How to use the air humidifier Xiaomi Humidifier 2: full instructions with tips

The Xiaomi Humidifier 2 is one of the most popular devices in Xiaomi’s line of smart appliances, combining ease of control, efficiency and integration into the Mi Home ecosystem. However, even such a simple device requires the right setup and care to last for many years and maintain an optimal climate in the home.

In this article, we will explore all the nuances of working with Xiaomi Humidifier 2: from the first connection and basic functions to the intricacies of care, connecting to the application and solving typical problems. You will learn how to set up automatic mode, what filters to use, why the device can make strange sounds and how to avoid it, and also why you can not pour ordinary tap water into the tank and what it threatens.

If you've just bought this humidifier, or you've been using it for a long time, but you want to reach 100% of its potential, this is the guide for you. Let's start with the most important thing: preparing for the first run.

Preparation of the Xiaomi Humidifier 2 humidifier for the first use

Before the first turn on the device, several mandatory steps must be taken, and neglecting them can lead to improper operation or even failure.

First, unpack the humidifier and check the kit.

• 📦 Xiaomi Humidifier 2 with a water tank
• 🔌 Power adapter (5V/2A)
• 📄 Instructions in Chinese (the Russian version is not included in the package)
• 🔄 Removable filter (in some versions sold separately)

Pay special attention to the filter. Humidifier 2 uses an antibacterial filter that prevents microbial reproduction in the water. If it is not included, do not turn on the device without it, otherwise you risk spraying not only water but also bacteria around the room.

Follow the step-by-step instructions:

1. Remove the top cover of the tank by turning it counterclockwise.
2. Wash the tank and base of the humidifier with warm water without detergents.
3. Install the filter in a special compartment (it is under the lid at the base).
4. Pour distilled or boiled water into the tank (volume up to 4.5 liters).
5. Close the cover and connect the device to the network.

Remove the tank cover|Wash all parts without detergents|Install the filter|Pour distilled water|Connect to the socket-->

After connecting to the network, the indicator on the control panel should light up in blue, which means that the device is ready to go. If the indicator flashes red, check the water level or the filter installation is correct.

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If you use tap water, pre-spoil it for at least 12 hours or pass it through a household filter, which will reduce the build-up of scale inside the device.

Utility control: buttons, modes and indicators

Xiaomi Humidifier 2 has a minimalist control panel with a single touch button and a light indicator, let’s understand what all the signals mean and how to switch modes.

The main elements of the panel:

• 🔘 Touch button - on/off and switching modes.
• 🌡️ Humidity indicator – shows the current level (if connected to Mi Home).
• 💧 Water level indicator – lights up red if water is less than 0.5 liters.

Device operating modes:

In automatic mode, the humidifier will maintain a humidity of 60% (if not connected to the Mi Home), when you connect to the application, you can set any value from 40% to 80%. In manual modes, the spray intensity is fixed, but you can change it at any time with a button.

Automatic.|Manual (medium)|Nighttime|I don't know which one to choose.-->

If the light flashes red, it signals a critically low water level or a clogged filter, in which case the device automatically shuts down after 30 seconds.

⚠️ Warning: If the humidifier suddenly stops spraying water, but the indicator is green, check if the nozzle hole is clogged. Clean it with a cotton swab dipped in vinegar.

Connect to Mi Home app and configure smart features

Without a connection to the Mi Home, the Xiaomi Humidifier 2 works like a regular button-controlled humidifier, but it is the integration into the Xiaomi ecosystem that unlocks its potential: remote control, scheduled automation, bundling with other devices (such as the Xiaomi Temperature and Humidity Sensor).

To connect the humidifier:

1. Install the Mi Home app (available for Android and iOS).
2. Sign up or sign in to your Xiaomi account.
3. Press + → Add the device → Air humidifier.
4. Hold the button on the humidifier for 5 seconds until the indicator starts flashing orange.
5. Connect to a 2.4GHz Wi-Fi network (5GHz not supported!) and follow the instructions in the app.

