Shot & Crackling Sounds in Refrigerator: Causes & Solutions for Back Noises (Max 90 chars)

Hello,
For several months now, I have been hearing "shots", "crackling" sounds in the back of my refrigerator.
Yes, several or a dozen times a day. I did not notice any visually
damage, no idea what it is. I was wondering if it was crackling like that
in the socket, but it seems to me that if it were so, the traffic jams would have gone away long ago.
Has anyone encountered this?

The noise can be caused by the genset or the contactor if there are any or loose parts of the genset.

These are such little crackling noises, but everyday ones, and they bother me a bit :(

Added after 32 [minutes]:

Oh, please let me know what would have to be done if this:
1st aggregate
2.contactor (what is it?)
3. play in aggregator elements?

And what can it possibly threaten?

Hello! The crackling in the refrigerator is definitely not a contactor because there is no such thing (unless some old large refrigerator cabinet) - I think that the problem is in the refrigeration system, sometimes with the isobutane factor, such a thing happens ...

Hello.
From what you describe, it seems to me to be a security noise
The temperature should be heard when the refrigerator is turned on.
(although not always) This may indicate a worn motor, low voltage
in the network or (unlikely - faulty thermostat, thermostat too fast
turns on the unit - the pressure in the tubes will not equalize yet)

The crackling is likely caused by the stresses that develop between the tubes, which freeze, and the polyurethane foam into which the tubes are embedded during the production phase. The tubes change their length to a minimal extent, but this is enough for such a phenomenon. This can be compared to a macro earthquake. I had these symptoms in my refrigerator (Whirlpool ARC 5550). It was for a few seconds, about a minute after the generator stopped running. The refrigerator was under warranty, it was 3 months old. I reported the fault to the service. The technician described the symptoms, sent the protocol to Wirlpool and after a month I had a new refrigerator. If the equipment is out of warranty, the rear shell will be ripped, or you will get used to these noises.
For me, the crack was like breaking a plastic ruler.

it is probably a fridge-freezer which the refrigerator evaporator (what is cooling) is hidden behind the rear wall of the refrigerator compartment and especially when the agegate is turned on, you can hear crackling noises caused by freezing of the water formed as a result of defrosting between this evaporator and the plastic wall of the chamber. This wall detaches from the evaporator or freezes to it as a result of temperature changes, these elements deform and hence the non-threatening but bothersome cracks.

lidmar wrote:

it is probably a fridge-freezer which the refrigerator evaporator (what is cooling) is hidden behind the rear wall of the refrigerator compartment and, especially when the agegate is turned on, you can hear crackling noises caused by freezing of the water formed as a result of defrosting between this evaporator and the plastic wall of the chamber. This wall detaches from the evaporator or freezes to it as a result of temperature changes, these elements deform and hence the non-threatening but bothersome cracks.

I agree with this theory 100% - as long as jwst is a fairly young refrigerator with such a cooling system structure.
I will add that the cause of the crackling may be the freezer compartment, just the plastic baskets (or the front covers for the baskets) may shrink when freezing (and vice versa) causing something like a crackling. It happens quite often in popular hardware.

Hello!
I also had something knocking on it
And it may sound strange, but I turned the power plug on the ice, so that where the "phase" was before, there was "zero" and vice versa .. I stopped knocking ..: to this day I do not know why.
What's harmful to try ..
Greeting
BMGFM

There was probably a puncture on the housing and the mouse "caressed".
Then they jumped frightened and banged their heads on the refrigerator

There is a way of shooting for that. I have an Amica ACZ3101 and it is terrible. On the website they said that these types have ... But maybe there are some ways?
My crackle corresponds to the description "The clicks are probably caused by the stresses between the tubes, which freeze, and the polyurethane foam in which the tubes are embedded at the production stage. The tubes change their length minimally, but that's enough for this." and so heard on the site.

Unfortunately the Amiga They have it to themselves that they shoot, it may be strange but in some models it was enough to tilt them more on the "back" and there was silence.

If it is a sound similar to the sound of crushing a plastic bottle, the reason lies ONLY AND EXCLUSIVELY in the fact that during the injection of the foam, air got between the casing and the foam and due to temperature differences (usually in the first minutes after turning on the compressor or after turning it off) air and material shrinks and causes crackling noises. With a little bit, you can listen to the clicks and try to gently pierce the back cover with a thin wire or a screwdriver about 1 mm in diameter, it enters the foam up to a feeling of resistance, i.e. about 4 cm. you will hear the air descending but be careful because it is easy to pierce the coils and then you can give them to scrap collectors. And don't prick yourself carelessly Remember that you do it at your own risk! :spoko:

Added after 4 [minutes]:

My crackle corresponds to the description "The clicks are probably caused by the stresses between the tubes, which freeze, and the polyurethane foam in which the tubes are embedded at the production stage. The tubes change their length minimally, but that's enough for this." and so heard on the site.
: sm15: A good hoax is never bad: sm15:

rangi wrote:

(...) try very gently to puncture the back of the cover with a thin wire or screwdriver about 1 mm in diameter, it enters the foam up to the momet feeling of resistance, i.e. about 4 cm. you will hear the air descending (...)

