Question about Refrigerators
If you hear a buzzing noise from the compressor area then its not always that compressor is faulty and needs to be replaced.There are many other possibilities That has to be checked before ruling out the compressor faulty.
Beside the compressor there is a relay.its a compressor relay.Relay many a times gets cracked due to over heat and makes noise.Also if you remove the relay out and shake you hear a rattling noise from the relay if its faulty.cracked.The other cause can be the fan on the compressor.Its can compressor fan.If the fan motor is gone weak then it can make the buzzing noise.as the motor is gone weak so it requires more power to spin the fan and this noise can occur.The other thing to check is the Defrost timer.There is a defrost timer beside the compressor and compressor relay.Its a white color box.If this timer is not spinning or spinning very slowly.Then this can be the noise of capacitor in the timer.the timer is the part which sets the compressor to start and stop.While in defrosting mode the compressor fan starts running and while in frost mode the compressor fan stops.So get this three things checked first.All the things can be checked with meter.If they checks out ok.Then yes the fault can be in the compressor.As the board is replaced 9 months ago.So board going bad in such a less time is bit rear but still cannot be ignored.
This will help.
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Posted on Jun 09, 2010
Buzzing sound is always involved with the compressor. Check the compressor first before replacing it. If is faulty please do replace it.Is the refrigerator cooling well and working ok? If not then it must be surely compressor.
Posted on Jun 09, 2010
It sounds to me like you have another different problem now... the compressor may or may not be going bad, but it at least is not starting properly every time. This may cause it to owrk till it shuts off and then need a few tries to start again, and that is the buzzing sound you are hearing...changing the start relay and capacitor may help or eliminate to problem, at least for a while...
You can read more about this in a tip that I wrote....
Refrigerator Compressor Start Capacitor and Start Relay
Refrigerator Troubleshooting Refrigerator Compressor
Posted on Jun 05, 2010
The problem is no the mother board, the problem is from the compressor, follow the below procedure and solution to resolve the problem.
This can be annoying. Unit noises are, sometimes, normal, but most are signs of very serious issues. Any type of knocking, or pinging, will indicate that there are serious issue that concern the compressors internal seal, and structure. Normally, these noises will be located at the actual compressor area. Here are some other common noises that will occur overtime. These are , generally, repairable and pose no serious threat to the unit.
Lets start with the common hissing and popping. Hissing and popping is normal on frost free refrigerators, it is the defrost heater, in this case. I would check these following areas to address any other abnormal noises. The next issue will deal with proper leveling of the unit.
If the level of the unit is not adjusted to proper specs, this will create an unstable operating condition, causing many noises to emit from the units structure. inspect the unit for proper level. adjust if needed. Secondly will be the drain pan. Once removed for cleaning, the pan must be replaced in position correctly. If not, the pan will rattle against the compressor, causing a rattle.Simply reposition the tray if this is the case. The third possible issue will be the condenser fan. The condenser fan is located behind the refrigerator. It may be necessary to remove an access panel to reach it. This fan has a shroud or cover, and if the fan blade becomes warped, it will rub against the shroud, causing noise. This fan blade is whole,and it can be removed and replaced if this is the case. Ok, the fourth problem spot will be the evaporator fan.
The evaporator fan is located at the back of the freezer. It may be necessary to remove obstructions such as the contents of the freezer, freezer shelves, ice maker and the rear inside panel of the freezer, as well. The rear panel may be held in place by retainer clips or screws. Remove the screws or depress the retainer clips with a small flat-head screwdriver. Check the fan for warped blades. if the blades are warped or mis-aligned, replace it. This fan also is protected by a shroud as well, and it will make noise if the fan blade is damaged.
Now. The last area of concern will be the compressor mounts. This is the most common spot for noise overtime. The compressor sits on rubber mountings. Those rubber mountings are designed to absorb vibration from the compressor. As the mountings age, or depreciate, they can become very hard(Dry rot), or disintegrate. When this happens, the compressor vibration is transmitted to the refrigerator structure and it can cause noise.The compressor is located in the rear. It may be necessary to remove an access panel to expose the compressor. Once exposed, remove the screw or retaining clip of just one of the compressor mounts.Using a pry bar, lift up the compressor enough to slip out the rubber mount. Inspect the mount for deterioration. The rubber should be firm but not rigid. If the mount is crumbling or hard, it should be replaced. If you can do this alone, i suggest you get someone who can do it for you.
Posted on Jun 05, 2010
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Posted on Jan 02, 2017
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