Xiaomi foaming agent: how to fill and repair

Xiaomi Mijia automatic dispensers have become a popular hand hygiene gadget due to their stylish design and ease of use. However, many owners face the problem when the device stops feeding foam, although the liquid seems to still be there, or the pump begins to work intermittently. Understanding the principle of the sensor mechanism and the pump design allows you to quickly fix the malfunction without buying a new device.

The main challenge is that the original removable cassette often ends up faster than you would like, and the cost of consumables can be high. Fortunately, most models, such as the Xiaomi Mijia Auto Induction Hand Washer, allow for the possibility of reusing the container and self-refilling with liquid. This not only saves the budget, but also allows you to experiment with different types of soaps, adapting the device to your preferences.

In this article, we will discuss the process of extracting and filling the tank, and pay special attention to cleaning the fluid intake tube. The main reason for failure is thickened liquid, which clogs the thin channels of the pump. If you learn how to properly maintain this gadget, it will last you for many years, ensuring a stable supply of foam.

Principle of operation and design of the dispenser

To refuel a device successfully, you need to have a clear picture of the internal structure of the device, and the dispenser consists of two main parts: an upper motorized head with an infrared sensor and a lower liquid tank, and it is at the top that there is a mechanism that pumps air and mixes it with the liquid to create foam.

The key element here is the fence tube that goes down to the bottom of the vial, and it has a special filter mesh that prevents large particles from entering the mechanism, and if this filter gets clogged, the pump will buzz, but the liquid will not flow, and it's important to understand that the system is designed to have a certain viscosity of the composition.

• 🧴 The top cover contains a motor, battery and motion sensor that responds to hand-holding.
• 🌬️ The aeration mechanism mixes air and soap solution in proportion to ensure foam density.
• 🔋 Power is provided by the built-in battery, which is charged via the Micro-USB or Type-C port depending on the model.

⚠️ Attention: The upper part of the device is strictly impossible to immerse in water or wash under the tap, as there is electronics inside.

Some users try to disassemble the top to clean it from the inside, but this almost always leads to breakage, just rubbing the foam outlet nose regularly with a wet wipe, removing dried soap residue, and this will prevent traffic jams from forming at the exit.

Choosing the right liquid for refueling

The most common question when switching to reusable is how to refill the dispenser. Xiaomi's original liquid has a specific formula that is easily foamable. However, the market offers many alternatives that work just as well if you get the right concentration.

Ideal liquid soaps labeled "automatic dispensers" or baby hypoallergenics are usually optimal viscosity. If you use regular liquid soap from the supermarket, it often has to be diluted with water, as it can be too thick for a thin pump tube.

When mixing liquid with water, it is important to observe proportions so as not to disrupt the foaming mechanism. Too watery solution will simply drip, not foam, and too thick will create excess pressure that the pump can not overcome.

• 💧 Standard dilution proportion: 1 baking 3-4 part of distilled or boiled water.
• 🚿 Shower gels are not recommended due to the high content of fragrances and dyes that can clog the system.
• 🧪 Liquids with abrasive particles or scrubbing effect are strictly prohibited for use in Xiaomi Mijia.

Step-by-step: how to remove and fill the bottle

The filling process is simple enough, but it requires care not to get your desk or your clothes dirty. First, you need to remove the top of the dispenser, and then you take the device with one hand at the base, and then you have to hold the lid firmly and turn it counterclockwise, and you usually need to do a few turns until the thread is free.

Once you remove the lid, you'll see the neck of the plastic container open, and if you have an old liquid inside, you'd better drain it or use it all before adding a new one, and mixing different chemicals can lead to unpredictable reactions or precipitation.

The best way to fill a new liquid is to use a small funnel so that you don't spill a drop on the thread. If there's no funnel, you can use a syringe without a needle or gently pour a thin stream down the wall. Once filled, you need to tightly twist the lid back to the characteristic click or stop.

It's important to keep an eye on the fluid level, and not to pour it all the way to the edges, and you need to leave a little air gap so that when you twist the lid, you don't squeeze excess soap out through the tube, and you need to keep the pressure system inside the bulb working properly.

Cleaning the system and removing blockages

If the dispenser stopped foaming or started making strange noises, the most likely problem is the blockage, most often the soap dries out of the tube or the filter clogs at the bottom of the container, and it will require warm water and patience to solve this problem.

First, take the top off and look at the fluid intake tube, and there's a little net at the end of it, and it needs to be rinsed gently under a stream of warm water, and you can even shake the container slightly to remove the sticky particles, and in some cases, it helps to soak the tube in warm water on warm water. 10-15 minute.

It is also worth checking the output pipe on the top cover, which often accumulates dried crust, which prevents the release of the foam, wipe the place with a cotton swab dipped in warm water, after assembly, the device may need several presses (about 5-7 times) to start the circulation of the liquid again.

Problems with the battery and sensor

Sometimes the problem is not the liquid, but the power source. Xiaomi's automatic dispensers are powered by built-in batteries that are depleted over time. If the device is no longer responsive to your hands, check the charge first.

Connect the dispenser to the charger. The indicator should catch fire. If the indicator flashes or does not light at all, try replacing the cable or power supply. Sometimes the problem lies in the oxidation of the charging port contacts, especially if the dispenser was in a wet bathroom.

• 🔌 Use good quality cables as cheap analogues may not give enough current to charge.
• ⏱️ Full charging usually takes about 4-5 One charge lasts for several months of use.
• 🛑 Do not leave the device on charge longer than necessary, although the protection system usually turns off the current at full charge.

⚠️ Warning: If the dispenser was not used for a long time, the battery could go into a deep discharge. 30-60 minutes before trying to turn on.

Also worth mentioning is sensor sensitivity: If the foam is poured out too early or too late, it may be contaminated with the sensor itself. Wipe the black window with a soft cloth. Some models have sensitivity adjustment, but the basic versions of Xiaomi Mijia have a fixed setting.

Frequent errors in operation

Many users make common mistakes that shorten the life of the gadget, one of the most common is using thick creamy soaps without diluting it beforehand, and the pump simply can't pump that much mass, which causes the engine to overload.

Another mistake is ignoring regular cleaning, soap plaque tends to accumulate and harden, and if you don't wash the container and the pipe at least once a month when you're in active use, the device will fail much faster, and the hygiene of the dispenser itself is just as important as the cleanliness of the hands.

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If you are going on vacation for a long time, it is better to wash the container with clean water and leave the dispenser off (or simply not use) so that the residues of soap do not dry inside the tubes.

You should also not try to use a disinfectant disinfectant for alcohol-based disinfectants, alcohol can corrode plastic elements and seals, and create a fire hazard situation next to electronics.

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Timely washing of the system with warm water and the use of liquids of optimal viscosity is the key to a long and trouble-free operation of your automatic dispenser Xiaomi.

FAQ: Frequently Asked Questions