and that's about 2 hours of running time after you defrosted it, correct? I looks to me like there's a problem with the sealed system. The frost pattern on the coils should be a very thin coat of white frost on all the coils top to bottom. The thin copper capillary on the bottom left side is where the refrigerant enters the evaporator. It starts out thick and like snow and then gradually there is less and less and by the time it reaches the third pass there is no frost on the rest of the coils. It could be caused by a partial restriction in the cap tube or filter/drier. It could also be an inefficient compressor. Let's see if I can get a second opinion first.
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

  8. #8
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    Yes I read this entire thread and I agree with Rick, sounds like a sealed system problem.

    Check your warranty, some models have up to a 5 yr. warranty on the sealed system/compressor.

    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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  9. #9
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    Click image for larger version. 

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    Yes sir that last picture was taken after about two hours, with freezer half emptied, here is a picture today taken about 5 minutes ago, freezer has been completely empty for 24 hours now, and still not cool enough, I went ahead and shut it down until I can get someone to look at it.

  10. #10
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    Yup, now it definitely looks like a sealed system/compressor issue.

    Let us know what the Frigidaire tech. says.

    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

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