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Re: Freezer building up lots of frost, but on lowest...
FREEZERS SHOULD BE TEMP AT O /REFRIGERATOR SHOULD BE 40/FOR PERFECT OPERATION.1ST IS THE FAN RUNNING IN THE FREEZER/IF YES UNPLUG FOR 6-8 HOURS AND RETRY/IF NO UNPLUG THE FRIDGE AND REMOVE THE BACK PANEL OF THE FREEZER MAKE SURE THE FAN IS PLUGGED IN.IF SO PLUG IN THE FRIDGE AND SEE IF THE FAN IS TURNING.IF NOT YOU NEED A NEW FAN IF THE FRIDGE IS NEW MAKE THEM BRING YOU A REPLACEMENT FOR FREE.
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One of the most common problems with freezers is their tendency to build up a thick level of frost and ice that can disrupt performance. The ice can form on the hoses and cause the fan to freeze up. While you want the freezer to be cold, too much ice is not good for the freezer or the food inside it. There are multiple reasons a freezer could start to develop frost buildup.
Freezer Overstocked Frost can build up in the freezer if there are too many items inside of it. Air cannot properly circulate around the freezer, so the areas with the sitting cold air can freeze the moisture. Frost continues to build up and accumulate, which then allows it to spread. If food is stocked up near the fan, cold air can't get past it, and the fan itself could develop frost to the point where it freezes and stops working entirely. This can be prevented by not overstocking the freezer and by evenly distributing food throughout.
Temperature Setting Too Low The freezer should have a thermostat that regulates how cold it gets. If the temperature is set at too low of a setting, the freezer kicks into high gear, the air freezes outright and frost quickly builds up. Adjusting the thermostat to a higher temperature or level can counteract this problem, but you may need to de-thaw the freezer to eliminate the frost that has already built up inside.
Keeping the Fridge Door Open Many people keep their fridge door open for extended periods of time while they examine the contents inside to see what they want to eat. This can contribute to frost buildup in the freezer, because the fridge is taking in a lot of warm air during this process and the fan pushes it up into the freezer. The moisture in that air is then quickly frozen, and ice can build up substantially as a result. The longer the fridge door is held open, the more likely this can occur, so the best solution is to only keep the fridge open for short intervals and then to not open the door again for a while.
Hope this tips will help you. : )
Check your coils underneath the fridge to be sure they are clean.
Check your condensor fan (bottom rear of fridge) to make sure it is blowing air freely.
Make sure you have a good supply in the freezer, All of your cooling comes from the freezer section and a mostly empty freezer will result in more frequent running as ther is not enough stock to help maintian and hold freezing temperatures.
Check your freezer section to make sure there is no visible frost on the back wall of the freezer (down low on the panels behind and slightly above the lowest freezer basket. If you see frost starting to develop it means you have a defrost issue starting and will want to adress it rather quickly. Either a problem with the defrost control board (inside fridge/freezer control compartment) or the defrost thermostat (behind the freezer back panel on top of the evaporator coils).
Hopefully this helps!
All the cooling for both sections takes place in the freezer behind the back wall. A fan back there distributes the cold air throughout the freezer and fresh food section. Every 8 - 10 hours a heater comes on for about 20 minutes to eliminate the frost from the evaporator coils back there. If this defrost cycle fails the frost will build up to a point of no air flow so the fresh food side and most of the freezer start to warm up.
The best way to take care of this is to turn it off and unload the freezer, take the shelves out and the screws holding the back panel inside the freezer out. Remove the back panel from the freezer. Use hot water and a hair dryer to unthaw the ice and frost, you will need lots of towels as the melting will bring lots of water on to the floor. Once the frost is gone you will need to install this part WR51X443. The picture below shows it. The kit contains new heaters and thermostat.
Poor cooling is often the result of a heavy frost
build-up on the evaporator coils. You can't see these coils without
removing a panel on the inside of your freezer. A sure sign that there
is a build-up is the presence of any frost or ice build-up on the inside
walls, floor, or ceiling of the freezer. Such a frost build-up usually
indicates a problem in the self-defrosting system or damaged door
gaskets.The refrigerator is supposed to self-defrost
approximately four times in every 24 hour period. If one of the
components in the self-defrosting system fails, the refrigerator
continues to try to cool. Eventually, though, so much frost builds up on
the evaporator coils that the circulating fan can't draw air over the
coils. There may still be a small amount of cooling because the coils
are icy, but with no air flow over the coils, cooling in the
refrigerator compartment is quite limited.Here's an inexpensive, though inconvenient, way to
determine if the problem is with the self-defrosting system. Remove all
of the perishable food from the refrigerator and freezer, turn the
thermostat in the refrigerator to Off, and leave the doors open for 24
to 48 hours. (Be sure to have several towels ready in case the melting
frost and ice causes the drip pan to overflow). This allows the
refrigerator to defrost "manually." When the frost and ice build-up has
completely melted away, turn the thermostat back to a normal setting. If
the refrigerator then cools properly, it indicates a problem with one
of three components in the self-defrosting system:The defrost timerThe defrost thermostat (also called the bi-metal
switch)The defrost heaterIf it still does not cool properly, there may be a
problem with the refrigerant level or the compressor. You may need to
consult with a qualified appliance repair technician to further diagnose
This appears to be a defrost problem. Either the defrost heater is burned out or the defrost thermostat is defective. Look into the rear wall of freezer for a layer of frost building up that will tell you that there more than likely is a large area of snow and frost building up on the evaporator coil. Once you manually defrost the coils you will be able to see the part number WR51X10038 Defrost Heater. It has a glass tube on the outside so it will be easy to spot if the defrost heater element inside is burned out. If you change the defrost heater I recommend that you replace the defrost thermostat part number WR50X10054 Defrost Thermostat. The defrost controls on your model come from the mother board so the is no defrost timer or adaptive defrost. The mother board make the decision when to defrost. When you are able to unplug and inspect the evaporator coils in back of freezer back wall panel let me know what you find, Thanks Sea Breeze
The problem is ice build up on the back wall. The noise you hear is the fan blades hitting the ice. On the back wall water gets trapped, it then builds up over time, and a big ball of ice forms and blocks the fan. Take off the back wall, defrost the build up and cut the insulation off as above. The water will no longer get trapped and the problem will not come back.