Question about Whirlpool Refrigerators
Whirlpool (KIRKLAND Signature ST14ckSHW00)
freezer has ice buildup but the bottom is slightly below room temperature. This has happened before, and I unpack everything and thaw it out; but why does it happen?
There are several reasons this can be happening...
1. The seal on the door may have a tear or may not be seating properly...this allows excess warm air into the freezer compartment and in its effort to remove the same ...frost appears.
2. There is something call a thermistor (which senses temp and ice build up) that is cycled on and off as needed to remove excess frost accumulation and or ice buildup on the evaporator (freezer) coils...it is a heat strip which actually defrost the frost/ice. If this is not working frost will accumulate and eventually it will become Ice......now the remarkable thing about Ice accumulation is that you would think everything would remain cold or get colder ..however in this case the opposite occurs...it insulates the coils and thereby increasing the temperature...put a thermometer...one that is calibrated properly...(calibration can be set by placing a thermometer into a glass of ice water...the temp of a glass of ice water..after a few minutes setting will be exactly 32 degrees)..if the temperature of your refrigerator is gradually rising over the period of a week...you will need to call a tech or replace the thermistor and or trouble shoot other problems that may have occur such as..
3. The evaporator fan may be going out although they usually make a high pitched whining noise of a whirring noise before they go out...not always and if they are intermittently cycling off then frost would build up...do you always here a fan running when you open the freezer...if so that is good...fan is working...but it may be cycling off at times when no one is aware.
P.S. the odds of it being due to overfilling are slim...I have been in the industry for 35 years and that is what freezers do...which a lot of people don't realize is that freezers don't actually cool anything ..they just remove heat and when you remove all the heat all that is left is cold (like in space) and when heat is removed quickly frost can appear like when you blow your breath on a freezing cold window..then right your name....but I digress...any way..if there was an excess of heat due to a lot of new food in the freezer it would correct itself by one of the processes i mentioned above..and it would never result in Ice..you probably have one or more of the problems I mentioned...evaluate how long its been going on...
4. Thermostat could be out of adjustment..and or not functioning
properly..which would delay or inhibit a defrost cycle..from occurring..unfortunately almost all of these problems require a tech...or a good handyman.
5. Another problem is the condenser fan motor may be out...it is under the refrigerator...and can be accessed from behind the refrigerator......be careful as you pull the frig out as water lines are attached...(generally)...if motor is fine..check to make sure there is not a lot of dust and or dirt accumulation around the condenser coils...if there is clean them with a shop-vac ....dirty condenser coils can cause ice build up also...since the condenser removes the heat evacuated from the freezer.
6. And the final problem is ..it could be a restriction in the evaporator line...(though this is rare)...if you pull the cover off of the back of the freezer and find ice in an isolated area of the evaporator...it could be a restriction...it will most likely have ice all over the evaporator.
This should lead you in the right direction...if you need help in finding a reputable service company in your area let us know..I hope this has been helpful..thanks for rating my effort.....The Fang
Posted on Apr 22, 2009
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Posted on Jan 02, 2017
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