The refrigerator rattles during operation - what to do? Causes and solutions

Have you noticed that the refrigerator has begun to make an unusual rattling sound? This is not always a reason to panic - many models work with a slight humming, especially in intensive cooling mode. However, if the noise has become intrusive, is accompanied by vibration, or appears suddenly, it is worth understanding the reasons.

In this article we will take a closer look at why refrigerators Samsung, Atlant, Indesit, LG and other brands may rattle during operation. You will learn which sounds are considered normal and which indicate a malfunction, and also receive step-by-step instructions how to diagnose and fix the problem - from simple adjustment of the legs to checking the compressor.

We note right away: in 80% of cases, rattling is associated with incorrect installation or wear of consumable parts that can be replaced yourself. But there are also serious breakdowns that require the intervention of a specialist. How to distinguish them - read on.

1. Normal refrigerator sounds: when rattling is not dangerous

Before sounding the alarm, make sure that your refrigerator does not make noises typical operating soundsthat are often mistaken for a breakdown. Modern models (for example Samsung RB37J5240SA or LG GA-B489YQZL) are equipped with inverter compressors that operate almost silently, but even they can:

• 🔊 Humming when starting - short-term low-frequency sound (1-3 seconds) when the compressor is turned on.
• 💨 Rustling —movement of refrigerant through the tubes or fan operation (in models with No Frost).
• 🍃 Crackling —thermal expansion of plastic parts when the temperature changes.

If there is rattling appears only at the first start after defrosting or when the “Super Freeze” mode is activated, most likely this is normal. Pay attention to sound type:

⚠️ Attention: If the refrigerator Bosch KGE39AW25R or another model with electronic control emits squeaking or intermittent beep, this may be an error code. In this case, check. display for flashing indicators or refer to the instructions.

2. Incorrect installation is the most common cause of rattling

In 60% of cases, vibration and rattling occurs due to incorrect installation the refrigerator. Even a slight misalignment can cause the housing to resonate when the compressor operates. Check the following points:

• 📏 Floor levelness - if the refrigerator is standing on an uneven surface (for example, on a tile with differences), the legs will not be able to compensate. vibration.
• 🔧 Adjusting the legs —if at least one leg does not touch the floor, the body will “play.”
• 🧲 Contact with furniture —the refrigerator should not touch walls, cabinets or pipes. The minimum gap is 5. see
• 📦 Transport bolts —if they are not removed after delivery, the compressor will vibrate more strongly.

How to check and correct:

1. Take construction level and place it on the top lid of the refrigerator. If the bottle is displaced, adjust the legs.
2. Swing the refrigerator with your hands - if it wobbles, twist the legs clockwise arrow to lower or against to lift.
3. Make sure that the back wall does not touch the wall or furniture. If necessary, move the refrigerator.

⚠️ Attention: In refrigerators with a system No Frost (for example, Indesit DF 5200 W) vibration may increase due to the operation of the fan. If the rattling noise remains after adjusting the legs, check the fan fastening - sometimes it is enough to tighten the screws.

3. Wear or damage to the shock absorbers. compressor

The refrigerator compressor is mounted on rubber shock absorberswhich dampen vibration. Over time, they lose elasticity, crack or even come off, which is why the metal compressor housing begins to knock on the frame.

How to diagnose the problem:

1. Unplug the refrigerator and carefully move it away from the wall.
2. Carefully inspect the compressor (the black cylindrical block at the bottom. The shock absorbers look like rubber “cushions” with bolts.
3. Jiggle the compressor). by hand - if it moves easily or you see cracks in the rubber, the shock absorbers need to be replaced.

Replacing shock absorbers is a simple procedure that you can do yourself:

1. Purchase a set of shock absorbers for your model (for example, for Atlant MXM 1705-100 universal ones are suitable WPro 5300-001560).
2. Unscrew the old shock absorbers with a 10 or 13 key (depending on the model).
3. Install new ones, making sure that the compressor is level and does not touch the housing.

⚠️ Attention: If the shock absorbers are apparently intact, but the refrigerator still vibrates, check attaching the compressor to the frameSometimes the bolts loosen over time - they need to be tightened.

4. Problems with the fan in No Frost systems

Refrigerators with a system No Frost (for example, Samsung RB-30 J3200EF or LG GA-B429 SQGL) are equipped with a fan distributes cold air. If it is unbalanced or touches ice, a rhythmic rattling or grinding sound appears. rhythmic rattling or grinding noise.

Causes of fan malfunction:

• ❄️ Icing blades - if ice interferes with rotation, the fan will catch the ice.
• 🔧 Loose fastening —the screws holding the fan motor could become loose.
• 🌀 Deformation of the blades —if the refrigerator was dropped or it was transported carelessly.

How to fix:

1. Turn off the refrigerator and defrost it for 12-24 hours. If the rattling was due to ice, it will disappear.
2. After defrosting, turn on the refrigerator and listen - if the noise remains, remove the back panel of the freezer (in most models it is secured with latches).
3. Check whether the fan rotates freely. If not, carefully clear the ice from the blades or tighten the fastenings.

What to do if the fan does not spin at all?