After connecting to the device menu, additional settings will appear:

• 📊 Targeted humidity – you can set a value from 30% to 80%.
• ⏰ Timer – Automatic shutdown in 1-12 hours.
• 🔄 Fan mode - intensity selection (low/medium/high).
• 🌙 Night mode – switching off indicators and reducing noise.
• 🔗 Automation – bundling with other devices (e.g., turning on when humidity is below 45%).

One of the most useful benefits of connecting to the Mi Home is to display the current humidity in real time.If you have a Xiaomi Temperature and Humidity Sensor, the humidifier can automatically turn on when the humidity drops below a predetermined threshold.

You can also set up a work schedule in Mi Home, such as turning on the high-power humidifier from 22:00 to 7:00 (when you sleep) and switching to economical mode during the day.

⚠️ Note: If the humidifier is disconnected from Wi-Fi, try reconnecting it by holding the 10 second button until the settings reset. Also check if your router is blocking the connection of Xiaomi devices (sometimes disabling the feature helps). AP Isolation).

Care and cleaning: how to extend the life of a moisturizer

Even the most reliable device will not last long without regular maintenance. In the case of Xiaomi Humidifier 2, the main problems arise from scale, bacteria and clogged filter. To avoid this, follow simple rules.

Weekly care:

• 🚰 Pour the remaining water and rinse the tank with warm water.
• 🧼 Wash the inner surfaces with a soft sponge (without abrasives!).
• 🔄 Check the condition of the filter - if it has darkened or covered with plaque, it is time to replace it.

Monthly care:

• 🍋 Perform a deep cleaning: pour into the tank a solution of water and citric acid (2 tbsp. l. per 1 l) for 1 hour, then rinse.
• 🧹 Clean the sprayer with a cotton swab dipped in vinegar (this will remove the scale).
• 🔧 Check the sealing ring on the lid - if it cracks, replace (you can order on AliExpress).

The filter in Humidifier 2 lasts 3-6 months (depending on the hardness of the water). When it wears out, the humidifier begins to spray water worse, there is an unpleasant odor. Using a device with an expired filter can lead to the spraying of harmful microorganisms.

Replacement of the filter can be done independently:

1. Turn off the humidifier from the network and drain the water.
2. Remove the base cover and remove the old filter.
3. Wash the filter compartment under running water.
4. Install a new filter (original art. PMF01ZM analogue).

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Never use a humidifier without a filter or with homemade "substitutes" (wool, gauze, etc.) This disrupts air circulation and leads to mold reproduction.

If you notice that the humidifier is making more noise than usual or is not spraying water well, the problem is probably the scale on the ultrasonic membrane.

1. Pour the water and disconnect the tank.
2. Turn the base and carefully remove the membrane (it is under the plastic cover).
3. Wash it in a solution of vinegar (1:1 with water) for 10-15 minutes.
4. Install it back and check the work.

Typical problems and their solutions

Even when properly operated, Xiaomi Humidifier 2 can cause problems, most of which are solved on their own, without going to the service center.

Problem 1: The humidifier is not switched on

• 🔌 Check the connection to the socket and the integrity of the cable.
• 💧 Make sure there is water in the tank (minimum 0.5 liters).
• 🔄 Try resetting by holding the 10 second button.
• 🔋 If the indicator does not burn at all, the power supply may have burned (replacement is needed).

Problem 2: Does not spray water, but the indicator is on

• 🚫 Check if the filter is installed correctly.
• 🔍 Clean the sprayer from scale (see the instructions above).
• 💦 Water may be too hard – try distilled water.
• 🛠️ If the membrane is damaged, a replacement (original artwork) will be required. XMH02MEM).

Problem 3: Heavy noise or vibration

• 🏠 Make sure the device is on a flat surface.
• 🔧 Check if the membrane has weakened.
• 💧 Possibly garbage got into the tank - wash it.
• 🔄 If the noise appears after cleaning, check if the device is assembled correctly.

Problem 4: The humidifier is shutting off Wi-Fi

• 📶 Reconnect it to the network (hold the 5 sec button).
• 🔄 Reboot the router.
• 📵 Check if the firewall blocks the connection of Xiaomi devices.
• 📱 Update the Mi Home app to the latest version.

