![]() If your refrigerator is making a knocking noise, it’s usually a result of the compressor or the condensing system. Water hammers produce a loud knocking or ‘hammering’ sound and, if left unattended, can cause damage. Such as when a tap is turned off or a valve from an appliance shuts. Water Hammers occur when water flowing through pipes is forced to stop or change direction. If it isn’t loud and your refrigerator shows no loss in performance, then we suggest you ignore this knocking sound. As with the transfer from a gas to a liquid, Freon passes through the compressors and condensers you may hear a knocking sound. One of the most probable causes is refrigerant circulation, which is normal. Refrigerator compressors are expensive, so buying a new refrigerator would be more cost-effective if you find it to be the problem. This can be a condensing mechanism or an unbalanced compression system. This needs the same procedure mentioned above, ensuring that the blades are dirt-free. If it’s malfunctioning, you’ll hear a knocking sound when the fridge door opens. Evaporator fan motor or blades:Įvaporation is one of the major parts of refrigeration. Luckily, such motors are replaceable, so you won’t need a new refrigerator. If it is the motor causing this knocking noise, this is the first indication of a faulty motor. You may have to remove the panel to reach the condenser fan motor.Īfter this, you can check if the fan blades need cleaning if not, you’ll need to check the motor. For instance, if it comes from behind the refrigerator, chances are that the compressor or condenser fan motor is to blame. ![]() ![]() If your refrigerator is making a knocking noise, try to listen to where the noise is coming from. Probable Causes:īefore delving into how you can begin to fix this issue, let us have a quick look through some of the most common causes: Condenser fan motor or blades: If you hear a knocking noise from your refrigerator, the most likely cause is the compressor or condenser fan. Why Is My Fridge Making a Knocking Noise?
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