What is defrosting a refrigerator called: terminology, types and rules

When it comes to defrosting a refrigerator, many users are faced with confusion in terms. Some call it “thawing,” others call it “defrosting,” and others even use slang expressions like “ice cleaning.” In fact, in technical documentation and manufacturers' instructions, this process has a clear name, which depends on the type of cooling system. Why is this important? Because incorrect use of terms can lead to errors in operation, and in some cases, even to breakdown of equipment.

In this article we will figure out how officially called refrigerator defrosting depending on its design, how systems differ No Frost, Frost Free and drip defrosting, and also give clear instructions on how to carry out the procedure without risk to the compressor and seals. In addition, you will find out why in modern models the term “defrosting” is often replaced with “maintenance” and when it is really necessary.

Official name of the process: manufacturers' terminology

In the technical data sheets of refrigerators, the term “defrosting” is practically not used. Instead, manufacturers use the following concepts:

  • 🔹 Thawing (Defrosting) - a universal term that refers to removing ice from the evaporator and internal surfaces. Used for all types of systems, including manual and automatic defrosting.
  • 🔹 Cycle defrosting (Defrost Cycle) is an automatic process in systems No Frost i Frost Free, when the refrigerator independently removes ice without user intervention.
  • 🔹 Maintenance (Maintenance) is a broader concept that includes not only removing ice, but also cleaning, checking seals and diagnosing the operation of the compressor.

It is important to understand that the term “defrosting” is a common name that has taken root among users. You will not find it in service centers or instructions. For example, in refrigerators Samsung with a system No Frost the process is called Auto Defrost, and in models LGFrost Free Operation. If you contact support with a question about “defrosting”, they can correct you and clarify what type of defrosting we are talking about.

📊 How often do you defrost the refrigerator?
Once a month
Once every 3 months
Once every six months
Only when ice forms
I don’t defrost at all

Types of defrosting systems: what is the difference between No Frost, Frost Free and drip

The name of the ice removal process directly depends on the type of cooling system. Let's look at the three main types that are found in modern refrigerators:

Type of system Official name of the process How defrosting occurs Service frequency
Drip (Direct) Cool) Manual defrosting (Manual Defrost) Ice melts naturally when the power is turned off, water flows into the tray 1 time every 3-6 months
No Frost (Full No Frost) Automatic defrosting cycle (Auto Defrost Cycle) The fan distributes the cold, ice is removed by the heating element (heating element) without user intervention Maintenance once a year
Frost Free (Low Frost) Semi-automatic defrosting (Semi-Auto Defrost) The freezer is defrosted automatically, the refrigerator - manually or by drip method Freezer - not required, refrigerator compartment - once every 6 months

Critical error. Many users: assume that refrigerators No Frost do not need defrosting at all. In fact, even such models require periodic maintenance - cleaning the drainage hole, checking the operation of the fan and removing condensation from the seals. Ignoring these procedures can lead to an unpleasant odor or malfunction of the system.

⚠️ Attention: In refrigerators with the system No Frost it is strictly forbidden to mechanically remove ice with sharp objects (knives, forks). This can damage the evaporator and lead to freon leakage. is formed regularly - this is a sign of a malfunction; diagnostics are required.

Why there is no term “defrost” in modern refrigerators

If you open the instructions for the refrigerator Bosch, Liebherr or Indesit the latest models, you are unlikely to find the word “defrost”. deliberately avoid this term for several reasons:

  • 🔧 Process automation: in systems No Frost i Frost Free thawing occurs without user intervention, so the term “defrosting” becomes irrelevant.
  • 📄 Legal nuances: word “defrosting” may be associated with a forced shutdown of power, which contradicts operating recommendations (for example, warranty cards often contain a ban on disconnecting the refrigerator from the mains on its own).
  • 🛠️ Expansion of the concept: modern refrigerators require not only removal of ice, but also comprehensive cleaning (disinfection, checking electronics), which is why manufacturers use the term “maintenance.”

