Transporting the refrigerator in a horizontal position is a necessary measure that can result in serious problems if you do not follow the rules for preparing for the first use. Even short-term operation of the compressor immediately after transportation “lying down” is fraught jamming of the motorwith oil leakage or failure of the capillary tube. The reason lies in physics: when tilted or horizontal position oil from the compressor gets into the cooling circuit, blocking the normal circulation of the refrigerant.
In this article - the exact waiting times before turning on with taking into account type of compressor (conventional, inverter, linear), ambient temperature and transportation duration. As well as step-by-step actions to minimize the risk of breakdown and maintain the warranty. If you transported the refrigerator in a car, van, or even on its side in an elevator, these recommendations will help you avoid costly repairs.
Why you can’t turn on the refrigerator immediately after transporting it lying down
The main danger is oil gets into the cooling circuit. In the normal position, the oil is located at the bottom of the compressor, but when tilted more than 40° or horizontally transported, it spreads through the tubes. If you turn on the refrigerator immediately, the oil:
- 🔧 Blocks capillary tube (thin channel for the refrigerant), which will lead to an increase in pressure and overheating of the compressor.
- ⚡ Will cause water hammer - sharp resistance when starting the motor, which can lead to winding breakage or jamming.
- ❄️ Will worsen heat transfer in the evaporator, reducing cooling efficiency by 30–50%.
The second risk is deformation of compressor suspension springs. When transported horizontally without securing, the vibration dampers may become dislodged, resulting in increased noise or vibration. Particularly vulnerable are models with linear compressors (for example, LG Inverter Linear Compressor), where position accuracy is critical for silent operation.
How long should the refrigerator stand: table by type of compressor
The waiting period depends on compressor design, the duration of transportation and the temperature in the room. Below is the current data for modern models (2018–2026). If your refrigerator is older, add +2 hours to the specified time.
| Compressor type | Standing transportation time | Room temperature | Minimum time waiting |
|---|---|---|---|
| Regular (piston) | Up to 2 hours | From +18°C | 6–8 hours |
| Regular (piston) | More 2 hours | From +10°C to +17°C | 10–12 hours |
| Inverter | Up to 1 hour | From +20°C | 4–6 hours |
| Linear (LG, Samsung) | Any | From +15°C | 12–16 hours |
| Any type | Any | Below +10°C | 18–24 hours |
Critical note: refrigerators with the system No Frost require 20% more time to settle due to additional air ducts where oil can accumulate. For example, for a model Atlant XM 4321-080 with No Frost and a piston compressor after 3-hour transportation lying at +15°C the minimum waiting time will be 12 hours.
Step-by-step instructions: what to do after transportation
Even if you have observed the waiting time, it is not enough to simply plug in the refrigerator. Follow this algorithm to avoid hidden damage:
- Install the refrigerator vertically on a flat surface. Use a level (allowable slope is no more than 2°).
- Remove from packaging and check the integrity:
- 🔍 Are there any dents on the back wall (they can damage the circuit).
- 🔌 Integrity of the power cord and plug.
- 💧 Traces of oil on the floor under the compressor.
- Leave it to settle according to the table above. At this time:
- ❌ Do not open the doors (this will disrupt the air circulation inside).
- ❌ Do not tilt the refrigerator to “help” the oil drain.
- Connect to the network and do the first startup:
- 🔌 Plug into a grounded outlet (required for inverter models!).
- ⚙️ Set the thermostat to the middle position (for example,
+5°Cfor a refrigerator camera). - ⏳ Let it work for 2-3 hours without loading products.
☑️ Preparation for first use
⚠️ Attention: If after turning on the refrigerator makes noise loud humming or clicking with pauses of more than 30 seconds —turn it off immediately! These are signs of water hammer. Restarting is possible only after 24 hours.
What happens if you turn on the refrigerator ahead of time
The consequences depend on the degree of oil entering the system and the compressor model. Here are typical scenarios:
- 🔥 Compressor overheating: the oil in the circuit impairs heat transfer, the motor wears out. After 1–2 years, a replacement will be required.
- 💥 Water hammer: if the oil has blocked the capillary tube, a sharp jump in pressure occurs upon startup. The compressor may jam or break the windings.
