Refrigerators Samsung with technology No Frost are positioned as not requiring manual defrosting - but this is not entirely true. Even in such models, ice accumulates on the evaporator over time, and fans distribute the cold less efficiently. If you notice that the unit has become louder, operates longer without shutting down, or frost has appeared on the back wall, it’s time to carry out preventive defrosting.
In this article we will look at step-by-step instructions for refrigerators Samsung No Frost (including models RB30, RT28, RS62** and other series), indicate critical errors that lead to compressor failure, and we will explain how often you need to defrost your equipment to extend its service life. All recommendations are based on the manufacturer’s official manuals and the experience of service centers.
Why does No Frost still need defrosting?
Technology No Frost (translated as “without frost”) implies automatic defrosting of the evaporator due to the built-in heater and fans that evenly distribute the cold. However, this does not mean that ice does not form at all. Here are the key reasons why defrosting is necessary:
- 🔹 Clogged drainage hole: over time, food particles and dust accumulate in the condensate drainage channel, which leads to stagnation of water and icing.
- 🔹 Wear of the door seal: even microcracks in the rubber break the seal, causing moisture to penetrate inside and condenses on the evaporator.
- 🔹 Overload with products: if the refrigerator is full to capacity, air circulation is disrupted and the No Frost system works less efficiently.
- 🔹 High humidity in the room: in regions with a humid climate or when installing equipment next to ice accumulates faster with a stove.
The manufacturer Samsung recommends defrosting 1–2 times a year even for models with Total No Frost (complete No Frost in both chambers). Ignoring this procedure can lead to:
- 🚨 an increase in energy consumption by 15–20%;
- 🚨 overheating of the compressor and a reduction in its service life;
- 🚨 the appearance of an unpleasant odor due to the growth of bacteria in condensate accumulations.
Preparation for defrosting: what needs to be done in advance
Improper preparation is the main reason breakdowns after defrosting. For example, if you unplug a refrigerator immediately after the compressor has been running for a long time, the risk of a short circuit in the start relay increases by 3 times. Follow this algorithm:
- Adjust the temperature 12 hours before defrosting:
- In the main chamber set
+4°C(instead of standard ones+5...+7°C). - In the freezer, raise the temperature to
-12°C(if it was lower).
- In the main chamber set
This will reduce the load on the compressor when turned on again.
- 🧊 2-3 microfiber towels (they absorb moisture better);
- 🧊 plastic ice scraper (not metal!);
- 🧊 fan or hair dryer on cold mode (to speed up process);
- 🧊 vinegar or a special cleaning agent (for example, Samsung Clean Guard).
Turn off the Vacation Mode function|Remove all products|Turn off the water supply|Prepare towels and water containers|Check the seal for damage-->
Important! Do not place the refrigerator on defrosting immediately after transportation. If you transported equipment (for example, after purchasing or moving), wait 4–6 hours before turning it on for the first time. This time is needed to stabilize the refrigerant pressure.
⚠️ Attention: If your The model Samsung is equipped with the functionPower CoolorPower Freeze, turn it off a day before defrosting. These modes force the operation of the compressor, and a sudden power cut can cause a failure in the electronic unit.
Step-by-step instructions: how to defrost a Samsung No Frost refrigerator
The defrosting process for models Samsung No Frost is different from classic refrigerators. The main rule: you cannot mechanically remove ice from the evaporator (it is hidden behind the back panel) Instead, you need to let the system defrost naturally. algorithm:
Step 1: Shutdown and ventilation
1. Press the button Power Cool (if available) to reset the intensive mode.
2. Unplug the plug from the socket. Do not use extension cords —this may cause voltage surges when turned on again.
3. Open both doors wide open and secure them (for example, with a chair). c French Door (two-door) open both doors.
4. Remove all shelves, drawers and grids. Wash them with warm water and soda (2 tablespoons per 1 liter of water).
Step 2: Speed up. defrosting
Natural defrosting takes 6–12 hours (depending on the ice layer). To speed up the process:
- 🌀 Use fan, pointing it at the open chambers. place it too close - 1–1.5 m is enough.