Total nonsense.
The air is sometimes in trace amounts, but it is not the air that causes the crackling noise: /

I made a hundred refrigerators this way, because I used to be in America. it was the bread and always worked !!!
And according to the theory with pipes, each refrigerator would have to shoot, because in each of them there is a process of shrinkage, but not every one has air inside

rangi wrote:

I made a hundred refrigerators this way, because I used to be in America. it was the bread and always worked !!!
And according to the theory with pipes, each refrigerator would have to shoot, because in each of them there is a process of shrinkage, but not every one has air inside

And the second time you didn't convince me, the air doesn't creak because how? ;)

Can you explain it? I am curious and I think others too

I share the answer of the rank, you can see that I know what I can add to this topic, I do it this way by pressing the foam with my finger and you often hear a soft click, at this point I urge the air to go down the brick effect

And the second time you didn't convince me, the air doesn't creak because how?

Can you explain it? I am curious and I think others too.


This type of argumentation does not inspire further discussion, but ...
Physics dear buddy, physics! The heated air expands and the cooled air contracts which attracts additional phenomena :ok:




It just so happened that I spoke to a guy who was in the quality control department today, just the refrigerator. Thoroughly said what I wrote about earlier. But the most problematic is the air that gets between the foil that sticks the tubes (coils) to the chamber. Then it is difficult to remove because the foil is not easy to puncture.
I know what I am talking about, I have been to the production a few times and I have seen the whole process from cutting the tubes to the test line of the finished product.

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tjacol wrote:

There is a way of shooting for that. I have an Amica ACZ3101 and it is terrible. On the website they said that these types have ... But maybe there are some ways?
My crackle corresponds to the description "The clicks are probably caused by the stresses between the tubes, which freeze, and the polyurethane foam in which the tubes are embedded at the production stage. The tubes change their length minimally, but that's enough for this." and so heard on the site.

I also have an Amica refrigerator and there are exactly the same symptoms.Now I have this built-in refrigerator, of course, adequate ventilation is made and these crackles are no longer audible

Hello, I have the same problem with the Whirlpool ARC 7490 refrigerator. Trazski starts as soon as the compressor is turned on and lasts about 10 minutes. The only thing I did notice is that the crackling sounds come from one place on the back of the refrigerator. The refrigerator is not under warranty, reading the previous posts I am not sure whether calling the website makes sense.

Hello everyone

I have a CANDY fridge-freezer. I also have crackling sounds. Sometimes it is the sounds of a broken ruler, but from time to time, when I am really afraid, I was afraid. I'll find out, let you know.

Here is what the service wrote back to me:

During normal operation of the refrigerator, noises may be heard which may not be hardware failures, and include:
Noises, gurgling coming from the cooling system - are caused by the flow of ecological refrigerant which replaced the FREON 12 gas that destroys the ozone layer.
Cracks - are the result of shrinkage and relaxation of the refrigerator compartment elements as a result of temperature changes inside the material.
Knocks, knocks - are caused by the process of turning the compressor on and off.

It does not change the fact that these tricks are irritating, but what to do ...

I used to have a "Silesia" refrigerator (maybe someone still remembers those refrigerators)
She was nice when the engine started it was as if someone had thrown a huge brick at her and then when it started to swing, it walked like a Russian tank until the glasses on the dryer rattled :wink:

for about 2 years I have an Indesit refrigerator (the usual one for PLN 999)
the engine runs quietly, but apart from that it cracks, shoots, pounds, whistles, squeaks, talks, yells and god knows what else
and because I have it next to the room in which I sleep, sometimes I cannot sleep at night :evil:

my observation is that something is growing and shrinking (physics)
when the engine starts you can hear a gurgling and crackling sound similar to the breaking sound of very dry foam or a plastic ruler and sometimes it sounded as if a huge wardrobe in the hall had tipped over
it was like that for the first 5 minutes
after turning off the engine, for another ten minutes you could hear the crackling again and additionally humming (some gas flowing as if it was going up)
over and over again

and I know what this behavior of a refrigerator can compare to to the radiator

I also have a radiator that knocks so much when warming up and for a long time when cooling down and I have such old cast iron

Piter753 wrote:

Hello, I have the same problem with the Whirlpool ARC 7490 refrigerator. Trazski starts as soon as the compressor is turned on and lasts about 10 minutes. The only thing I did notice is that the crackling sounds come from one place on the back of the refrigerator. The refrigerator is not under warranty, reading the previous posts I am not sure whether calling the website makes sense.

If you call a service technician who knows, he will handle it and another will say that it is shrinking the material and it should be like that. Regards