For example, in the documentation for refrigerators Samsung RS6HA8890 or LG GB-B539SLQZ instead of "defrosting" it is mentioned Maintenance Mode - a maintenance mode that includes yourself:

  • 🧼 Cleaning internal surfaces with special means.
  • 🔍 Checking the operation of temperature sensors and fans.
  • 💧 Removing condensation from the drainage system.

How to correctly name the process depending on the situation

To avoid confusion, use the following terms depending on the context:

Situation Correct term Incorrect term
Manual ice removal (old models, drip system) Manual defrosting (Manual Defrost) "Defrosting", "ice cleaning"
Automatic deicing (No Frost) Defrosting cycle (Defrost Cycle) "Self-defrosting"
Comprehensive cleaning of the refrigerator Maintenance (Maintenance) "General defrosting"
Contacting the service center about ice Diagnostics of the defrosting system (Defrost System Check) "Repair of defrosting"

If you call the service center and say: “My defrosting is not working,” the technician may not understand what they are talking about. It would be more correct to formulate the problem this way: “The refrigerator Atlant XM 4625-101 does not go through the defrosting cycle - ice is building up in the freezer." This will help the specialist quickly determine the cause of the problem.

⚠️ Attention: In some models (for example, Beko RCNE530E20ZXB) if the defrosting system fails, an error may appear on the display dF or d5This is a signal about a malfunction of the defrosting heating element or. temperature sensor. In this case, professional diagnostics are required.

Step-by-step instructions: how to defrost without harming the refrigerator

If your refrigerator requires manual defrosting (drip system or Frost Free), follow these instructions to avoid damage:

Unplug the refrigerator (do not pull out the plug abruptly!)

Take out all the products and put them in a thermal container or cooler bag

Remove all shelves and drawers (rinse them with warm water and baking soda)

Place a tray or towels under the drainage hole to collect water-->

  1. Disconnecting the power: Never use the defrost button (if there is one) while the refrigerator is plugged in. First, remove the plug from the socket, then press the button (if provided by the design).
  2. Accelerating the process: To make the ice melt faster, place containers with warm water (not boiling water!) in the chamber or use a fan. Do not direct the hot air of a hair dryer at the seals - they may become deformed.
  3. Removing water: After defrosting, wipe all surfaces with a dry cloth. Check the drainage hole (usually located on the back wall of the refrigerator) - if it is clogged, clean it with a cotton swab.
  4. Turning on the refrigerator: Wait 15-20 minutes after defrosting before turning on. This is necessary for the freon pressure to stabilize. Do not load food immediately - let the refrigerator reach operating temperature (1-2 hours).

Critical error: turning on the refrigerator immediately after defrosting can lead to water hammer of the compressor. This is one of the most common causes of breakdowns after “defrosting”. If, after turning on, the refrigerator does not cool or makes unusual sounds, immediately turn it off and call a technician.

What to do if the refrigerator does not turn on after defrosting?

If the refrigerator does not respond to turning on network, check:

1. Fuse —the surge protection may have tripped.

2. Power cord —inspect the plug and cable for damage.

3. Door contacts —in some models (for example, Samsung RB37J5230SS) the refrigerator will not turn on if the door is not tightly closed.

If the problem is not solved, diagnostics of the electronic control unit is required.

Frequent errors during “defrosting” and how to fix them avoid

Even experienced users sometimes make mistakes that lead to breakdowns. Here are the most common of them:

  • ❄️ Using sharp objects to remove ice: knives, forks and spatulas can puncture the evaporator or damage freon tubes. To remove ice, use a plastic scraper or wooden spatula.
  • 🔥 Using boiling water or hot objects: sudden temperature changes can cause cracks in plastic parts or deformation of seals. The maximum water temperature to accelerate defrosting is 40–50°C.
  • Interrupting the cycle defrosting: if you turn on the refrigerator before the ice is completely removed, moisture may freeze on the evaporator and cause system failure No Frost.
  • 🧴 Use of aggressive detergents: bleach, acetone or abrasive powders destroy the antibacterial coating and seals. For cleaning, use special products (for example, Top House or Sano Refrigerator Cleaner) or a soda solution (2 tablespoons per 1 liter of water).

