
(Possible Causes & Fixes)
- Thermal Expansion. For further explanation, thermal expansion is probably the most common cause of popping noises in any type of refrigerator.
- Vibrations. Another normal cause for popping sounds is the regular vibrations that take place within your refrigerator.
- Water Valve. ...
- Replacing A Bad Water Valve. ...
- Compressor Overload. ...
- Pulsating Sounds. ...
Why does my Refrigerator keep clicking on and off?
Jan 10, 2020 · Why does my mini fridge keep clicking? One reason your refrigerator would click would be a compressor overload caused by a dirty condenser coil. The clicking sound is the compressor shutting itself down on the overload. If the refrigerator is cooling poorly but still seems to retain some cold air, then this is likely the problem.
Why is my refrigerator making a clicking noise?
Mar 25, 2022 · Refrigerator clicking is caused by one of a few reasons. The clicking sound may come from your fridge’s condenser coils, the compressor, start relay, or the condenser fan. One of the first troubleshooting methods you should use is determining whether or not the refrigerator is cooling properly.
Why is my Whirlpool refrigerator clicking?
CHECK THE CONDENSER FAN. Certain types of refrigerators use condenser fans to force air through the condenser coils and create that all-important cooling effect. If that fan malfunctions, it's more than likely that the compressor will eventually overheat. That's when you'll hear it clicking off and clicking on again.
Why is my refrigerator compressor clicking?
Compressor Overload. If you’ve ruled out all the other possible causes for your mini refrigerator’s popping sounds, you may be hearing the compressor overload. If your compressor has a locked rotor, gets too hot, or is trying to start against high head pressure, the overload will result in a popping or clicking sound.

How do I stop my fridge from clicking?
Refrigerator clicking? Three quick fixes to tryClean your condenser coils. A common cause of compressor overload is dirty condenser coils, located either behind or beneath the refrigerator. ... Check your start relay. ... Take a look at your condenser fan.Aug 4, 2017
Why is my mini fridge clicking on and off?
CHECK THE CONDENSER FAN. Certain types of refrigerators use condenser fans to force air through the condenser coils and create that all-important cooling effect. If that fan malfunctions, it's more than likely that the compressor will eventually overheat. That's when you'll hear it clicking off and clicking on again.
Is it normal for a fridge to click?
The clicking sound coming from a refrigerator is a common issue. It may be caused by the condenser coils, the compressor, the start relay, or the condenser fan. If there's a clicking noise and your fridge is otherwise cooling properly, it may be caused by the condenser fan.
Why does my fridge make a tapping sound?
The compressor is the main component in your fridge that helps to make it operate correctly, as it distributes refrigerant around your fridge. If your compressor becomes faulty, you may hear a knocking sound coming from it. Replacing a compressor is very expensive, so you're probably better off buying a new fridge.Dec 2, 2021
Why do refrigerators have fans?
Certain types of refrigerators use condenser fans to force air through the condenser coils and create that all-important cooling effect. If that fan malfunctions, it's more than likely that the compressor will eventually overheat. That's when you'll hear it clicking off and clicking on again.
How to fix a fridge that rattles?
Unplug your refrigerator from the power supply. Move the fridge away from the wall so you can access the rear panel. Locate the compressor; the start relay will be mounted to the side. You should be able to remove the start relay by hand. Shake the relay gently; if it rattles, it is almost certainly faulty.
Can you see refrigerant being circulated?
So, whatever else you can see and hear, there's simply no refrigerant being cooled and circulated. Depending on your appliance’s make and model, you may be able to remedy this issue yourself by installing a replacement part: Unplug your refrigerator from the power supply.
Why does my mini fridge make a popping noise?
A mini-fridge can make popping sounds due to thermal expansion or if the water valve is damaged. Inspect your water valve and replace it if it is damaged to stop the popping sound. Make sure that you use the correct outlet or extension cord so that you don’t overload the compressor which can create popping noises.
Why does my refrigerator make a popping sound?
Although unlikely in a mini-refrigerator, your compressor motor can sometimes cause enough vibrations to cause objects inside to hit each other. This will appear like a continuous popping sound when heard outside of the appliance.
What happens if the back of a fridge overheats?
If the back side of your fridge overheats, the fridge compressor can explode. The gas will come through the compressor, that’s overheating, and get trapped. Then, the trapped gas that’s stuck in the compressor will leave to a silent build up of pressure that eventually will explode.
Why does my evaporator make a noise?
Also, the evaporator can cause a pulsing noise if it’s on its way out since it absorbs heat from the interior of the appliance. Additionally, the rotating fans of the evaporator can cause noises and other issues if they’re covered in dirt or damaged. Check that your evaporator coils are free of dust and dirt.
Why does my compressor make a clicking sound?
However, if the internal temperature is becoming warmer, then this might mean that your compressor is overheating , and the clicking sound is the compressor turning off . This problem could be due to your condenser coils.
What is the sound of a refrigerator?
Pulsating Sounds. Another common noise that can come from your refrigerator is a pulsating sound. Thankfully, this is typically a very simple issue. You likely have a small screw that has broken loose from one of the mechanisms and is stuck in one of the many nooks and crannies of the unit.
What does it mean when your water valve is not flowing?
Replacing A Bad Water Valve. If you noticed that water is not flowing to your ice maker or water dispenser, you likely have a faulty water inlet valve. A bad water valve could either mean that you have a valve that is stuck closed, or it may be stuck open, and the water flow is constant.
Why does my refrigerator keep clicking?
