Where and how to pour water into the robot vacuum cleaner Xiaomi: detailed instructions with nuances

Xiaomi’s wet-cleaning robot vacuum cleaners have become an integral part of a smart home for thousands of users. However, even experienced owners sometimes face the question of where to pour water to avoid damaging the device and maximize the efficiency of floor washing. Errors in refilling water can lead to leaks, breakage of the pump or even failure of electronic components.

In this article, we will analyze the exact location of water tanks in popular Xiaomi Mi Robot models (including the series). S5/S6/S7, Mop 2 Pro and others), explain the rules of refueling, taking into account the type of floor covering, and also provide a checklist checklist before starting cleaning. We will pay special attention to hidden nuances that are not written in the official instructions, for example, why in some cases water is not supplied to a napkin and how to fix it.

If you have just bought a robot vacuum cleaner or are faced with a problem when cleaning wet – this article will help to avoid typical errors and extend the life of the device.

Where is the water tank in Xiaomi robot vacuum cleaners: comparison of models

Depending on the Xiaomi model, the water tank can be located in different parts of the case, and below is a comparison table for popular series so you can quickly navigate.

Xiaomi Mi Robot Vacuum-Mop 2S And the newer water tank is often equipped with a level sensor that blocks the device from running when you overflow, so if your robot doesn't turn on the wet cleaning mode, check if the tank is properly installed -- sometimes you just need to reinstall it with a characteristic click.

⚠️ Note: Xiaomi’s robot vacuum cleaners are older than 2019 (e.g. Mi Robot) 1S) Attempt to add water to such devices will void the warranty and may cause electrical damage.

Step-by-step: how to properly pour water

Even if you find a water tank, improper refueling can lead to leaks or inefficient cleaning.

1. Disconnect the robot from the charging station and flip it over (if required to access the tank).
2. Remove the tank by pressing the lock or pulling the special latch (depending on the model).
3. Wash the tank with warm water (without detergents!), if this is not the first refill or there is an old liquid left in it.
4. Pour water to the mark MAX (For models with an electronic sensor (Mop 2 Pro), wait for the sound signal.
5. Install the tank back, making sure it is tightly fixed (should be heard clicking).
6. Check the napkin: it should be straightened and not block the water supply hole.

💡 Tip: For better sliding and protection of laminate / parquet, add 1-2 caps of a special cleaner for robot vacuum cleaners (for example, Xiaomi Mi Robot Detergent) to the water!

⚠️ If after refueling the robot gives an error Water tank error or does not spray water, check the water:

• 🔹 Tank adhesion density – even a small gap can trigger a leak sensor.
• 🔹 Cleanliness of pump contacts (at the bottom of the tank) - wipe them with a dry wipe.
• 🔹 Air in the system – several times press the spray button manually (if there is such a function).

What water can be poured: myths and reality

Many users mistakenly believe that you can put any water in a robot vacuum cleaner, from boiled to tap water, but in fact, the quality of the water directly affects the life of the pump and the efficiency of cleaning.

🚫 What can't be poured:

• 💧 Tap water without filtration - the salts and chlorine contained in it accelerate the wear of seals.
• 🧂 Hard water (high in calcium) - leads to the formation of a plaque at the pump.
• 🧴 Household detergents (such as Mr. Proper floor washing) – foam can clog the spray system.
• ☕ Hot water – deforms plastic parts of the tank.

✅ Recommended options:

• 💎 Distilled water is the perfect choice, but requires a purchase.
• 🚰 Filtered water (through a household filter jug) - a compromise option.
• 🧼 Water with detergent for robot vacuum cleaners (for example, Xiaomi or Dreame) – safe for technology.

🔬 Expert test: In the lab, it has been shown that using hard water reduces the life of a robot vacuum pump by 30-40%. If your area is hard water, make sure to use a filter or distilled water.

💡

To test the hardness of water at home, drop a few drops of water on a dry surface and wait for it to dry out. If there is white coating, the water is hard.

