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you have a defrost issue which need to be dealt with. the fans is hitting the ice that has formed after 5 to 10 days of not going through a proper defrost phase, you either have a bad defrost controller, def t-stat, or def heater. and can easily id the issue
Pull the fridge away from the wall and inspect the compressor. Your description sounds like the compressor is hitting something. It is rubber mounted and usually can be pushed away from whatever it is hitting.You do not want to jamb something to stop the noise, as the compressor needs to move freely. Many compressors shake during start up and shutdown, and this is considered normal. Abnormal if the compressor hits something during this movement.
Hi and welcome to FixYa, I am Kelly. First off the high pitched sound you heard was most likely ice build up on the evaporator so th evaporator fan blades were striking the ice. Now as for your shutting of the unit and staring right back up..... You need to wait 15 - 20 minutes of OFF time when ever there is a power interruption. What is happening now is that the compressor can not restart because the coolant pressures are to high. That 15 - 20 mins of off time will afford that pressure stabilization time.
What you really need to do is remove the freezer contents and place a fan blowing into the freezer compartment to manually defrost the freezer evaporator. (about 2 hours of floor fan time) This should get rid of the high pitched noise. Then.... restart the unit. It should restart.
I suspect that you have an automatic defrost problem is why you had the noise. The manual defrost will only get you 2 - 3 days of normal operation again before it once again starts the icing routine. I want to get this off now to get you started on the manual defrost. I will respond with a 2nd post about the defrost problem.
Your to do list...
1. unplug the unit.
2. Manual defrost with floor fan (2 hours of fan and water mess)
3. Restart the unit
4. Watch for next post about defrost.
No-one posted a solution. I contacted the original solution poster who was very helpful.I hope this helps someone else better understand their refrigerator problem and get on the right track. Staffgage.
"you are right that cleaning under your refrig wont get rid of a "compressor knocking" sound. what it might do is to lower the amount of heat from the condenser coils and thus cause less pressure and stress on the compressor making it run easier and less likely to bang or knock when shutting off. if your coils were very plugged with lint and you have cleaned them, that will help but it wont "fix" the problem. inside the compressor is a motor and a pump, the motor is supported by 3 springs and they can stretch or break causing the motor to hit one side of the black outer can and cause the noise. that may be too technical, but its not something that can be repaired without replacing the compressor, at a cost of 700-800 bucks. most would not pay this as its not worth putting that amount of money into an older refrig."
"think that you are hearing either a freon related sound or even just the sounds of the unit going thru defrost. how often do you hear the noise? just maybe once a day or is it everytime the unit shuts off? either way i would rule out the ice maker and water system as when the "shut off arm" is up then it is off and wont make any noise, or ice. keep the i/m arm up and then listen for the next day or two and try to narrow down when it makes the noise and frequency you hear it and then get back to me. it may not even be a problem, just normal operating sounds that cant be changed."
these high efficiency compressors make noise when they are in defrost..you will sometimes hear water running, or tapping noise or even a popping noise. if it happens when its off in defrost.. it will only happen three or four times per day as this is the defrost frequency and nothing can be done without securing the heat exchanger to the suction line ..sometimes these come loose...
Hmmm. Makes sure it is not the fan inside the freezer. The compressor is not capable of loud noise since it is sealed and sits on rubber mount. The knocking might be due to the fan blade hitting ice build up. You should not see any frost in a freezer. If there is frost, you can defrost completely then set the fridge to a lower setting.
im sorry to tell you, but the sound is probobly normal. fridges these days make some weird noises. they started making noises when they changed the gas to R34a. you may be able to get a noise ruduction kit for your model. they are not too fun to install
its Freon expansion at the part where the lines come in to the evaporator in the freezer its a nuisance but supposed to be normal go to your local appliance parts and ask for some sound damping pads and wrap them around the lines where they come into the evaporator lots of times this stops it
Ice cubes will deteriorate over time if not used. They shrink due to defrosting of the freezer and will become stale.
Once the ice bin is full, turn the ice maker off until you use the cubes and or dump the cubes every 3 or 4 days and start over.
Check the compressor mounts. They are usually springs mounted with rubber. If they are two loose the compessor wil hit some other metal part when starting up. Shakle it and see what it is hitting. Ajust accordingly.