Refrigerators LG GA with the system No Frost are considered one of the most unpretentious to maintain, but even they require periodic defrosting - contrary to the widespread myth about “eternal” operation without ice. If your model begins to make noise louder than usual, frost appears on the back wall, or the temperature in the chambers no longer remains stable, these are sure signs that it’s time to start defrosting. In this article we will analyze step-by-step algorithm for LG GA (including modifications from Inverter Linear Compressor), pay attention to the nuances of preparation and tell you how to avoid typical mistakes that lead to breakdowns.
It is important to understand: Even if your refrigerator is equipped with a Total No Frostsystem, this does not mean that condensation and ice do not form at all. They accumulate in hidden areas - for example, on the evaporator or in the drainage system. The manufacturer recommends defrosting at least once every 12-18 months, but with intensive use (frequent opening of doors, high humidity in the room), the interval is reduced to 6–8 months. Neglecting this procedure is fraught not only with an increase in energy consumption, but also with the risk of compressor failure.
Why does the LG GA refrigerator need to be defrosted, even if it is No Frost
System No Frost v models LG GA works on the principle of forced circulation of cold air, which prevents the formation of ice on visible surfaces. However, this does not mean that moisture disappears without a trace. Here's what's actually happening:
- 🔄 The evaporator freezes —a hidden element located behind the back panel of the refrigerator compartment. Over time, a layer of frost grows on it, which impairs heat transfer.
- ❄️ The drainage system becomes clogged —condensate flows through special channels, but if they are clogged, water accumulates at the bottom of the chamber or leaks out.
- ⚡ The compressor works for wear — a thick layer of ice on the evaporator causes the motor to turn on more often, which leads to overheating and shortened service life.
- 🦠 They multiply bacteria —even at low temperatures, pathogens can persist in microcracks in the ice, which then get onto the products.
In models LG GA-B459* and similar ones DoorCooling+ the problem is aggravated due to additional air ducts in the door - they can also freeze if the seal is worn out or the door does not close tightly. The manufacturer does not advertise this, but the service manuals clearly state: full defrosting once a year is required, even for inverter compressors.
Preparing for defrosting: what you need do before turning off the refrigerator
Improper preparation is the main cause of breakdowns after defrosting. For example, if you turn off the refrigerator LG GA s Smart ThinQ right during the cooling cycle, this may cause the controller firmware to fail. To avoid problems, follow this checklist:
Turn off the function Smart Diagnosis (if available) in the settings menu
Make sure the freezer door is closed tightly (check the seal)
Remove all foods and place them in cooler bags or basins with ice
Disconnect the refrigerator from the power supply by unplugging the plug from the socket (do not use the button on the panel!)
Prepare towels, sponges and containers for collecting water-->
Pay special attention sealing rubber —in models LG GA it often sticks to the body due to temperature changes. If you tear it off by force, you can damage the magnetic insert. It's best to carefully pry the edge with a plastic spatula or credit card. Also check if there is anything blocking the door from closing (such as protruding shelves or containers).
If your refrigerator is connected to the system Smart ThinQ, disconnect it from Wi-Fi through the app or on the device itself (Settings → Connection → Disable Wi-Fi) before defrosting. This will prevent false "fault" notifications during the procedure. In some models (for example, LG GA-B459SLQZafter defrosting, you may need to re-configure the network.
⚠️ Attention: If your refrigerator LG GA is equipped with a touch control display, do not press it with wet hands after defrosting - this may cause the contacts to short out. Use a dry cloth or gloves.
Step-by-step instructions: how to defrost an LG GA refrigerator correctly
The defrosting process for models LG GA differs from the standard algorithm due to the characteristics of the system No Frost and an inverter compressor. Here are the detailed instructions:
- Shutdown and wait. After you have removed the plug from the socket, leave the doors open for 10-15 minutes. This is necessary to equalize the temperature inside the chambers and prevent condensation on the electronic boards.
- Removing visible ice. If there is a thick layer of ice in the freezer (for example, due to a faulty seal), carefully chip it off plastic with a scraper. Metal objects can damage the internal coating.