Pay special attention to the rubber seals. Once thawed, wipe them with a weak solution of vinegar (1:1 with water) to remove mold and bacteria. If the rubber bands have lost their elasticity or are cracked, they must be replaced - otherwise the refrigerator will work with overload, which will lead to increased energy consumption and wear on the compressor.

⚠️ Attention: In refrigerators with the system No Frost it is strictly forbidden to block the ventilation holes with food. This interferes with air circulation and causes ice to form, even if the defrost system is working properly. Check the location of the products every time after loading.

When professional help is needed: signs of a malfunctioning defrost system

If you notice the following symptoms, do not try to “defrost” the refrigerator yourself - a specialist diagnosis is required:

  • ❄️ Ice builds up in the freezer faster than usual (layer thickness more than 5 mm per week).
  • 🔊 The refrigerator makes uncharacteristic sounds: loud buzzing, cracking or clicks (may indicate a malfunction of the defrosting heating element or fan).
  • 💡 An error appears on the displayassociated with the defrosting system (for example, dF, d5, Fd in models Samsung, LG, Beko).
  • 🌡️ The temperature in the chambers does not correspond to the set temperature (for example, in the freezer +5°C instead of -18°C).
  • 💦 Water constantly accumulates under the refrigerator (a sign of a clogged drainage system or a malfunction of the evaporator).

Average cost of defrosting system repair in service centers:

Type of fault Repair cost (RUB) Repair period
Replacement of defrosting heating element 2 500 – 4 000 1–2 hours
Repair of the defrost sensor 1 800 – 3 500 1 hour
Cleaning the drainage system 1 200 – 2 000 30–40 minutes
Replacement of the control board (in case of failure defrosting program) 5 000 – 12 000 2–3 hours

If your refrigerator is under warranty, do not try to repair it yourself. In most cases, the warranty applies to the defrosting system, but only if the user did not interfere with its operation. For example, in refrigerators Indesit and Ariston warranty. No Frost is valid for 5 years, but only if the service was carried out according to the instructions.

⚠️ Repair details and warranty conditions may vary depending on the model and region. Check the latest information in the official service center or in your personal account on the manufacturer’s website.

FAQ: Frequently asked questions about defrosting. refrigerator

Is it possible to defrost a refrigerator No Frost manually?

Yes, but only in case of emergency (for example, when there is a power outage for a long time). Under normal conditions, refrigerators No Frost do not require manual defrosting - If ice builds up. this is a sign of a malfunction, and not the need for “defrosting.”

How long does it take to defrost a refrigerator?

The time depends on the thickness of the ice and the temperature in the room:

  • A thin layer of ice (up to 5 mm) - 1-2 hours.
  • Middle layer (5-10 mm) - 3-5 hours.
  • Thick ice (more than 10 mm) - 6-12 hours.

Do not speed up the process with a hairdryer or boiling water - this can damage the refrigerator.

Do I need to thaw a new refrigerator before turning on for the first time?

No, modern refrigerators do not require pre-thawing. It is enough to wipe the internal surfaces with a dry cloth and turn on the device. The exception is refrigerators stored in an unheated warehouse at sub-zero temperatures (in this case, let them stand for 2-3 hours at room temperature before turning on).

What to do if after After defrosting, the refrigerator does not cool?

Possible causes and solutions:

  1. Hydraulic shock of the compressor — turn off the refrigerator for 12–24 hours, then turn it on again. If this does not help, the compressor needs to be replaced.
  2. Freon leak —repair is required. service center (cannot be fixed on your own).
  3. Control board failure - try resetting the settings (turn off the power for 10 minutes). If this does not help, you need diagnostics.

Do not turn on the refrigerator again after short intervals - this can aggravate the breakdown.

Is it possible to use chemicals to speed up thawing?

No, it is strictly prohibited. Chemical reagents (for example, salt or special “defrosters”) can damage plastic, metal parts and seals. The only acceptable remedy is warm water (not higher than 50°C). containers installed inside the chamber.