- ❄️ Insufficient cooling: the refrigerant does not circulate efficiently, the refrigerator does not gain temperature, and the freezer is covered with ice.
- 🔊 Increased noise: displaced compressor dampers cause vibrations that increase over time.
In 80% of cases, breakdowns do not appear immediately, but after 3-6 months of operation, when the warranty expires term. For example, Embraco compressors (installed in Indesit, Ariston, Beko) are especially sensitive to oil starvation - their service life after water hammer is reduced by 2-3 times.
Signs of hidden breakdowns after early start-up
If the refrigerator is lying down after transportation:
- It takes longer than 12 hours to gain temperature.
- The compressor turns off after 1-2 minutes of operation.
- Condensation appears on the back wall (not to be confused with the usual “crying” wall).
- The freezer becomes covered with a snow “coat” in 1–2 days.
→ These are signals that oil has entered the system. Contact the service to diagnose the pressure in the circuit.
Features for refrigerators with inverter and linear compressors
Inverter and linear compressors (LG, Samsung, Hitachi) are more sensitive to transportation due to:
- 🔄 Constant speed control: oil must evenly lubricate moving parts, and its absence leads to accelerated wear.
- 🎯 Precise balancing: displacement of the dampers by 1–2 mm causes vibrations, which in inverter models intensify due to variable load.
- 💻 Electronic control: sensors may falsely trigger an “overload” if the oil has blocked the circuit.
For such refrigerators:
- Increase the standing time by 30% relative to the table.
- After turning on, do not load the freezer with food for the first 24 hours (1–2 kg is enough for the test).
- Use voltage stabilizer (inverter compressors are sensitive to surges).
⚠️ Attention: Refrigerators Samsung with Digital Inverter technology have a self-diagnosis function. If, after transporting it lying down, an error5Eor8Eappears on the display, this is a sign of a compressor malfunction. Immediately turn off the power and call a technician.
Frequent errors during transportation and their consequences
Even if you have waited the right time, some actions reduce your efforts to nothing. Here's what you can't do:
- 🚛 Transport the refrigerator on its side without fixing → risk of displacement of the compressor and broken pipes.
- 🔄 Tilt the refrigerator "back and forth" to speed up the drainage of oil → this will only distribute the oil along the circuit.
- ❄️ Turn on in an unheated room (below +10°C) → the oil thickens and the compressor operates under increased load.
- 🔌 Use extension cords or tees when turning it on for the first time → power surges can cause damage electronic unit.
Typical example: after transportation Atlant MHM 1705-80 owners tilt it “to speed up” and turn it on after 4 hours. The result is that after a month the compressor begins clicking and buzzing, and the technician diagnoses jamming of the piston due to oil starvation.
FAQ: Answers to frequently asked questions
Is it possible to speed up the oil settling process?
No. Neither tilting, nor heating, nor shaking will help. The oil should drain naturally under the influence of gravity. Any manipulations will only worsen the situation.
What to do if the refrigerator has already been turned on immediately after transportation?
If it works without extraneous sounds:
- Unplug it.
- Leave it to settle for 18–24 hours.
- Turn on again and observe for 2-3 days. If noise or poor cooling occurs, call a technician.
If you hear clicks or buzzing - do not turn it on again, contact service.
How to transport the refrigerator so as not to wait a long time?
Ideally - in a vertical position with fixation. If this is not possible:
- Lay on side (not on the back wall!).
- Maximum tilt angle is 40°.
- Secure the compressor and pipes with foam plastic or cardboard.
- After transportation, let it sit for at least 6 hours (even for inverter models).
Does the outside temperature during transportation affect the waiting time?
Yes. If the refrigerator was transported at temperatures below +5°C, the oil thickens. In this case:
- At +0...+5°C: increase the standing time by 50%.
- At negative temperatures: before turning on, let the refrigerator warm up to room temperature (at least 4 hours), then wait the standard time.
Is it necessary to defrost the refrigerator after transportation?
No, if it was turned off and defrosted before transportation. If there is ice left in it (for example, in the freezer), let it melt naturally to plug in.