- Cleaning the drain hole. Locate a small hole at the bottom of the rear wall of the refrigerator compartment - it needs to be cleaned with a cotton swab or a special brush (included with some models). A clogged drain causes water to accumulate under the vegetable drawers.
- Drying and ventilation. After the ice has melted, wipe all surfaces with a dry cloth and leave the refrigerator open for 1-2 hours. This is especially important for models with
DoorCooling+where moisture can remain in the air ducts. - Turning on and setting up. Connect the refrigerator to the mains, close the doors and wait until the compressor reaches the desired temperature (usually 2-3 hours). Do not load products right away - let the system stabilize.
To speed up the process, you can use fanby pointing it at the open chamber, but do not place it too close - the flow of hot air can deform plastic parts. It is also not recommended to use a hairdryer: a sharp temperature change is harmful to the seal and electronic components.
How long does it take to defrost LG GA: norm and deviations
The time for complete defrosting depends on several factors: the thickness of the ice layer, the room temperature and the model of the refrigerator. The table below shows the average values for the line LG GA:
| Parameter | Refrigerators with Inverter Linear Compressor | Refrigerators with conventional inverter compressor |
|---|---|---|
| Ice thickness up to 5 mm | 1–1.5 hours | 1.5–2 hours |
| Ice thickness 5–10 mm | 2–3 hours | 3–4 hours |
| Ice thickness more than 10 mm | 4–6 hours | 6–8 hours |
| Room temperature below +18°C | Time increases by 20–30% | Time increases by 30–40% |
If defrosting takes significantly longerthan indicated in the table, this may indicate a malfunction:
- 🔋 Problems with the compressor —if the refrigerator did not cool properly before defrosting, the motor may be worn out or the starting capacitor is faulty.
- 🌡️ No Frost fan does not work —in this case, the ice on the evaporator melts very slowly, even with the doors open.
- 🔌 Clog in the drainage system —water does not drain, accumulates at the bottom and freezes again.
For models LG GA s function Smart Diagnosis you can check error codes after defrosting. If a message appears on the display Er IF or Er FF, this indicates problems with the fan or temperature sensor - in this case, it is better to contact service.
⚠️ Attention: If, after defrosting, the refrigerator LG GA does not turn on or makes clicking noises without starting the compressor, do not try to turn it on again within 10 minutes. This may be a sign that the thermal protection has tripped - give it time to cool down.
Cleaning after defrosting: how and with what to wash the LG GA refrigerator
Cleaning the internal surfaces is no less important than the defrosting itself. Models LG GA use special antibacterial coatings (for example, BioShield in some modifications), which require careful care. Here's what you can and can't use:
| Product | Can be used | Cannot be used |
|---|---|---|
| Soap solution (laundry soap) | ✅ Yes, for the main cleaning | ❌ No restrictions |
| Vinegar solution (1:1 with water) | ✅ Yes, for disinfection | ❌ Do not leave for a long time - it may damage the seal |
| Soda (baking or soda ash) | ✅ Yes, to remove odors | ❌ Do not rub with abrasive sponges |
| Special products for refrigerators (for example, Top House) | ✅ Yes, if the packaging indicates “for No Frost” | ❌ Products with chlorine or acetone |
| Alcohol or vodka | ✅ Yes, for treating the seal | ❌ Do not spray on the display or sensors |
Pay special attention to the following areas:
- 🧊 Evaporator —wipe it with a soft sponge soaked in a vinegar solution. Do not use sharp objects!
- 🚪 Sealing rubber —wash it with soapy water and dry it if necessary, lubricate it with silicone grease. (for example, WD-40 Specialist).
- 💧 Drainage hole —after cleaning, rinse it with warm water using a syringe without a needle.
- 📱 Display and touch buttons —wipe with dry microfiber. To remove greasy stains, use special wipes for electronics.
After washing, do not rush to turn on the refrigerator - let it dry completely. In models with DoorCooling+ moisture may remain in the door ducts, which will lead to rapid re-freezing. To speed up drying, you can use adsorbents (such as silica gel packets) by placing them inside for 30–40 minutes.
What is the danger of cleaning the LG GA refrigerator with a steam generator?