Problem 5: Bad smell

• 🧼 Wash the tank and filter thoroughly.
• 🍋 Do a citric acid cleaning.
• 🔄 Replace the filter (if it is older than 3 months).
• 💧 Use only distilled or boiled water.

If none of these methods worked, please contact Xiaomi Service Center. In Russia, official support is provided by Xiaomi Russia (website: mi.com/ru/support). Don’t forget that the warranty on Humidifier 2 form 12 months from the date of purchase.

Advice on effective use

To make the humidifier work as efficiently as possible, it is not enough to simply turn it into a socket. Here are some tips to help you achieve better results:

1. Optimal accommodation

• 📏 Distance to walls or furniture – at least 30 cm.
• 🌿 Do not place near plants (they may suffer from excess moisture).
• 🛋️ It is better to place at a height of 50–100 cm from the floor (for example, on the nightstand).
• 🚫 Avoid direct sunlight – this speeds up the growth of bacteria in the water.

2. Humidity control

• 🌡️ The optimal level for residential premises - 40-60%.
• 🛁 The bathroom can be increased to 60-70%, but not constantly!).
• 👶 In the nursery, it is better to keep 50-55% (too dry or moist air is harmful to the respiratory tract).
• 📉 If the humidity is above 70%, mold may appear on the furniture.

3. Electricity savings

• ⏰ Use a timer in Mi Home so that the humidifier only works at night.
• 🔋 During the day, switch to economical mode.
• 🌞 In summer, the humidifier can be used less often (or turned off completely).

4. Security.

• 👶 Do not leave your device unattended if there are small children in the house.
• 🐕 Make sure that pets do not drink water from the tank.
• 🔥 Do not place a humidifier near heaters or batteries.

If you use a humidifier in the bedroom, turn on the night mode - it reduces the noise level to 32 dB (this is quieter than the ticking of a wall clock), and in this mode all indicators are turned off, which is important for sensitive sleep.

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To check the actual humidity in a room, buy a separate hygrometer (e.g., Xiaomi Temperature and Humidity Sensor 2).The built-in humidifier sensor isn't always accurate, especially if the device is standing in the corner.

Comparison with other Xiaomi models: which is better?

If you haven’t bought a humidifier yet or are thinking about replacing it, it’s helpful to compare the Humidifier 2 to other popular Xiaomi models.

Humidifier 2 is the middle ground in terms of price/quality, and it’s good for most apartments, especially if you already have other Xiaomi devices and want to manage everything from one app. If you need a large area of coverage or additional functions (for example, water heating), pay attention to the models. CA1 or CJXJSQ02ZM.

Another important point is the cost of consumables: filters for Humidifier 2 cost about 300-500 rubles and last 3-6 months. For comparison, filters for Smartmi Air Humidifier 2 cost 600-800 rubles, but you need to change them less often (every 6-8 months).

Where to buy spare parts and accessories

Over time, any humidifier requires replacement of filters, membranes, or other parts, and this is where you can buy them:

Official sources:

• 🛒 Mi Store (official Xiaomi stores in Russia).
• 🌍 Official website: mi.com/ru (section “Accessories").
• 📦 AliExpress (official Xiaomi or Mi Store).

Informal (but verified) sources:

• 🛒 Wildberries, Ozon, Yandex Market (look for highly rated sellers).
• 🔧 Service centers engaged in repair of Xiaomi equipment.

When buying spare parts, pay attention to the items:

• 🔄 Filter: PMF01ZM (original B08L3Y7Q1F (analogue).
• 💧 Membrane: XMH02MEM.
• 🔌 Power supply: 5V/2A (Anyone with these parameters is fine).

The cost of the original filters is about 400-600 rubles, analogues - 200-300 rubles. The membrane will cost 500-800 rubles. Remember that cheap non-original filters can be worse at dealing with bacteria and clog up faster.

If you are not sure about the compatibility of the part, check the reviews or ask the seller for your humidifier serial number (it is listed on the sticker below).

FAQ: Frequent questions about Xiaomi Humidifier 2