Before starting any repair. Read more Condenser Fan Motor or Blade. Evaporator Fan Motor or Blade. Like this: Like Loading Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in:. Email required Address never made public. Name required. Follow Following. Sign me up. Already have a WordPress. Log in now. To reach the condenser fan motor, you may have to remove the panel, which takes less than a few seconds.
If it is the motor causing this knocking noise, this is the first indication of a faulty motor. Evaporation is one of the significant processes of refrigeration. This needs the same procedure as mentioned above, ensure that the blades are dirt-free or go for a new motor. Let us clarify further that the noise coming from the behind of the refrigerator is an indication of a plethora of causes.
This can be a condensing mechanism or an unbalanced compression system. With this one, it is important to seek professional help. This being the result of the refrigerant, which is pretty normal. That is how the knocking sound occurs which does sound alarming at first. Water Hammers may sound daunting but they are easy to understand. Water Hammers occur when water flowing through pipes is forced to stop or change direction. Such as when a tap is turned off or a valve from an appliance shuts. Consider Reading: Why is my refrigerator making a humming noise?
There are times when we receive SOS from people who complain that their fridge is making a rhythmic knocking sound while it runs. Again, one primary reason for such an issue is a defective compressor.
In most cases, the sound surfaces mostly when the fridge is switched on and off. The fridge also starts and stops with a jerk. The compressor is located at the posterior and can easily be accessed. However, we strongly recommend that you do not try DIY stuff unless you are an expert with necessary training and qualification. Instead, you should immediately get in touch with a professional who is specialised in addressing the problem and fix it.
In most of these cases, the compressor needs to be repaired, cleaned or replaced. This is another perpetual problem that people at time whine about. In most cases, this is caused by a faulty condenser fan. Since these coils get hot, they need to be cooled somehow. In older refrigerator models, the condenser coils are air-cooled, hence why they are exposed at the back of the fridge.
For newer no frost refrigerators, the condenser is hidden at the back of the fridge, which necessitates the help of a fan to cool it down.
The fan blade itself can also be bent if a foreign object somehow gets caught while it is spinning. Next, remove the rear panel if any so you can have access to the condenser fan.
If it is dirty, take the fan off and remove the grime out with a brush. Check for loose parts as well. Warning: Do not submerge the condenser fan in water as there are electronic parts inside it. The same goes for a faulty condenser fan motor. If you find no fault in either the condenser fan or the evaporator fan, then the squealing noise is most likely coming from the compressor itself.
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