Using a steam generator or hot water (above +40°C) can deform plastic parts, damage the antibacterial coating and cause corrosion of metal elements (for example, shelf fastenings). In addition, steam penetrates the electronics, which leads to short circuits. The manufacturer expressly prohibits this cleaning method in the instructions for the models. Typical errors when defrosting LG. GA and how to avoid them LG this cleaning method is expressly prohibited in the model instructions GA.
Typical mistakes when defrosting LG GA and how to avoid them
Even experienced users sometimes make mistakes that shorten the life of the refrigerator. Here are the most common of them and ways to prevent them:
- Using sharp objects to chip ice.
What happens: scratches on the inner coating lead to corrosion and deterioration of thermal insulation. In models LG GA s
Hybrid Coolingdamage to the air ducts disrupts air circulation.How to avoid: use plastic or wooden a scraper. To simplify the task, you can put a container of hot water (but not boiling water!) in the chamber and close the door for 10 minutes - the ice will fall away on its own.
- Turning on the refrigerator immediately after defrosting.
What happens: the moisture remaining on the parts freezes, forming a new layer of ice. Overload protection may work in the compressor.
How to avoid: wait for it to dry completely (at least 1 hour) and only then connect it to the network.
- Ignoring cleaning the drainage hole.
What happens: water accumulates under the vegetable boxes, an unpleasant odor appears, and später and mold appear.
How to avoid: clean the hole with a cotton swab or brush every defrost. In models LG GA with
Fresh Balancerclogged drainage leads to a failure in the air distribution system. - Defrosting in a hot room.
What happens: a sharp temperature change can cause deformation of the seal and cracks in plastic parts.
How to avoid: if the room is hotter than +25°C, postpone defrosting to the evening or use air conditioning.
Another one a common mistake is Incorrect loading of products after switching on. If you immediately fill the refrigerator with warm food, the compressor will operate at maximum power, which can lead to overheating. data-i="221">Wait until the display shows a temperature of +5°C (usually 1-2 hours).
- Plug in the refrigerator and close the doors.
- Wait until the display shows a temperature of +5°C (usually 1–2 hours).
- Place the food in portions, starting with the coldest (from the freezer).
⚠️ Attention: In refrigerators LG GA with functionSmart Coolingafter defrosting, the calibration of the sensors may be lost. If the temperature in the chambers does not correspond to the set one (for example, in the freezer +10°C instead of -18°C), reset the settings:Settings → Care → Reset temperature.
Frequently asked questions about defrosting LG GA refrigerators
Is it necessary to defrost an LG GA refrigerator with No Frost if there is no ice?
Yes, even if there is visually no ice. Condensation accumulates in hidden areas (evaporator, drainage), which impairs the operation of the system. at least once a year, and with intensive use - every 6 months.
Is it possible to speed up defrosting with a hair dryer or hot water?
Using a hair dryer is not recommended - hot air can deform the plastic and damage the seal. Hot water (up to +40°C) can be placed in the chamber in a container, but not poured directly. The optimal way to accelerate is fandirected into the open door.
After defrosting, the LG GA refrigerator does not turn on.
First check:
- Is the refrigerator connected to the outlet (the power indicator should be on).
- If the thermal protection of the compressor has tripped (wait 10-15 minutes and try again).
- Are error codes displayed on the display (for example
Er FF—fan malfunction).
If the problem persists, contact the service center. Possible reasons: malfunction of the compressor, control unit or sensors.
How often should you defrost an LG GA refrigerator with an inverter compressor?
Inverter compressor (including Inverter Linear Compressor in models LG GA) is more resistant to loads, but this does not eliminate the need for defrosting:
- During normal operation - 1 time per day. 12–18 months.
- If there is high humidity in the room or frequent opening of doors - once every 6-8 months.
- If the refrigerator makes uncharacteristic sounds (humming, crackling) - unscheduled.
Is it possible to defrost an LG GA refrigerator without unplugging it?
No, this It is strictly prohibitedFirstly, there is a risk of electric shock when contacting water. Secondly, modern models LG GA have protection against turning on during defrosting - when trying to start. an emergency shutdown may occur. Always Remove the plug from the socket Before starting the procedure.