Why is the refrigerator cracking, clicking or creaking: normal or broken?

Did your refrigerator suddenly start making strange sounds - cracking, clicking or squeaking? Do not rush to panic: in 80% of cases this is normal operation of the unit. Modern models (Samsung No Frost, LG Inverter, ATLANT two-chamber) are equipped with complex systems that inevitably create an acoustic background. But how to distinguish “healthy” sounds from signals of a malfunction?

In this article we will analyze all possible causes of cracking —from harmless plastic expansion to critical compressor breakdowns. You'll know when it's enough to move your refrigerator and when it's time to call a professional. For convenience, we have collected audio examples of normal sounds (see table below), a checklist for self-diagnosis and answers to frequently asked questions. If your refrigerator makes suspicious sounds, here you will find the exact algorithm of action. 10 cases of cracking does not require repair. But there are Indesit, Beko or Liebert makes suspicious sounds - here you will find the exact algorithm of actions.

Spoiler: in 9 out of 10 cases, the cracking does not require repair. But there is three sounds at which the refrigerator must be immediately unplugged -we have highlighted them separately.

1. Normal sounds: why a new refrigerator is cracking

If your refrigerator is cracking in the first days after purchase, this is almost always normal. Modern models (Bosch Serie 6, Electrolux NutriFresh) use materials that react to temperature changes. Here are the main “safe” sources of noise:

• 🔹 Thermal expansion of plastic. The body and shelves of the refrigerator are made of polymers that contract/expand with temperature changes. This is accompanied by a slight cracking sound - especially noticeable in models with No Frost (for example, Samsung RB37J5230SA).
• 🔹 Compressor operation. Inverter compressors (LG Linear Cooling) turn on/off smoothly, but classic motors (ATLANT MHM 1705) may click when starting.
• 🔹 Circulation refrigerant. Freon moves through the tubes under pressure - this sometimes causes cracking in the back of the refrigerator.
• 🔹 Automatic defrosting. In models with Total No Frost (for example, Haier C2F636CWMG) the melting of ice on the evaporator is accompanied by a slight crackling sound.

How to check that the cracking sound is normal? Use a simple test:

1. Open the refrigerator door and listen - the sound should become quieter (if it is associated with the operation of the compressor).
2. Touch the back wall: if it is warm and a crackling noise comes from there, this is refrigerant circulation.
3. Shine a flashlight on it. seal: if the cracking noise disappears when you press the door, the problem is in tightness.

2. Cracking from the compressor: when it is dangerous

The compressor is the “heart” of the refrigerator, and its sounds require special attention. Normally, it should uniform humming with slight vibrations. But there are three types of sounds that indicate. malfunctions:

⚠️ Attention: If the compressor does not turn off for more than 2 hours gets very hot, this is a sign critical malfunctionIn this case, the refrigerator must be disconnected from the network and not turned on until repaired.

How to check the compressor yourself:

1. Disconnect the refrigerator from the network for 10 minutes, then turn it on again. If the clicks are repeated, the problem is. relay.
2. Shine a flashlight on the back wall: if the compressor “bounces” when starting, the shock absorbers are weakened.
3. Put your hand on the compressor body: if it scalding hot it is a sign of overheating.

3. Cracking from the fan: No Frost and other systems

Refrigerators with the system No Frost (Samsung RL62NBRNCSA, LG GA-B489YDQZare equipped with a fan for uniform distribution of cold. If it starts to crack, it could be:

• 🍃 Ice on the blades. If the defrosting system malfunctions, ice forms on the fan, which clings to the housing.
• 🔧 Bearing wear. Over time, the lubricant dries out and the fan begins to creak.
• 🐭 Foreign objects. Crumbs, pieces of packaging or even insects can get into the ventilation ducts.

How to fix the problem:

1. Defrost the refrigerator for 12-24 hours. If the cracking noise disappears, the problem was ice.
2. Check the ventilation holes in the back of the chamber (usually they are covered with a plastic grill).
3. If the sound does not disappear, the fan will need to be replaced (cost ~2500 RUR for models Indesit or Beko).

⚠️ Attention: Never try to disassemble the system yourself No Frost - this can lead to a freon leak. If the cracking noise remains after defrosting, call a technician.

What will happen if you ignore the fan crackling?

If If the problem is not eliminated, ice on the blades can completely block the fan. This will lead to overheating of the compressor and failure of the refrigerator. In the worst case, you will need to replace the entire No Frost module (cost from RUB 8,000).

4. Cracking from the seal and doors

If the sound is coming from the door, the problem is most likely in the door. sealing rubber or hinges. This is one of the easiest reasons to eliminate. Common scenarios: If the refrigerator is not level, the seal does not fit tightly, and clicks are heard when opening/closing.