- 🌀 Place inside the chambers bowls with hot water (do not boil water!). Change the water every 30 minutes.
- 🌀 Wipe the drainage hole (usually located on the back wall of the main chamber) with a cotton swab soaked in alcohol.
Prohibited:
- ❌ Using a hair dryer in hot air mode - this can deform plastic parts.
- ❌ To crush the ice with a knife or fork - there is a risk of damaging the evaporator or tubes with freon.
- ❌ Putting the refrigerator on its side to “speed up” the flow of water - this disrupts the oil circulation in the compressor.
Step 3: Cleaning and drying
After complete thawing:
- Wipe all surfaces with a solution of vinegar (1:1 with water) or a special product. Pay attention to:
- The door seal (clean only with a soft sponge!).
- Ventilation grilles (they can be removed by pressing latches on the sides).
- Drain pan (located at the back of the refrigerator, under the compressor).
Step 4: Restart
1. Make sure all shelves and drawers are dry.
2. Insert the plug into the outlet. The display should light up (for example, --°C).
3. Close the doors and wait 10-15 minutes until the compressor starts working.
4. Load food gradually, starting from the freezer. Do not fill the refrigerator more than 70% in the first day.
⚠️ Attention: If, after turning on, the refrigerator does not cool, and the display shows an errorE ForE H, immediately disconnect it from the network. This may indicate a freon leak or a sensor malfunction. In this case, diagnostics are required at a service center.
How long does defrosting take?
Defrosting time depends on three factors:
- Thickness of the ice layer:
- Thin frost (1-3 mm) - 3-4 hours.
- Middle layer (up to 1 cm) - 6–8 hours.
- Severe icing (more than 1 cm) - 10–12 hours.
- Room temperature:
- At +20...+25°C - standard time.
- At +10...+15°C - 20–30% longer.
- Models with Twin Cooling Plus (double-circuit cooling) defrost faster.
- Refrigerators with SpaceMax (thin walls) require more careful drying.
| Ice thickness | Room temperature | Defrosting time (natural method) | Time with acceleration (fan + hot water) |
|---|---|---|---|
| Up to 5 mm | +20...+25°C | 3–4 hours | 1.5–2 hours |
| 5–10 mm | +20...+25°C | 6–8 hours | 3–4 hours |
| More than 1 cm | +15...+20°C | 10–12 hours | 5–6 hours |
| Heavy icing (snow coat) | Below +15°C | 12–15 hours | 6–8 hours |
Advice for owners of models with a dispenser: after defrosting, run 2–3 liters of water through the system to flush the tubes from possible deposits. To do this, press and hold the water supply lever for 10–15. seconds.
Common mistakes and how to avoid them
Even experienced users make mistakes that lead to breakdowns Here TOP-5 critical failures and their consequences:
- 🔴 Use of sharp objects to chip ice → puncture of the evaporator or freon tubes. Repair will cost 50–70% of the cost of the refrigerator.
- 🔴 Turning on the refrigerator immediately after defrosting → short circuit in the start relay. Symptom: the unit hums, but does not cool.
- 🔴 Washing internal surfaces with aggressive agents (for example, with bleach) → corrosion of metal parts and damage to plastic.
- 🔴 Ignoring cleaning the drainage hole → stagnation of water, unpleasant odor and mold.
- 🔴 Defrosting at high humidity in the room (for example, in the bathroom) → accelerated re-icing.
What to do if the refrigerator does not turn on after defrosting?
If the refrigerator does not respond to the network connection:
1. Check the outlet (connect another device).
2. Make sure the surge protector (if any) is turned on.
3. Inspect the power cord for damage.
4. If the indicators do not light up and the compressor does not hum, there may be a malfunction of the electronic unit or thermal relay. In this case, diagnostics are required in the service. Do not try to disassemble the refrigerator yourself - this will void your warranty (if it is valid).
