Modern Smart Inverter from the South Korean giant LG is not just a container for storing products, but a complex electronic device that requires competent approach when first turned on. Unlike old Soviet models, which began to freeze immediately after plugging the plug into the socket, a strict algorithm of actions is required here to preserve the life of the compressor.
Incorrect initial installation can lead to failure of an expensive inverter motor or disruption of refrigerant circulation. Many users make the folklore mistake of starting loading products in the very first hours of operation, which is strictly prohibited by the manufacturer’s technical documentation.
In this material we will analyze in detail all the stages: from unpacking and leveling the legs to pairing with a smart home via Wi-Fi. You will learn why you can’t turn on the unit immediately after delivery and how to correctly set temperature conditions through the application LG ThinQ.
Pay special attention to the transportation bolts and fasteners, which are often forgotten to be removed. If you just brought the equipment from the store, let it sit at room temperature for several hours, especially if the delivery took place in winter. The oil in the compressor must drain into the crankcase, and the condensate must completely evaporate.
Preparatory stage and selection of installation location
Before proceeding with the electrical connection, it is necessary to ensure the correct operating conditions. Inverter compressor sensitive to overheating, so the distance to walls and furniture must comply with ventilation standards. Typically, at least 5-10 cm is required from the back wall and 2-3 cm on the sides.
The floor must be perfectly flat. If the refrigerator wobbles, vibrations can be transmitted to the body, causing an unpleasant hum, which is often mistaken for a malfunction. Use a building level to check for levelness.
Remove all shipping materials, including tape, foam, and plastic shelf fasteners. There may be bags with documentation or fasteners inside - remove them before starting.
- 📏 Using a tape measure, measure the required distance from the walls for free air circulation.
- 🧹 Wipe the internal surfaces with a damp cloth and a mild detergent.
- 🔌 Make sure that the socket has grounding and can withstand current up to 16 Amps.
- ⏳ Allow the equipment to acclimatize for at least 2-4 hours after being brought in from the cold.
⚠️ Attention: Never connect the device to extension cords or tees. Direct connection to a stationary outlet with grounding is the only way to ensure stable operation of electronics and avoid fire hazards.
First start-up and run-in mode
The most critical moment is the initial launch. After the device has been kept warm, you can turn it on. The indicators on the control panel will light up and you will hear the characteristic sound of the engine starting. At this moment diagnostic system conducts internal components.
During the first 2-3 hours of operation, do not open the doors. This is necessary so that a stable temperature background is formed inside the chambers. If you start opening the doors ahead of time, the thermostat will give false readings and the compressor will work with increased load.
Modern models of the series DoorCooling+ or InstaView may make clicking or crackling noises in the first minutes of operation. This is normal: the plastic of the internal panels expands and contracts, and the refrigerant circulates through the system.
Recommended sequence of actions:1. Plug in.
2. Wait for the display to light up.
3. Set the base temperature (usually +3°C for the refrigerator compartment).
4. Do not open the doors for 3 hours.
Why can’t you load products right away?
Loading warm products into an empty chamber forces the compressor to work at maximum power for a long time. In the running-in mode without load, the system enters the operating mode smoothly, which extends the service life of the seals and the motor.
Adjusting temperature conditions
After the unit has been idle for several hours, you can begin fine tuning. The standard temperature for the refrigerator compartment is +3°C, and for the freezer - -18°C. These values are optimal for most products.
If you plan to store a lot of meat or fish, it makes sense to reduce the temperature in the main chamber to +1°C or +2°C. For models with a freshness zone Zero Cooler the settings may differ: about 0°C freezing is maintained there.
Control is carried out via a touch panel on the door or via a push-button interface hidden inside the chamber (depending on the model). Press the button Temperature or Fridge until the desired values are reached.
| Product type | Recommended zone | Temperature | Term storage |
|---|---|---|---|
| Dairy products | Middle shelf | +2...+4°C | 3-5 days |
| Raw meat | Bottom shelf / Zero Cooler | 0...+2°C | 1-2 day |
| Vegetables and fruits | Vegetable box | +4...+6°C | up to 7 days |
| Frozen berries | Freezer | -18°C and below | up to 12 months. |
⚠️ Attention: A sudden change in temperature settings (for example, from +5°C immediately to 0°C) may cause sensor errors. Change the parameters smoothly, at intervals of several hours.
Connection to Wi-Fi and the LG ThinQ application
Function Smart Diagnosis and remote control are the key features of the Smart Inverter line. To activate them, you need to connect the refrigerator to your home Wi-Fi network. This will allow you to receive notifications about an open door or change the temperature from your smartphone.
Download the application LG ThinQ on your smartphone (available for iOS and Android) and register an account. Make sure that your phone is connected to a Wi-Fi network with a frequency of 2.4 GHz (5 GHz networks may not be supported by some refrigerator modules).
Press the button on the refrigerator panel Wi-Fi (sometimes you need to hold it down for 3 seconds). The link indicator should start flashing. In the application, select “Add device”, find your refrigerator in the list and follow the on-screen instructions to enter the password for the router.
- 📱 Install the LG ThinQ application from the official store.
- 📡 Make sure that the router distributes a 2.4 GHz network.
- 🔗 Press the Wi-Fi button on the control panel of the refrigerator.
- ✅ Wait for confirmation of a successful connection in the application.
☑️ Checking the network connection
Diagnostics and elimination of common errors
During operation, error codes may appear on the display. The self-diagnosis system Smart Diagnosis helps to quickly identify the problem. For example, the code Er FF indicates a malfunction of the freezer fan, and Er CF indicates problems with the refrigerator compartment fan.
A common error Er SF indicates problems with the defrost sensor. In most cases, this can be solved by completely defrosting the refrigerator during the day (unplug it, leave it with the doors open).
If the refrigerator makes strange sounds or does not reach the temperature, try resetting the settings. To do this, you often need to hold down a combination of buttons, for example, Ice Plus and Temperature at the same time for 5-7 seconds until a beep sounds.
⚠️ Attention: If the error does not disappear after defrosting and rebooting, do not try to disassemble the back panel yourself. This may damage the freon pipes and void the warranty. Contact an authorized service.
Frequently asked questions from users (FAQ)
Why does the LG Smart Inverter refrigerator buzz loudly when starting up?
The inverter compressor does not operate constantly, but at variable speed. When the power increases suddenly (for example, after opening a door or loading groceries), it may produce a louder sound than older models. If the hum is accompanied by strong vibration, check the adjustment of the legs.
Is it possible to transport an LG refrigerator lying down?
Transporting it on its side is highly undesirable. If this is necessary, you can only lay it on the left side (from the hinge side) so that the oil does not leak into the cooling circuit. After transportation, the device must stand upright for at least 8-10 hours.
What to do if the ThinQ application does not see the refrigerator?
Make sure that the Wi-Fi module in the refrigerator is activated (the indicator is blinking). Check if the router is blocking new devices (MAC filtering). Try rebooting the router and the refrigerator itself, then repeat the pairing procedure.
How often do you need to defrost No Frost?
The technology Total No Frost assumes the absence of ice, so forced defrosting is rarely required - usually 1-2 times a year for hygienic cleaning. However, if you notice a build-up of ice in the corners, this may indicate a loose seal.