If you hear your refrigerator clicking, it’s a sign that it’s not cooling properly. Unplug your refrigerator to quickly diagnose and fix your refrigerator . [Image credit: iStock.com/gruizza] Behind your refrigerator is the compressor whose job is to compress the refrigerant gas and begin the cooling cycle. When the compressor pulls too much power, ...
How to tell if refrigerator compressor is not working?
2. Check your start relay. If you hear a little click at intervals of five minutes or less, this could indicate that your compressor’s start relay is not working.
What happens if the condenser fan doesn't turn on?
However, if the fan doesn’t turn on when the compressor is running, the compressor will overheat and you will hear the compressor clicking off and clicking on again . ...
How to check if refrigerator starts relay?
To check your start relay, unplug the refrigerator. Find the start relay on the compressor and remove it from its socket. Give it a gentle shake. A rattling sound indicates that your start relay needs to be replaced. Your local appliance store or hardware store can provide you with the proper replacement.
Why does my compressor overheat?
When the compressor pulls too much power, the overload causes the compressor to overheat and you’ll hear a click as the compressor turns off to protect itself. Once the compressor cools down, you’ll hear another click as the compressor turns on again. If the compressor itself is broken, you’ll need a professional to assess whether to repair ...
What is the condenser in a refrigerator?
The condenser is the tubing in which the refrigerant flows to dissipate heat. If these coils are covered in dust, grease, lint, pet hair or other debris, they can’t dissipate heat as efficiently and that causes the machinery to work harder to cool the refrigerator.
Why does my refrigerator make a clicking noise?
Most likely, the clicking noises are caused by a dirty condenser, meaning your fridge’s cooling system needs to be cleaned. To clean, shut off the power, and clean the condenser with a soft brush.
How to fix a refrigerator that keeps clicking?
First, clean out the condenser coils. Next, check the start relay before then looking at the condenser fan. If you do all of that and you still hear a constant clicking, call a professional. They will be able to help repair the refrigerator if it isn’t dying.
What does chirping sound like on a refrigerator?
Chirping – sounds should only be heard when the damper door is opening or closing. Fan Speed – fan speeds change when the door is opened or closed. They also go on when you change or adjust the internal temperature of the fridge. Clicking – a clicking noise can be heard when the defrost timer turns on or off.
What does clicking sound like on a defrost timer?
Clicking – a click ing noise can be heard when the defrost timer turns on or off. Click – one audible click can be heard when the temperature unit switches on or off. On rare occasions, you’ll be able to listen to a few clicks when the unit is regulating temperature or defrosting.
How long does it take for a water dispenser to stop buzzing?
It will also be audible when water is being filled back into the ice dispenser. The noise should then stop after a minimum of 7 seconds. Popping – a popping will be heard when the defrost is turned on and is heating the evaporator coils.
What does clicking noise mean?
Depending on the sound of the click, you can narrow down what is wrong with the device. Although, in some cases clicking noises are a sign of a dying refrigerator.
How to tell if a condenser is dirty?
There are a few telling signs of a dirty condenser. First, your food will not be adequately cooled. If you notice food going bad quickly or that the temperature almost seems closer to room temp, we suggest checking the condenser . Secondly, a dirty condenser coil will make a sound every three to five minutes.
Why does my refrigerator make a clicking noise?
One reason your refrigerator would click would be a compressor overload caused by a dirty condenser coil. The clicking sound is the compressor shutting itself down on the overload. The condenser coil is located near the compressor, either on the rear or bottom of the refrigerator. This is the tubing through which the refrigerant flows after compression to dissipate the heat and prepare for expansion and cooling. If the refrigerator is cooling poorly but still seems to retain some cold air, then this is likely the problem.
What to do if your relay rattles?
Give it a shake. If it rattles, the start relay is faulty and needs to be replaced. Some types of relays may need to be tested with a multi-meter to determine whether they have continuity. If the start relay is found to be bad, replacing it with a new one is simple.
Can you repair a refrigerator without calling?
There are a limited number of things that would cause both clicking and a stoppage or decrease in cooling. You may be able to repair it without calling a professional and spending unnecessary money.
Why does my refrigerator make a clicking sound?
Another reason your hearing a ticking or clicking sound emanating from your refrigerator can be because of a bad start relay. If your food is frequently spoiling and you cannot feel any cold air inside your refrigerator, the issue may be caused by your compressor not turning on due to a faulty start relay.
Why does my refrigerator not cool?
If your refrigerator is not cooling sufficiently and ticks like clock every five or so minutes , a dirty condenser coil in your system is likely the culprit. Years of dirt accumulation can cause the condenser coil to overload and constantly attempt to reset itself. This is why a somewhat regular cleaning schedule is necessary to keep your refrigerator in working condition.
Where are the condenser coils located on a refrigerator?
Cleaning your condenser coils is a simple procedure. They are located in the back of the appliance across the bottom, so you will need to unplug and move it away from the wall to access it.
How many terminals are on the bottom of a refrigerator?
It will almost always feature four metallic terminals on the bottom. Once located, you will have to unscrew it and gently pull it out from the appliance. To test if it is the problem, connect it to a multimeter and test for continuity.
Why does my compressor keep clicking?
Since the temperature is too warm , the clicking is probably your compressor overload relay. If the compressor is too hot or pulling a lot of amps , the relay will break the circuit to the compressor to protect it. If the condensor coils are dirty this can cause the compressor to run longer and with less air flow it will overheat.
What does clicking noise mean?
Usually a clicking noise is a magnet being energized and moved in and out of position. This could be something getting a weak connection a part failing or it could be whatever is sending it the signal to energize that is causing the problem. If it is constant are you positive it is a click click sound and not a part maybe loose and vibrating and humming or anything like that?