If the fan does not rotate even after defrosting, the problem may be a faulty motor or broken wiring. In this case, the part will need to be replaced. For models Samsung a fan is suitable DA97-08007A, for LG — 6601KW2002A.

5. Compressor malfunctions: when you need a master

If the refrigerator rattling constantly, and not just at startup, and the sound is accompanied overheating of the compressor or poor cooling, the problem may be in the compressor itself. This is a serious breakdown that often requires replacement of the part.

Signs of a faulty compressor:

• 🔥 The compressor gets very hot (hot at touch even after 30 minutes of operation).
• ❄️ The refrigerator does not freeze well, despite the maximum settings.
• 🔊 Rattling is accompanied by metal knocking (may indicate a broken piston).
• 💡 Frequent shutdowns with pauses of more than 10 minutes (the compressor does not “pull” the load).

What you can do yourself:

1. Check starting relay (black box on the compressor). Sometimes it “sticks,” causing the compressor to run jerkily. Try knocking on the relay - if the rattling noise is gone, it needs to be replaced.
2. Clean the compressor from dust (use a vacuum cleaner or brush). Overheating due to contamination can cause unstable operation.

⚠️ Attention: If the compressor does not start at all or works with a constant hum, but does not freeze, most likely it has occurred winding breakage or freon leak. In this case independent repair is impossible - a specialist with equipment for refrigerant charging is required.

6. Rattling due to refrigerant or condenser pipes

The pipes through which freon circulates can touching the case or each othercreating a rattling sound when the refrigerant pulsates. This is especially noticeable in refrigerators with an open condenser (for example, Biryusa 130 or Snaige FR205).

How to eliminate:

1. Unplug the refrigerator and carefully move it away from the wall.
2. Inspect back wall - the tubes must be secured with clips and not touch metal parts.
3. If the tubes are in contact, carefully bend them by hand or secure with electrical tape (do not pinch!).
4. Check the capacitor (grid at the bottom) - it should not touch the floor or wall.

⚠️ Attention: Do not use metal clamps to secure the tubes - they can damage the copper walls. It is better to use plastic ties or foam pads.

If the rattling comes from condenser, the cause may be condenser. Dust and pet hair accumulate on the grille, worsening heat transfer and causing the compressor to work harder. Clean the condenser at least once a year with a vacuum cleaner or brush.

7. Other possible causes of rattling

If you have checked all of the above, but the noise remains, pay attention to less obvious reasons:

• 🧊 Uneven shelf load - if there are too many heavy products on one shelf (for example, jars of pickles), it may vibrate.
• 🔌 Unstable voltage - if there are frequent surges in the network, the compressor operates unevenly. Use a voltage stabilizer.
• 🐭 Foreign objects - sometimes debris, wires or even rodents get under the refrigerator (in private homes). bottom.
• 🛠️ Wear of motor bearings —in older models (for example, ZIL-63), bearings can crumble, causing a metallic grinding sound.

If the refrigerator new and rattles from the first days, it is possible defective assembly. In this case, contact the service center under warranty. Do not try to disassemble the device yourself - this may lead to loss of warranty.

FAQ: Frequently asked questions about refrigerator rattling

❓ The refrigerator began to rattle after moving. What should I do?

Most likely, the compressor fastenings were loosened during transportation or the shock absorbers moved. Check:

1. Have the transport ones been removed? bolts (they secure the compressor during transportation).
2. Does the compressor touch the housing or pipes?
3. Is the refrigerator level (use a level).

If everything is in order, but the noise remains, the shock absorbers may have been damaged during transportation - they need to be replaced.

❓ Why does the refrigerator rattle at night, but is quiet during the day?

This may be due to:

• 🌙 Lower voltage in the network (at night, power consumption is lower and the compressor is unstable).
• 🏠 Room temperature — if the kitchen cools at night, the compressor turns on more often.
• 🔇 Quietness in the house - during the day the noise is masked by other sounds, and at night it is more noticeable.

Try connecting the refrigerator through a voltage stabilizer and check if does the noise change.

❓ Is it possible to replace the compressor yourself if it rattles?

Theoretically yes, but this a complex procedurerequires:

• Special equipment for refilling freon.
• Knowledge on soldering copper pipes.
• Experience in working with refrigerants (some of them are toxic).

If you do not have experience, it is better to contact a specialist. a freon leak or damage to the new compressor.

❓ The refrigerator rattles and does not freeze. What could this be?

A combination of rattling and poor cooling. usually indicates:

• 🔧 Compressor malfunction (does not create the required pressure).
• ❄️ Freon leak (refrigerant has leaked and the compressor is idling).
• 🔌 Problems with the starting relay (the compressor does not start at full power).

In this case practically self-repair impossible diagnostics using a pressure gauge and refilling freon are required.

❓ How to reduce the noise of a refrigerator without repair?

If the rattling is not critical, but is disturbing, try:

• 🔇 Place the refrigerator on rubber mat (dampens vibration).
• 🧹 Clean the condenser from dust (will improve heat transfer and reduce the load on the compressor).
• 🔌 Connect via surge filter (eliminate interference in the electrical network).
• 📉 Reduce the temperature in the freezer (if the “Super Freeze” mode is on, the compressor works at the limit).