How to open the vacuum collector in the robot vacuum cleaner Xiaomi Mi Robot: instructions with photos and nuances

Xiaomi Mi Robot vacuum cleaners have become an integral part of a smart home for thousands of users, saving time, keeping clean, and even mapping spaces. But to make it work, it needs to be maintained regularly β€” and the key here is cleaning the dust collector. Many owners face difficulties opening the container first: unobvious latches, fear of breaking the mechanism, or fear of losing small parts.

In this article, we will discuss how to safely remove and clean the dust collector on all popular Xiaomi Mi Robot models (including Mi Robot Vacuum-Mop 2 Lite, Mi Robot Vacuum-Mop P, Mi Robot Vacuum-Mop 2 Pro and others). You will learn not only the basic procedure, but also hidden nuances that the manufacturer does not always specify in the official documentation, for example, why after cleaning the vacuum cleaner can suck worse or how to avoid breakage of the locks.

If you've never opened a vacuum or you're afraid of breaking something, don't worry. We'll take a look at each step of the photo, warn you of common mistakes, and give you tips for care, and for those who have already faced problems (for example, a jammed lid or a vacuum cleaner can't see the container after cleaning), we have a separate section with solutions.

Before you start, check what you have at hand:

  • 🧹 Soft brush or brush for cleaning filters
  • 🧴 Wet wipes or microfibre
  • πŸ”§ Small cross screwdriver (for some models)
  • πŸ“Έ Smartphone to take pictures of the location of parts (in case you forget how to collect back)
πŸ“Š What model of a robot vacuum cleaner Xiaomi you have?
Mi Robot Vacuum-Mop 2 Lite
Mi Robot Vacuum-Mop P
Mi Robot Vacuum-Mop 2 Pro
Mi Robot Vacuum-Mop 2 Ultra
Another model

1. Where is the dust collector and how to remove it: universal instruction

The vacuum cleaner (or dumpster) in all Xiaomi robot vacuum cleaners is located at the back of the case, under the top cover. To get to it, you first need to remove the lid, and then the differences between the models begin. For example, in the Mi Robot Vacuum-Mop 2 Lite, the lid is fixed with two latches, and in the Mi Robot Vacuum-Mop 2 Pro, an additional lock is added to protect against children.

The general algorithm for most models:

  1. Turn off the vacuum cleaner with the Power button or through the Mi Home app.
  2. Turn the robot upside down (carefully so as not to damage the sensors).
  3. Find two latches on the top cover (usually marked on the sides) and press them at the same time.
  4. Lift the lid up - it should be easy to separate.

If the lid doesn't lend itself, don't force! Chances are you missed the hidden latch or didn't press both buttons at the same time. In child-protected models (such as the Mi Robot Vacuum-Mop 2 Ultra), you may need to additionally press the central button under the Xiaomi logo.

When you take the lid off, you'll see a dust collector, a plastic container with a handle, to take it out.

  • πŸ”„ Take the handle and pull the container on yourself (in some models you need to slightly lift up).
  • πŸ” Inspect the container for cracks or deformities – if any, the vacuum cleaner may not suck well.
  • 🧲 And you can look at the magnetic sensor, which is the little black part inside the dust collector, and it's responsible for detecting the container, and if the sensor is contaminated, the vacuum cleaner can make an error.

β˜‘οΈ Preparation for cleaning the dust collector

Done: 0 / 5

2.Differences between models: where to look for latches and hidden locks

Despite the similarities, the design of the dust collectors in different models of Xiaomi Mi Robot can be very different. For example, in budget versions (for example, Mi Robot Vacuum-Mop Essential), the lid is attached to only two latches, and in premium ones (for example, Mi Robot Vacuum-Mop 2 Ultra), a third latch under the logo is added. If you do not know about this, you can break the plastic mounts.

In the table below, we have collected the key differences for popular models:

ModelNumber of lid latchesAdditional fixersFeatures of the dust collector
Mi Robot Vacuum-Mop 2 Lite2 (sides)No.Simple container without electronics, volume 0.4 liters
Mi Robot Vacuum-Mop P2 (sides) + 1 hidden under the logoMagnetic sensor in the lidVolume 0.42 l, removable. HEPA-filter
Mi Robot Vacuum-Mop 2 Pro2 (sides) + child-lockingFill-level sensorVolume 0.5 liters, automatic cleaning of the container based on
Mi Robot Vacuum-Mop 2 Ultra3 (two on the sides) + front-end)Electronic lock, humidity sensorVolume 0.6 liters, self-cleaning with water

If your model is not listed in the table, look for the marking on the bottom of the vacuum cleaner. For example, models with the prefix β€œPro” or β€œUltra” almost always have additional locks. In questionable cases, it is better to take a picture of the disassembly process or watch the official video from Xiaomi for your particular model.

Attention! In models with automatic cleaning station (for example, Mi Robot Vacuum-Mop 2 Ultra), the dust collector can be electrically connected to the base. If you pull it out incorrectly, you can damage the contacts. Always disconnect the vacuum cleaner from the station first!

