In about the last 3 days, the freezer, on my Hotpoint CTF21GAB, is not getting cold enough and food is thawing. The refrigerator portion seems to be cold enough. No ice is being made in the icemaker. This refregerator/freezer is about 15 years old and the only bell and whisle on it is the inside icemaker. I have read a solution to another brand and will try with the basics (clean the coils, look for obstructions). I can hear a fan running, but will pull the frig. out to visually inspect. I am getting a layer of ice on the inside-top of the refrigerator that I did not get before. Could anyone give me some more troubleshooting tips to find the troubled part? Thank you
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Many residential refrigerator / freezers are designed to work at temperature considerably above above freezing. Most modern refrigerator / freezer have a single electric thermostat - located in the fresh food compartment. This lone thermostat will control the compressor to keep the fridge (fresh food) section at the desired temperature (usually between 34 - 38 degrees F). The freezer will get colder regardless of how cold it is already whenever the fridge thermostat turns the compressor on.
Now that you see how the thermostat works, let's look at what happens when the fridge is placed in an unheated space - like a garage. In winter time, the temperature can drop considerably below 38 degrees. If the outdoor temperature remains cold enough, for long enough - it will affect the thermostat in the fridge. The temperature inside the fridge could drop below 38 degrees, preventing the thermostat from telling the compressor to turn on. Meanwhile, the temperature in the freezer compartment slowly rises from the normal -10 to 0 F degrees. It will continue to rise until it is the same temperature as the fresh food compartment or until the thermostat in the fresh food compartment tells the compressor to turn on again. This means the freezer contents will thaw.
If the temperature in the garage is even in the 40 to 50 degree range, the loss of cold in the fridge may not happen often enough to keep the compressor coming on often enough to keep some freezer items frozen solid - such as ice cream. Remember, water freezes at 32 degrees F, other products may require lower temperatures to remain frozen, and could thaw at 28 or other temperature.
Hi.. feel the dividing rdge between fridge and freezer.. is it warm?.. chances are that the little fan at the back of the fridge freezer that helps cool the compressor, has snagged own it's own wire... it's a weak fan, like you get in a computer, but it does a lot of work.. without it, the coolent does not do it's job, which results in your device not cooling things properly
assuming fan now working. clean out vents/ drain holes (make sure no ice in bottom of freezer or in fridge unit)i.e. a total defrost.then check door seals all okay(no air leaks) if unit was trying to defrost itself and you reset to colder it will need to reset itself.....
Could be multiple problems. First, check the freezer compartment and make certain that the freezer fan is running. This fan moves cold air from the freezer compartment to the refrigerator. If it's not running, inadequate cold air gets to the refrigerator.
Your having to defrost manually sounds like there could be a problem with the defroster circuitry; however, check out the fan operation first.
The fan should be at the top of the freezer. There is probably an access panel you can remove to see if it's turning. However, you should be able to hear it if it's turning.
If the fan is not turning, you will need to remove it and replace it.
Je your defrost thermostat, heaters or timer is not working correctly or at all. The freezer has the coils that freeze the freezer and cools your fresh food area. When your defrost does not work these coils become blocked with ice and will not let air from fans pass through!!! Leaving a moderate temp in fresh food area.
It sounds like the motor to the circulating fan is wearing out . This fan is hard to diagnose as it will spin the blade , but as you said it will not spin fast enough to circulate air thru the freezer and refrigerator. The motor is DC non brush type. It will cost a minimum of $300.00 to repair/replace this fan assembly, but it is worth that compared to replacing the refrigerator
It's likely the door was inadvertently left open, and the cold air passages from the freezer have built up enough ice that the cold air from the freezer has no way to enter the refrigerator. Check the cealing of the refrigerator. If you can see or feel ice in the passages between the freezer and fridge, you can probably solve the problem by finding a safe temporary home for your food, and leaving the refrigerator unplugged overnight.
If this is a self defrosting freezer, check amd make sure the evaporator fan motor is running and make sure there is no frost buit up on the back panel. Please let me know if either of these are the case so I can assist you further.