Pay special attention to the models. with with an inverter compressor (for example, Samsung RB37J5230SS). Such refrigerators are sensitive to voltage surges. After defrosting, wait minimum 10 minutes before turning on - this time is needed to stabilize the pressure in the system.
How often to defrost a Samsung No Frost refrigerator?
The frequency of defrosting depends on operating conditions. Here are recommendations from Samsung and service centers:
| Operating conditions | Recommended defrosting frequency | Signs that it’s time to defrost |
|---|---|---|
| Normal humidity, the door closes tightly, no overload of products | once every 12 months | Ice on the back wall of the freezer compartment (visible through the ventilation grilles) |
| High humidity in the room, frequent opening of the door | once every 6 months | The refrigerator works without stopping for more than 1 hour |
| The refrigerator is installed near the stove or window | once every 4–5 months | The appearance of frost on food in the main chamber |
| A house with children or a large family (frequently opening the door) | once every 6–8 months | Unpleasant odor or increased noise of fans |
Important! For models with the function Auto Defrost (automatic defrosting), defrosting can be done less frequently - once every 18-24 months. However, this does not negate the need cleaning the drainage system every 6 months.
Care after defrosting: how to prolong the effect
To ensure that the next defrosting is not required soon, follow these tips:
- 🛡️ Control humidity:
- Store liquid foods (soups, milk) in closed containers.
- Wipe the inner walls with a dry cloth once a month.
- 🛡️ Check the seal:
- Clean the rubber with soapy water once every 2 months.
- If the seal is deformed, replace it (original ones for Samsung are marked with a code
DA97-06394A).
- 🛡️ Do not overload the chambers:
- Leave a gap of 2-3 cm between products for air circulation.
- Do not place hot dishes - cool them to room temperature.
- 🛡️ Use additional functions:
- Turn on the
Vacation(Vacation) mode if the refrigerator is not used for a long time. - Activate
Deodorizing Filter(if available) to combat odors.
- Turn on the
For models with ice maker (for example, RF23J9011SG) after defrosting, run the cycle Ice Off (if available in the menu) or manually remove the remaining ice from the hopper. This will prevent the mechanism from sticking.
⚠️ Attention: If after defrosting the refrigerator does not cool properly, check the temperature settings. In models Samsung with a display, after resetting the power, set:
- Main chamber:
+3...+4°C;- Freezer camera:
-18°C(or-20°Cfor long-term storage).Use the button
FridgeorFreezerto adjust.
FAQ: Answers to common questions questions
Is it possible to defrost a Samsung No Frost refrigerator with a hairdryer?
Yes, but only at cold mode and at a distance of at least 30 cm from surfaces. Hot air can deform the plastic or damage electronic components.
Why does the refrigerator make a lot of noise after defrosting?
This is normal in the first 1-2 hours: the compressor works in increased mode to restore the temperature. If the noise does not stop longer, check:
- Is the refrigerator level (adjust it). legs).
- Does the back wall touch the furniture or the wall?
- Is the fan clean (in models with No Frost it can become clogged with dust).
Do I need to defrost the freezer compartment separately?
No, in refrigerators Samsung No Frost both chambers are defrosted at the same time. However, if a lot of ice has accumulated in the freezer (for example, due to frequent opening), you can speed up the process by placing a bowl of hot water in it.
How can you tell if the drainage hole is clogged?
Signs of a blockage:
- Water accumulates under the vegetable drawers.
- A damp smell appears in the refrigerator.
- Ice forms on the back wall of the main chamber.
For cleaning, use special brush (included with some models) or a cotton swab soaked in alcohol.
Is it possible to defrost a refrigerator on the balcony in winter?
No at lower temperatures +10°C the oil in the compressor thickens, and when turned on this can lead to jamming. Defrost the refrigerator only in a heated room.