Fridge seems to be fine but the freezer frosts up, freezer alarm goes off until you reset (goes off again in 1 hour) or unplug at mains (stops for 5 hours). THe technician has been round several times & replaced front electronic panel where you adjust the temperature, freezer seal but problem is stil there. I defrosted the 'frost free' freezer several times but it re-frosts within a week... the alarm is driving me crazy... any ideas?
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Leaving the freezer door open for extended period of time could have caused the evaporator to freeze up and prevent cold air being driven into refrig compartment. Unplugging it for 24 hours will give it a great chance to unfreeze. You can also check the freezer temps before you do this - bet they are no where close to the ideal of zero degrees since the ice buildup is an insulator and prevents the freezer compartment from going down to the correct temps. And if the freezer is not at least 10 degrees or less your ice maker, if you have one, will not work since it has a thermostat that only cycles the ice maker at 10 degrees or less.
You have a defrost issue causing frost/ice accumulation on the back panel of the freezer and stopping air flow across the low side. When this happens the air flow is stopped to the fresh food and its gets warmer by the day until it is finally defrosted. What is your model #???
To fix up a frosted up vents, I had a control board replaced for $180. Then 6 months later, the bottom freezer frost up AGAIN. rather than dumping more money to fix it, I was about to buy a new fridge, but had a crazy idea: I disconnected the water to the freezer, bought plastic trays for ice cubes for $3 at walmart. Fridge has worked like a charm for 6 months. no signs of frost. Saved $1000's.
you will need to defrost it. the freezer is what keeps your fridge cool. the vent where the cool air goes up to your fridge is sealed or frozen.
unplug the fridge and open the doors and let it defrost.
plug it back in after a few hours and it should be working again.
I think it's the freezer fan that stopped working,open the freezer and see if it goes you should hear it running and even see.This fan allows the cold air into the fridge compartment,without it it takes ages for the fridge to get cold.I've got the same problem if you find the motor online let me know on firstname.lastname@example.org
your defrost cycle is every 10 to 12 hours depending on how old the defrost timer is. if your building up frost on rear wall of freezer section then your problem will be that your units defrost cycle has failed. you turning it off lets the frost melt in return you are restoring air flow over the evaporator. ohm out your defrost heater and defrost bi-metal. could be defrost timer.
My husband left the freezer door open a couple of months ago, causing ice to form. The loud rattling noise was the fan hitting the ice. The reason why the temperature started to rise but the noise stopped was because the fan had got stuck in a block of ice and was no longer working. Simple solution - defrost the freezer for 24 hours. Touch wood, it is all working fine now!
Try finding the defrost timer and slowly click by click turn it just until the compressor stops. let it finish the defrost cycle. Let it run for about 3 hours then do it again. Sometimes if the frost builds up too much the defrost system can't handle it. If you can't find the timer, take out the food, unplug it and leave the doors open for at least 24 hours. Then plug it back in. It can take up to 10 hours to cool down completely. Use a thermometer. you should be around 38 degrees in the fridge and between 0 and 10 degrees in the freezer.
I just went through this with my refridgerator and actually posted one of the questions. Here is what I found ........
In the freezer compartment behind the panel there is an evaporator fan which pulls cold air from the freezer and pushes it up into the refrridgerator compartment. If the fan is not working it is one of three things.. 1) there is so much frost in the fan area the fan blade is stopped and cannot push the cold air into the refridgerator compartment or the air channel is blocked. 2) there is no electricity going to the fan (usually tied to the door switch of the refirdgerator compartment, and 3) the motor is dead and will have to be replaced.
Solution to #1 - defrost but there is another problem in the "frost-free" part of the system which must be addressed or the frost will return and it will happen again in the future.
Solution #2 - check to see there is power to the fan. (most are 110VAC but some are 100VDC. Use a meter and check)
Solution #3 - If there is power, the motor is dead. Replace the motor. Be aware that AC and DC motors are different and replace per manufacture's specifications.
Have you noticed more frost in the freezer than usual? It sounds like you may have moisture building up and freezing around evaporator fan. The fan blade hitting ice will cause the buzzing until it stops it completely or the evaporator clogs with frost and blocks airflow. If you have frost on food in freezer, check the door seals and make sure nothing is keeping doors from closing completely if you release them about 6" from cabinet.