Frequent mistakes in water refilling and how to avoid them

Even experienced users sometimes make mistakes that lead to leaks or poor cleaning. TOP-5 The most common mistakes and ways to prevent them:

1. Water overflow above the mark MAX Consequences: water will enter the electronic block, which will lead to a short circuit. Solution: Use a measuring glass or watch the level indicator (in models with a sensor).
2. Use of non-original wipes Consequences: poor absorbency, robot sliding on the floor, divorces. Solution: Buy wipes labeled Xiaomi or Dreame - they have a special microfiber.
3. Refilling water with the robot on Consequences: sensor failure, false alarm. Solution: Always turn the device off the power before refueling.
4. Ignoring tank cleaning Consequences: bacterial multiplication, foul smell, clogging of the pump. Solution: Wash the tank after every 3-5 cleaning with warm water.
5. Installation of the tank without fixing Consequences: leaks, Water tank not installed error. Solution: Make sure the tank clicks with the characteristic sound.

📌 Case from practice: User of the robot Xiaomi Mi Robot S6 He complained about the constant leaks, and after his diagnosis, he was pouring water right into the dust collector compartment, confusing it with a water tank, which led to corrosion of contacts and repairs for 5,000 dollars. ₽. Always check the instructions!

How often should you change the water and clean the tank?

Many users forget that the water in the tank of a robot vacuum cleaner is an expendable material that requires regular replacement.

• 🏠 Daily cleaning (1 time per day): change water before each cleaning.
• 📅 Cleaning 2-3 times a week: it is enough to update the water 1 time in 2 days.
• 🌿 Rare cleaning (1 time per week): drain water after each cleaning to avoid stagnation.

🧽 Cleaning the tank: Wash the tank with warm water (no detergents!) after every 5th cleaning. Vinegar solution (1 tbsp. spoon per 1 liter of water) can be used for disinfection, but no more than 1 time per month - acid can damage the plastic.

⚠️ Warning: If there's a black coating or an unpleasant smell in the tank, it's a sign of mold breeding:

1. Wash the tank with a solution of soda (1 hour spoon per 200 ml of water).
2. Dry it outdoors for 24 hours.
3. Replace the napkin - it could also be contaminated with spores.

📊 Statistics: According to service centers, 60% of pump failures in Xiaomi robot vacuum cleaners are associated with late cleaning of the tank and the use of dirty water. Regular care extends the life of the equipment by 2-3 years.

Features of water refilling in robots with a self-cleaning system (Dreame Bot) W10/L10)

Xiaomi Dreame Bot models W10/L10 Mop 2 Ultras are equipped with an automatic wipe cleaning system, which requires a special approach to refilling water:

• 💦 Clean water tank (fresh water is poured for cleaning).
• 🧽 Dirty water tank (collects waste liquid after washing a wipe).

🔧 Step-by-step instructions for Dreame Bot W10:

1. Open the top cover of the robot, and you will see two tanks below it.
2. Remove the clean water tank (usually on the right) and pour water into it until the mark MAX (≈ 3.5 litre).
3. Make sure the dirty water tank (left) is empty and properly installed.
4. Press the Clean button on the case – the robot will automatically wash the napkin before cleaning.

⚠️ Note: Self-cleaning models should not use detergents in a clean water tank, which will clog the filtration system. To flavor, you can add 1-2 drops of essential oil (such as lavender), but no more.

📈 System Advantage: Self-cleaning robots (Dreame Bot) W10) They spend 30% less water on cleaning compared to classic models, as the wipe is washed and push-ups are automatically done.

💡

In robots with self-cleaning (Dreame Bot) W10/L10) The water is poured ONLY into a clean water tank. The dirty water tank should be empty before cleaning!

What to do if water is not supplied to a napkin: diagnosis and repair

If Xiaomi's robot vacuum cleaner turns on but doesn't spray water, the problem may lie in several nodes.

🔧 Self-Pump Repair: If the robot has stopped spraying water and the warranty has expired, you can try cleaning the pump yourself:

1. Remove the water tank and find the pump (usually located at the bottom of the tank).
2. Disconnect the water supply hose and purify it.
3. Rinse the pump with distilled water with a syringe.
4. Take it all back and check the work.

⚠️ Warning: If the pump is still not working after cleaning, do not disassemble it completely - this can lead to loss of leakage. ~1 500–2 500 ₽).

💡 Prevention: To make the pump last longer, after every 10th cleaning, pour a solution of citric acid into the tank (1 tsp. spoon per 1 liter of water) and turn on the spray mode for 1-2 minutes. This will remove the lime plaque.

FAQ: Answers to Frequent Questions about Water Refill