Question about Refrigerators
SOURCE: New High Pitch sound
If the sound is from the compressor, the unit is likely under warranty...generally 5 years. If the unit is frozen up and the sound is from a fan that is hitting ice, defrost the unit completely. Other fans in the unit could also be squealing. You'll have to be a detective.
Posted on Nov 20, 2008
SOURCE: whirlpool S20B RSB21
If you look on e-bay, there is a chap in the UK selling repair kits. If you are reasonably mechanically minded and handy with a soldering iron, and happy to remove components on a PCB and replace them you can fix all of your issues in about an hour. The kit costs £35 with full instructions and also you can phone him for advice. It consists of a number of capacitors (as per solution #1 plus several others). I fixed mine over the weekend and am delighted with the results, no need to pay hundreds for the the boards from whirlpool!!
Posted on Feb 08, 2010
Very common problem is the evap fan located in the freezer section is the cause. Sorry but this is controlled by the main board on the back and only way to fix the problem is with a new board. Sorry about the news but it is the problem.
Posted on May 31, 2010
First Check the back wall or floor of the freezer section for frost.The Freezer(evaporator) fan is running?.This fan problem is very hard to detect.The DC motor for the fan wears out the RPM's are effected.It gives the illusion that it is running fine,but it doesn't have enough force to supply air circulation for both the freezer and the refrigerator.so it will give the alarm.
Does it give constantly or at some time.
Do switch of your fridge for more than 24 hours.To remove this problem further happening.So the frost will melt and fan will roatate at maximum rpm.
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Posted on Sep 27, 2010
SOURCE: I have an JENN AIR
A common question on on our site is about different fan sound that happen and the causes. These noises are often fairly easy to fix and some are the result of other problems.
If you are hearing a rattling sound or a squeaking, high pitched squeal coming from the bottom or back or the refrigerator then the condenser fan motor is probably going bad. Sometimes the bearing in the fan motor will even get so bad that the fan blade will start to hit anything that is close to it down there. This can create a very loud noise. This fan normally will be running when ever the compressor is running also.
As with any other problems you will want to get these things fixed promptly. If the problem is just a squeal a bit of light motor oil will do wonderful things for you. Many times though, you will have to order the parts needed to fix the problem. When repairing the problem make sure to remove all power the the unit and to wear gloves is possible, as there are many sharp edges in close quarters that will butcher you hands in no time.
The other fan that can cause sound is the evaporator fan. While this fan too can get worn and become noisy, it also can sometimes start to hit ice that is building up because of a problem with the defrost system of the refrigerator. Checkout my tips about defrost problems if you find a build up of ice and the fan is hitting the ice and making noise. This fan can also be oiled if needed, and it will also wear out and need to be replace occasionally. This fan usually will go off when the door is opened, so sometimes it makes it difficult to figure out exactly what is happening. By holding the door switch in manually, you can get the fan to run and troubleshoot it more easily. Make sure to remove all power before trying to service the fan. Spinning fan blades do not play nice with your hands!
For many refrigerators you will have to remove some covers or even the whole bottom of the freezer to get to this fan for replacement. Checking the exploded views at appliance parts websites can give you an idea of where the fan is located and what must be removed to get to it for replacement.
Both of these fans and the associated parts are available for most refrigerators online. Look for them at the appropriate spots in the exploded views of the units.
Determine where the noise is coming from. Noises coming from different parts of the fridge point to specific issues. Determining if the noise is coming from the inside, outside or bottom of the refrigerator helps you to diagnose the problem.
Check that your refrigerator is level. If it is not, place a small piece of cardboard or wood under one side to make it level. Leveling a fridge can automatically eliminate troubling sounds.
Open the freezer to see if the noise gets louder. If the noise becomes louder with the freezer open, the noise is likely caused by the evaporator fan. If the evaporator fan is the culprit, replace it to get rid of the noise.
Pull the refrigerator away from the wall, and check the condenser fan at the back of the fridge. A metal panel may cover the fan, which can be unscrewed. Listen to see if the fan is the source of the noise. If it is, the fan may need to be cleaned or replaced.
Listen to the bottom of the refrigerator to see if the sound is coming from underneath. If you hear a rattling sound, the fridge's drain pan may be ajar. Jiggle the pan to snap it in place, or secure it to the fridge with tape to stop the rattling.
Unplug the refrigerator, and listen to the back side of the fridge. The fans will immediately stop running. If the back of the fridge continues to make a noise after the fans have shut off, the sound is most likely coming from the compressor, which is located at the back of the fridge, near the bottom. If you have a compressor problem, you either have to replace the compressor or the entire refrigerator.
Tips & Warnings
Unplug your refrigerator before replacing or cleaning any moving parts.
Good luck and thanks for using fixya.
Posted on Aug 18, 2011
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