What to do if the latch breaks?
If the plastic latch of the lid cracks or breaks, do not try to open it by force. The temporary solution is to gently tuck the lid with a plastic card (for example, a bank card) on the side of the broken latch. Permanent repair will require a replacement of the lid (the article parts can be found in the service center Xiaomi model vacuum cleaner).

3. Step-by-step cleaning of the dust collector: how not to damage the filters and sensors

Removing the container is only half the battle, and cleaning it properly is important so that it doesn't reduce the suction power or break the suction elements, and many users make critical mistakes at this point:

  • 🚫 Washing the container under running water (this can damage humidity sensors).
  • 🚫 Use aggressive detergents (they corrode plastic and rubber seals).
  • 🚫 Dry the container with a hair dryer or on a battery (high temperatures deform plastic).

The correct cleaning algorithm:

  1. Shake the garbage in a pre-prepared package (so that the dust does not spread around the room).
  2. Remove large debris particles with a soft brush (do not use metal objects!).
  3. Wipe the inside of the container with a moist microfiber soaked in warm water, and you can use a soap solution (but not more than 5% detergent!) for persistent contaminants.
  4. Pay special attention to rubber seals - they need to be cleaned with dry cloth, since moisture can violate tightness.
  5. If your model has HEPA-filter, remove it and vacuum or rinse under a weak stream of water (but only if allowed in the instructions!).

Make sure all parts are completely dry before assembly, and a wet dust collector can short-circuit the sensors, causing an error Β«E5Β» (malfunction of the suction system) or complete failure of the electronics.

For models with a filling level sensor (for example, Mi Robot Vacuum-Mop 2 Pro) after cleaning, you need to reset the indicators in the Mi Home application:

  1. Open the app and select your vacuum cleaner.
  2. Go to Settings. β†’ Status. β†’ Discharge of the dust collector sensor.
  3. Confirm the reset.

πŸ’‘

If the vacuum cleaner becomes worse after cleaning, check if the inlet filter (located under the dust collector) is clogged, it should be washed separately and dried for at least 24 hours.

4.Typical errors and how to avoid them: why the vacuum cleaner can not see the container

One of the most common problems after cleaning the dust collector is that the robot vacuum cleaner does not recognize the container and gives an error such as β€œInstall the dust collector” or Β«E3Β». The reasons may be different, but most often the following user errors are to blame:

⚠️ Attention! If the vacuum cleaner beeps and flashes red after assembly, do not start cleaning - this can lead to overheating of the engine.

Main causes and solutions:

Problem.Reason.Decision
The vacuum cleaner can't see the container.Magnetic sensor contaminatedWipe the sensor (black square inside the dust collector) with an alcohol napkin
Mistake. E3 or E5Incorrectly installed HEPA-filterCheck that the filter is inserted before clicking and not skewed
The lid doesn't close.Deformed plastic latchesCarefully bend the latches with pliers or replace the cover
Weak suction after cleaningClogged inlet filter or ductWash the filter and blow the duct with compressed air

If none of the solutions worked, try resetting the vacuum cleaner settings to factory:

  1. Press the Power and Home buttons for 5 seconds.
  2. Wait for the sound signal (squeak).
  3. Release the buttons and the vacuum cleaner will reboot.

After the reset, you may need to reconnect to the Mi Home app. If the problem persists, contact the service center - the infrared sensor inside the dust collector may be faulty.

πŸ’‘

90% of the problems with the recognition of the dust collector are due to contamination of the sensors or improper installation of the filter.

5.How often to clean the dust collector: recommendations from Xiaomi

The cleaning frequency depends on the intensity of the vacuum cleaner and the type of garbage. Xiaomi recommends the following frequency:

  • 🏑 Daily cleaning in the apartment: clean the dust collector after each 2-3 cycles (or when it is filled with a 70%).
  • πŸ• Pets: Clean after each cycle (wool quickly clogs filters).
  • 🌳 Country house / cottage: check the container after each cleaning (leaves, sand and small branches can damage the turbine blades).
  • 🏒 Office space: sufficient cleaning 1 time 3-4 day-day.

In models with a filling sensor (for example, Mi Robot Vacuum-Mop 2 Pro), the vacuum cleaner itself notifies the need to clean through the Mi Home application. However, the sensor can be mistaken if dust accumulates on the walls inside the container, in which case visual inspection is more reliable than automatics.

Tips for lazy: If you don’t want to clean your dust collector often, look for models with automatic cleaning station (for example, Mi Robot Vacuum-Mop). 2 They empty the container into the base themselves, and you only have to clean the main garbage bag at the station (1 time 1-2 weekdays).