• 🚪 Warped door. If the refrigerator is not level, the seal does not fit tightly, and clicks are heard when opening/closing.
• 🧲 Magnetic seal tape. models ATLANT i Stinol the magnet may “stick” with a characteristic sound.
• 🧊 Ice on the seal. In refrigerators with a drip system (Biryusa 130), condensation may freeze. on an elastic band.

How to fix:

1. Check the level of the refrigerator with a building level. If necessary, adjust the legs.
2. Wipe the seal with warm water and soap - this will restore elasticity. rubber.
3. If the seal is torn or has lost its shape, replace it (cost ~1000 RUR for Samsung RL-44).

💡 Useful advice: To make the seal last longer, lubricate it with silicone grease once a month (for example, WD-40 Specialist). This will prevent cracking and loss of magnetic properties.

5. Cracking from pipes and refrigerant

Metal tubes through which freon circulates can make a cracking noise when:

• ❄️ A sharp change in temperature (for example, when the mode is turned on Super Freeze).
• 🔥 Overheating of the condenser (rear grill of the refrigerator).
• 💧 Ingress of moisture on hot tubes (for example, after washing).

How to distinguish normal pipe cracking from a breakdown:

⚠️ Attention: If you hear Freon hissing (sounds like the sound of an open soda) - immediately turn off the refrigerator and ventilate the room. Freon is non-toxic, but in high concentrations it can cause dizziness.

6. Crackling from electronics: boards and sensors

Modern refrigerators (Samsung Family Hub, LG Instaview) are equipped with electronic control boards, which can also make sounds:

• 📱 Relay on the board. When switching modes, it clicks (the norm for models with Inverter Linear Compressor).
• 🔋 Power supply transformer. It may hum or crackle slightly.
• 🌡️ Temperature sensors. In refrigerators with Twin Cooling Plus sensors sometimes click when triggered.

When to worry:

• If clicks are accompanied flashing indicators on the panel.
• If the refrigerator turns off spontaneously.
• If error appears on the display (for example, ER FF on Samsung or E1 on Indesit).

💡 Useful. advice: If an electronically controlled refrigerator starts to malfunction after a power surge, try resetting it. To do this, unplug it for 5 minutes, then turn it on again. In 60% of cases, this solves the problem.

7. When a crack is a sign of a serious breakdown

There are three situations when a crack in the refrigerator requires immediate shutdown a call to the technician:

1. Loud bang + the refrigerator has stopped freeze → rupture of the freon tube.
2. Metal grinding when the compressor is running → wear of the piston or valves.
3. Constant humming no pauses + hot body → interturn short circuit in the motor winding.

In these cases, independent repair is impossible. Average cost of repair:

• Replacement of the compressor: 6000–12000 rubles (depending on the model).
• Freon leak elimination + refilling: 4000–7000 RUR.
• Electronics repair: 2000–5000 RUR.

⚠️ Attention: If your refrigerator is under warranty (Samsung - 10 years for compressor LG — 5 years), do not try to repair it yourself. This will void the warranty. Contact an authorized service center.

FAQ: Frequently asked questions about crackling noises in the refrigerator

My refrigerator ATLANT cracks at night - is this normal?

Yes, if the sound is short-lived and does not repeat constantly. At night, the compressor turns on less often, and temperature changes can cause the crackling sound. plastic. Check if the refrigerator is close to the radiator or window - this enhances the effect.

The refrigerator Indesit started to crack after defrosting. What to do?

Most likely it is ice on the fan (if the model is with No Frost) or condensation on the tubes. Let the refrigerator operate for 2-3 hours - if the cracking noise does not disappear, check whether water has entered the electronic board.

How to distinguish the crackling sound of the compressor from the crackling noise of the fan?

The compressor makes a sound from the bottom at the back, the fan makes a sound from the top inside the chamber. If the noise disappears when the door is open, the problem is in the fan. compressor or tubes.

Is it possible to replace the seal yourself if it is cracking?

Yes, this is one of the simplest procedures. Buy an original seal for your model (for example, for Samsung RL-33 suitable DA97-08316A), remove the old one and glue it on. new one with double-sided tape or glue. The main thing is not to stretch the elastic during installation.

How much does it cost to diagnose a crack in the refrigerator?

In most service centers, diagnostics cost 500–1500 rubles. If you call a technician at home, the price may increase to 2000–2500 rubles. (for example, in the case of an obvious freon leak), diagnostics can be free if you agree to repairs.

If your refrigerator makes a cracking sound, but operates stably, this is most likely a normal option. Use our instructions for diagnostics, and only if serious symptoms are detected, contact a specialist. Remember: modern refrigerators (LG InstaView, Samsung Bespoke) are equipped with complex electronics, and unqualified repairs. can lead to complete failure.

For models with No Frost we recommend carrying out preventive defrosting once every 6 months - this will reduce the load on the fan and prevent the formation of ice. And if your refrigerator is older than 10 years, pay attention to new models with inverter compressors (Hitachi R-WB490PUC6, Panasonic NR-BN30AW1: they work almost. silently.