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Question DetailsAsked on 7/19/2014

What causes ice to accumulate at the bottom of my upright freezer?

Water seems to have leaked to the bottom and is frozen. Also, there are small ice crystals on the surfaces inside the freezer. It is usually cold and dry on these surfaces.

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3 Answers


Could be as simple as food or mold in the drain tube to the catch pan under the freezer. Some can be accessed at the back bottom of the freezer compartment but some only can be gotten at by removing the back panel in the freezer. There may be a few that I have not seen that can be gotten to under the unit after taking out the bottom front screen but I doubt it.

It may be that the timer for the auto defrost function or the heat strip has burned out also. Unless you are very handy you should look in Browse Projects under Home and then Appliance repair and have some one look at it. If you give them the make and model they could possibly make sure they have the parts on the truck so as to possibly save a bit of money.


Answered 5 years ago by ContractorDon


I am going to take the other route from Ben - I think he was thinking a freezer compartment on an upright reefer - I am going to presume you mean an upright freezer - all freezer, no reefer portion:

First thing to check is that the door is closing all the way, and the door seal has not ripped or broken. Most common cause of this sort of thawing is probably something sticking out and just barely touching the door, so it looks like it is closing but actually is leaving a small gap.

And remember to assumethat anything that was in there may have thawed (perhaps several times), so cook accordingly.

If you have water icing in the bottom, it is getting above freezing at least part time - check your thermostat setting with a freezer thermometer - could be freezer thermostat has started developing a bias and needs to be adjusted, or is going out completely (commonly the relay) - or has the power to the freezer been inadvertantly turned off - power outage, someone throwing or tripping the breaker on that circuit ?

If the type with exposed cooling coils, they need to be cleaned periodically or the refrigerant will not get as cold as it should, and ends up heating the freezer. Overheating coils or compressor can also heat up a freezer enough that the part near them goes above freezing and melts the stuff inside, at least in that area. In fact, the more that happens the harder the freezer works to try to cool down, which heats it up more, so it works harder - you wind up with it short-cycling (turning on and off frequently) and staying on for long periods, which will eventually cause premature failure of the compressor. Read manual on how to clean your coils - should be done about yearly in normal areas, at least every couple of years if out of traffic and dusty/carpeted/pet areas.

As for the frost - once you have free water in the freezer, it will evaporate tillthe inside air reaches near 100% humidity - and in a closed environment like a freezer it will then recondense as frost on the inside of the freezer, generally most noticeably where the coils are embedded in the walls of the freezer. Since you have the frost, your freezer appears to be running a bit warm (should be about -10F for a normal freezer, -40 for a deep freezer (which most people do not have as it requires special packaging of all the food to prevent freezer burn), so check the above causes.

If can't resolve it, then Search the List under Appliance Repairman.

Answered 5 years ago by LCD






Answered 5 years ago by AUDREYCRAMOND

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