How to Clean Xiaomi Air Purifier: A Complete Guide with Photos and Life Hacks

Why it’s important to clean Xiaomi’s air purifier regularly

Xiaomi air purifiers are some of the most popular devices for maintaining a healthy microclimate in the house. They effectively filter dust, allergens, formaldehyde and even viruses, but only if properly maintained. Clogged filters and dusty fan blades do not just reduce performance — they can become a source of unpleasant odor or even bacteria reproduction.

According to research, contaminated HEPA-filter loses 60% their effectiveness through 3-4 This is a month of heavy use, and the turbine with a layer of dust starts to work louder and consumes more energy. In this article, we will discuss in detail how to clean the air purifier Xiaomi (models Mi Air Purifier). 2/3/4, Pro, Smart Air Purifier FJY4013GL and others) to serve longer and to work to the maximum of his ability.

You'll know:

• 🔧 How to disassemble a device without damage (even if you don’t have experience)
• 🧼 What detergents can be used and which ones will destroy the filters
• ⚡ How to Clean Turbine and Sensors to Avoid Errors E1 or E2
• 📅 Optimal service schedule for different conditions (apartment, office, house with animals)

Preparation for cleaning: what you need and safety measures

Prepare everything you need before you start disassembling. Incorrect cleaning can cause sensors to break or filters to damage, so follow the instructions carefully.

You will need to:

• 🧴 Soap solution (warm water) + neutral detergent, such as Fairy or Baby Line)
• 🧽 Soft sponge or microfiber cloth (do not use hard brushes!)
• 🪛 Screwdriver with a cross nozzle (for Pro and Max models)
• 🧷 Vacuum cleaner with narrow nozzle (for pre-cleaning from large dust)
• 📦 Airtight bag or container for filter drying

⚠️ Attention: Never wash HEPA-It destroys its fibrous structure, only dry vacuum cleaner or gently wiped with a wet sponge without pressing.

Also consider:

• ⚡ Disconnect the device from the socket 30 minutes before cleaning (even when turned off, the capacitors can store charge).
• 🌡️ The temperature of water for washing should not exceed 30°C – hot water deforms plastic parts.
• 📱 Prepare your smartphone with the Mi Home app to reset the filter counter after cleaning.

Step-by-step dismantling of the air purifier Xiaomi

Disassembly of most Xiaomi models (except the Pro and Max) does not require tools.

1. Remove the top cover by pulling it up (on Mi Air Purifier models) 2/3 It's on the latches. Pro versions, you can unscrew it first. 4 screw.
2. Remove the filter unit. In models with a combined filter (e.g, FJY4013GL) It consists of three layers: the pre-set (grid), HEPA And coal. 2S filters.
3. Disconnect the lower part of the body, where the turbine is located. To do this, press the locks on the sides (pro models will require a screwdriver).
4. Carefully remove the fan blades - they are attached to a magnetic or snapping base.

Important: Don't pull the wires of the sensors! in models with a laser sensor (Mi Air Purifier) 3H) It's connected to the board by a thin plume.

Cleaning filters: what can and can not be done

Filters are the most important and expensive element of the cleaner, and if they are not properly cleaned, they may require replacement (the cost of the original cleaning). HEPA-filter for Xiaomi - from 1500 to 3000 rubles. Let's figure out how to clean each type:

For deep cleaning of the pre-filter:

1. Soak it in warm water with detergent on 15-20 minute.
2. With a soft sponge, remove the contamination, paying attention to the folds.
3. Wash under a weak stream of water (the pressure should not deform the mesh).
4. Dry in the shade for at least 12 hours (in the sun, the plastic may turn yellow).

⚠️ Note: If after cleaning HEPA-And the filter left dark spots on it, which are mould colonies, and this filter needs to be replaced urgently, because it becomes a source of spores in the air.

💡

To extend life HEPA-In the filter, install an additional net of large dust in front of the cleaner (for example, a mosquito net), which will reduce the load on the main filter on the air. 20-30%.

Cleaning of turbines and internal components

The turbine is the heart of the cleaner, and the dust on the blades not only reduces performance, but also puts additional stress on the engine, which can cause it to overheat.

1. Remove the blades from the shaft (they are usually attached to the latch or thread).
2. Remove large accumulations of dust with a vacuum cleaner or brush.
3. Wipe the blades with a wet wipe, soaked in a solution of water and vinegar (1: 1) - this will help remove fat deposits.
4. Clean the shaft and bearings from dust with a dry brush (do not use oil or WD-40!).

For models with laser dust sensor (Mi Air Purifier) 3H/4):

• 📉 Wipe the sensor lens with a dry cotton swab (do not use alcohol!).
• 🔦 Check that the sensor does not get moisture – this will cause an error. E2.

If the turbine is noisy or vibrating after cleaning, check:

• 🔄 Balancing of the blades (they should sit exactly on the shaft).
• 🛠️ Condition of bearings (replacement will be required when worn out).

Assembly and testing after cleaning

Collect the device in reverse order, paying attention to the following points:

• 🔌 Make sure all sensor connectors are tightly connected (in Pro models, check the laser sensor plume).
• 🔄 Scroll the fan blades manually - they should rotate without backlash.
• 📱 Reset the filter counter in the Mi Home app: Open the device in the app. Go to Settings → Reset the filter counter. Confirm the action.

After assembly, turn on the cleaner and check:

• 🌀 Is there any extraneous noise or vibration.
• 📊 Correctness of the dust sensor readings (compare with the data before cleaning).
• 💨 Air speed at the exit (must correspond to the stated in the passport).

⚠️ Note: If an error is lit after cleaning the display E1, This means that the filter is not installed correctly or is not fully installed.

💡

After each cleaning of the turbine and filters, the purifier performance is restored to the 80-90%. Regular maintenance extends the life of the device in 1.5-2 once.

Frequent Mistakes and How to Avoid Them

Even experienced users sometimes make cleaning mistakes that lead to breakdowns.

A few more nuances:

• 🚫 Do not use metal objects to clean the turbine - they can scratch the blades and disrupt the balance.
• 🔋 If the cleaner does not turn on after assembly, check the fuse (in Pro models it is located next to the power supply unit).
• 🌬️ After replacing the filters, let the device work. 10-15 minutes at maximum speed to "blow" the system.

Maintenance schedule: how often to clean the Xiaomi cleaner

Cleaning frequency depends on the operating conditions, and here are recommendations for different scenarios:

Tips for extending the service life:

• 📍 Install a cleaner at least 30 cm away from walls and furniture for better air circulation.
• 🚪 In a room with a cleaner, avoid drafts - they knock down the sensor readings.
• 🌿 If there are plants in the house, place the cleaner away from them - some models (Mi Air Purifier 4) may react to vapors as pollution.

💡

In the Mi Home app, enable filter pollution notifications. Xiaomi's algorithm analyzes operating conditions and reminds you to clean in advance.

FAQ: Answers to Frequent Questions