Do not forget about the additional filters:

  • πŸ”„ HEPA-filter: replace each filter 2-3 month (or wash if permitted for your model).
  • πŸŒ€ Inlet filter: clean 1 time per week (it clogs faster than the main container).
  • πŸ’¨ Turbine filter: check once a month (located next to the fan).
What happens if you don't clean the dust collector?
The accumulation of garbage leads to: - Reduced suction power on 30-50% - Overheating of the engine (risk of breakdown) - The appearance of an unpleasant smell due to the decomposition of organic matter - Sensor errors (E3, E5, E9) In advanced cases, replacement of the turbine (cost) may be required. ~30% vacuum-price).

Replacement of the dust collector: when repair is not possible

In some cases, cleaning is no longer helpful and the dust collector needs to be completely replaced.

  • πŸ”§ Cracks or chips on the body (tightness is broken).
  • πŸŒ€ Deformed locks (the cover does not close tightly).
  • πŸ’¨ Even after cleaning, the vacuum cleaner does not suction well (possibly damaged internal structure of the container).
  • 🚨 The bug is always burning. E3 or E5, clutter-clean.

You can replace the dust collector yourself, it's no more difficult than cleaning it, the main thing is to buy an original part for your model.

Model vacuum cleanerDust collector articleApproximate price (2026)
Mi Robot Vacuum-Mop 2 LiteZNMS16WM800–1 200 β‚½
Mi Robot Vacuum-Mop PZNMS17WM1 000–1 500 β‚½
Mi Robot Vacuum-Mop 2 ProZNMS18WM1 200–1 800 β‚½
Mi Robot Vacuum-Mop 2 UltraZNMS19WM1 500–2 200 β‚½

Replacement procedure:

  1. Remove the old dust collector (as described above).
  2. Compare the new container with the old one – they should be completely identical in shape and location of the sensors.
  3. Install a new dust collector before clicking.
  4. Close the lid and make sure all latches are locked.
  5. Turn on the vacuum cleaner and start the test cleaning.

⚠️ Warning! When buying a dust collector, avoid "universal" parts from third-party manufacturers, which may not be the size or have a magnetic sensor, which will lead to constant errors. Original parts can be ordered in the official Xiaomi store or from trusted sellers (for example, on AliExpress from official dealers).

7.Alternative cleaning methods: when the standard method does not work

Sometimes the dust collector is so polluted that a conventional cleaning doesn't help, such as if there's a sticky dirt (from spilled liquids) or mold (due to wet cleaning), in which case deep cleaning using special means will help.

Method 1: Ultrasonic bath

  • πŸ› Suitable for models with removable filters.
  • πŸ’¦ Pour warm water into the bath and add a neutral detergent (such as Baby Line).
  • ⏱ Place the dust collector (no electronics!) in the bathtub for 10-15 minutes.
  • 🧼 After cleaning, wash the parts under running water and dry for 24 hours.

Method 2: Steam cleaning

  • ☁️ Use a steam generator or steamer for clothing.
  • 🚫 Do not direct steam to sensors and rubber seals!
  • 🧽 After treatment, wipe the container with a dry cloth.

Method 3: Baking soda (to remove odors)

  1. Mix the soda with water to a gruel state.
  2. Apply on the internal walls of the dust collector.
  3. Leave for 1 hour, then rinse with a wet cloth.
  4. Wash the container with clean water and dry.

If after deep cleaning the vacuum cleaner still works unstable, check the turbine unit (can be clogged with garbage) or ducts (sometimes they accumulate dust that is not visible from the outside).

πŸ’‘

Never use abrasives to remove persistent contaminants (such as hard brushes or powders) that scratch the plastic, causing dirt to build up in microcracks.

FAQ: Frequent questions about the Xiaomi Mi Robot dust collectors

Can I wash the dust collector in the dishwasher?
No, it's strictly forbidden! High temperatures and aggressive detergents will damage plastic, rubber seals and sensors. McMum is hand-washing in warm water with neutral detergent.
Why did the vacuum cleaner become louder after cleaning?
This may be due to: Incorrect installation HEPA-filter (check it's inserted before clicking), debris entering the turbine unit (must be blown through with compressed air), engine bearing wear (maintenance required).
How to remove an unpleasant smell from the dust collector?
Effective ways: Wash the container with vinegar (1:1 with water) and dry it. Put a bag of soda inside for 12 hours. Use special aromatic pellets for vacuum cleaners. If the smell persists, check if there is any dirt in the ducts or on the turbine filter.
What if the vacuum cleaner does not turn on after cleaning the vacuum collector?
Possible causes: The container is not properly installed (check the fixation); the magnetic sensor is contaminated (wipe it with alcohol); the contacts are moist (let the vacuum cleaner dry for 24 hours); the overheating protection is activated (wait 30 minutes and try again). If nothing helps, reset settings (click Power). + Home for 5 seconds).
Can I use a dust collector from another model?
No, even if the containers look the same, they can be different: the location of the magnetic sensor, the shape of the locks, the volume and the sealing system, using a non-original dust collector can lead to errors. E3, E5 or even a turbine failure.