How to Add Liquid Soap to Xiaomi Dispenser

Owning smart devices in the home greatly improves comfort, but even the most technologically advanced gadgets require proper maintenance. Xiaomi Mijia Auto Foaming Hand Washer automatic dispenser has become a popular solution thanks to its stylish design and foaming function, but many users face difficulties when first refueling or switching to another type of tool. Wrong actions can lead to a clogging pump or a sensor breakage, so it is important to clearly understand the algorithm of actions.

The main difficulty is that the device is designed to work with a special concentrate that is mixed with water in a certain proportion directly inside the tank. Using ordinary liquid soaps without prior preparation often leads to the fact that the mechanism stops supplying foam or gives out a too liquid solution. In this guide, we will discuss in detail the process of preparing the mixture, the procedure for filling and troubleshooting common problems.

Before you start to manipulate the liquids, you need to prepare the work area. The refueling process requires care, because getting water on the electronic contacts of the top cover can cause the device to fail. It is recommended to perform all actions on the sink or table, covered with a towel, to avoid unnecessary contamination and slipping in the hands.

Preparation of the workplace and necessary materials

To successfully operate Xiaomi’s smart dispenser, it’s important to assemble all the components in advance.The device comes with a basic set, but for long-term use you’ll need additional consumables.The standard kit includes the dispenser itself, a removable liquid tank, and a replaceable foam nozzle, but it’s not enough to be independent of the original cartridges.

  • 🧴 Original Xiaomi concentrate or high-quality analogue marked "Foaming Soap" for automatic dispensers.
  • πŸ’§ Distilled or filtered water to minimize scale formation on heating elements (if heated model) and pump.
  • 🧻 Dry lilaless fabric for wiping contacts and neck.
  • πŸ“ Measured syringe or beaker for exact compliance with the proportions of mixing.

Tap water is not recommended because the hardness salts in it will eventually become crystallized inside the pump's thin tubes, which can result in reduced performance or complete blockage of the mixture. Distilled water extends the life of the mechanism several times, keeping the supply pressure stable throughout its life.

⚠️ Warning: Never use abrasive cleaning products or hot water (above 40)°C) for washing the tank, as the plastic may deform and the pump may be thermally impacted.

Compatibility analysis: original vs. analogues

One of the most common questions is whether you can use third-party tools. Xiaomi engineers designed a foaming system based on the viscosity of the original concentrate. However, the market offers many alternatives, and it's important to understand which ones are safe for your device. The key parameter is the foaming ability at low pressure and its chemical composition.

Many users are experimenting with conventional liquid soap by diluting it with water. This is acceptable, but requires careful concentration. If the solution is too thick, the motor will not be able to turn the piston, which will overload the battery and possibly burn the control board. On the contrary, a too liquid mixture will simply drip without forming a characteristic air foam.

πŸ“Š What kind of product you use in the dispenser?
Original Xiaomi cartridge
Specialized concentrate for auto-dispensers
Ordinary liquid soap + water
Ready foam soap from the store

When choosing an analog, pay attention to the absence of large particles, oils or scrubbing elements in the composition. Any inclusions larger than 0.5 mm can get stuck in the reverse valve. Glycerin and natural oils in large quantities can also adversely affect rubber pump seals, causing them to swell and lose leakage.

Step-by-step instructions for filling the dispenser

The process of filling the tank requires a consistent execution of actions. First, you need to disconnect the top of the device of the speckle. To do this, the scab with one hand, and the second gently rotate the top module counterclockwise. Don't make excessive efforts to not disrupt the thread of the plastic connection.

β˜‘οΈ Process of filling the dispenser

Done: 0 / 1

After removing the module, examine the inner tube of the liquid intake. If it shows contamination, wash it with warm water. Next comes the most important step - preparation of the working mixture. In the original eyeglass, there are usually two labels: the bottom one indicates the level for the concentrate, the top one - the final level of the finished solution. Pour the concentrate to the first mark, then add water to the second one.

Once the components are filled, tightly twist the dispenser lid back into the eye. Turn the device over and shake it a few times intensely so that the components mix. Don't be afraid if there's a little foam inside the dispenser, which is a normal reaction. Set the dispenser on a flat surface and let it stand for 1-2 minutes before first use to stabilize the pressure inside the system.

Table of mixing proportions for different types of means

To achieve the perfect consistency of the foam, you must strictly follow the mixing ratios. Below is a table that will help you navigate depending on the type of product you use. The data is relevant for the standard volume Xiaomi Mijia (about 250 ml).

Type of instrumentProportion (Concentrate: Water)Volume of concentrate (ml)Volume of water (ml)
Original Xiaomi cartridgeReady to use50 (full bottle)200 (to mark)
Liquid concentrated soap1: 450200
Ordinary liquid soap.1: 635215
Means for washing dishes (economy)1: 825200

It is important to understand that the proportions can vary depending on the water temperature and the specific brand of soap.The optimal temperature of water for mixing is 20-25 degrees Celsius, since in cold water some components can dissolve worse, forming clots. If the foam is too dry and falls quickly, try to increase the proportion of concentrate slightly.

