There is a high pitched/humming noise that is coming from the bottom side of our frig. The frig. is only 4 years old and is a side by side stainless steel. The noise does not always occur. Sometimes it occurs every 2-3 min. for a couple hours and other times it only occurs 4-5 times in a day. Any suggestions??
You have to isolate this problem. It could be one of three things. The compressor, the condenser fan motor or the water valve that feeds the ice maker and wtaer dispenser. Also if the high pitch sound is compared to that of a bird then it is definitely the condenser motor. To isolate the problem take the back cover off. LISTEN FOR THE HIGH PITCHED/HUMMING NOISE! Use a flash light and see if you can tell where it is coming from while it is doing the noise. Dont try this unless you know what your doing. Stop the condenser fan blade with the end of a hard object, but stop it gradually. Dont try this cause you might brake/bend the blade. But if you did and the noise stop then you figured out your problem. If not ythen disconnect the water valve. It has to doulble harness wires attached to it. if problem still exisit then it has to come from the compressor. Unless you have a warranty then theres nothing no one can do except change it. $300-400 job easily.
Thank you for your post, friend!
Based off the information you have provided it sounds like you are hearing the compressor come on. In the newer, high-efficiency compressors they operate much faster than the older models and some may put out a high pitched hum or pulsating noise. I hope this helps. -Matt
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