What to do if the foam is not held on your hands?
If the foam is watery and drains from your hands in seconds, it indicates an insufficient concentration of surfactants in the solution. Try to drain some of the liquid and add some more concentrate, then shake again carefully. Also, the problem may be the wear of the aerator mesh at the exit, which can be cleaned carefully with a toothbrush.

Setting sensitivity and volume of supply

Modern Xiaomi dispensers often have a foam volume adjustment, which is done by changing the length of the motor or the number of feed cycles, and some models do this through the Mijia app, others by holding a button or sensor when you turn on. The exact instructions depend on the specific modification of the device.

To adjust the app, you need to connect the dispenser to your smartphone via Bluetooth. In the device interface, find Dose Settings or Foaming Amount. By moving the slider, you can increase or decrease the amount of foam you give out. This is especially useful if you use thicker soap and the standard cycle is not enough for a full serving.

  • πŸ“± Children's regimen: reduces the portion and makes the foam softer so that the child is not afraid.
  • 🧼 Savings mode: provides the minimum amount required for a hygienic minimum.
  • 🚿 Deep cleaning mode: increases the running time of the pump for washing heavily contaminated hands.

If you don't have software, you can try the mechanical "calibration" method. Hold the feed sensor for 5-7 seconds (depending on the model) until the light flashes a certain color. This will reset the pump settings and can help if the device starts to "glut" and scoop foam. Resetting is also useful after a long idle device without electricity.

Remediation and prevention

You may experience situations in which the dispenser stops working properly, and the most common problem is that the device is buzzing, but the foam is not going, which indicates that the system is suffocating or the inlet valve is clogging, and first check the fluid level and make sure that the fence tube is not pressed against the wall.

⚠️ Warning: If the motor buzzes, but the foam does not go more than 10 seconds, immediately stop feeding attempts. Prolonged operation of the pump "dry" or under load can burn the engine winding.

To fix the air traffic jam, remove the top, blow the air intake tube (mouth or pear), and then reassemble the structure. Sometimes it helps to lightly tap on the palm bottom up so that air bubbles rise to the fence hole. If the problem persists, the old foam in the exit nozzle may have dried up - carefully clean it with a thin needle or toothpick.

πŸ’‘

To prevent the drying of foam in the nose, after each refill or prolonged downtime, wipe the outlet with a wet wipe, removing the remnants of the soap crust.

Features of care and storage of the device

The durability of the Xiaomi dispenser depends on the conditions of its operation. It is not recommended to leave the device under direct sunlight, since ultraviolet light destroys the plastic and can lead to fading of the body. In addition, heating in the sun can change the pressure of the inside of the glass and disrupt the foaming process.

If you plan to not use the dispenser for a long time (more than 2 weeks), it is better to empty the tank and wash the system with clean water. The soap left in the pump crystallizes over time, becoming a solid substance that is extremely difficult to wash without disassembling the mechanism. Regular washing with water once a month with constant use will also benefit the device.

πŸ’‘

The main secret of long service of the dispenser is the use of filtered water and timely cleaning of the outlet from dried foam residues.

Keep your spares in a dark, cool place, tightly closed, and getting dust or dirt inside your spare bottle can ruin your entire serving the next time you fill them, and following these simple rules will allow your smart assistant to serve faithfully for years to come, ensuring the hygiene of the whole family.

Can I use regular soap if I dilute it too much?
You can use regular soap, but the result can be unstable. Even with a strong dilution (1:10), regular soap often produces too liquid foam that drains quickly. Also, ordinary soaps can contain components that are harmful to Xiaomi pump rubber seals. It is better to use specialized concentrates for auto-dispensers.
Why does Xiaomi make a strange sound when working?
Extraneous sounds (screaming, crackling) usually indicate that a solid particle has entered the pump mechanism or that the gears are slipping due to wear. If the sound has appeared after filling with a new tool, most likely there are undissolved lumps in the solution. Try filtering the mixture before pouring.
How do you know if the batteries need to be changed?
The indicator on the dispenser body will flash red (usually 3 times in a row) when trying to release foam. Also, a sign of discharge is a noticeably weaker foam jet or an increase in sensor response time. In models with USB-C charging, the indicator will also report a low charge level.
Do I need to register the dispenser in the Mi Home app?
Registration is not required for the basic foaming function; the device will work offline immediately after the batteries are installed. However, connecting to the Mi Home app allows you to monitor the charge level, adjust the sensitivity of the sensor and portion volume, and receive notifications about the need to replace the cartridge.
What to do if the foam goes by itself?
Spontaneous foaming can be caused by contamination of the IR sensor (dust, soap spray) or software failure. Wipe the sensor area with dry soft cloth. If the problem does not go away, try removing the batteries for 5 minutes to completely reset the electronics, then insert them again.