WARNING
- For use only with roborock EWFD28LRR docking station.
- The product must be switched off and the plug must be removed from socket outlet when not in use, before cleaning or maintaining the product.
- Connect to a properly grounded outlet only. See Grounding Instructions.
- The docking station can only be used to charge the robotic vacuum cleaner equipped with a 14.4 V/6400 mAh (TYP) lithium-ion battery.
CAUTION
- Only use the product in accordance with the User Manual. Any loss or damage caused by improper use will be borne by the user.
- Do not allow to be used as a toy. Close attention is necessary when used by or near children.
- Do not rinse the robot and the dock.
- Do not use the product to clean hard or sharp objects (such as decoration wastes, glass, and nails) to avoid scratching the robot, the dock or the floor.
- Make sure dustbin, washable filter, dust bag, side brush, mop cloths, main brushes and main brush cover are installed in place before cleaning.
- Do not sit or stand on the robot or dock.
- To prevent corrosion or damage, do not use any disinfectant and only use cleaning solution recommended by Roborock.
- Do not put any low objects (such as shoes, mats) near raised areas like stairs. Otherwise, the robot may fall down caused by malfunctional sensors.
- To prevent water damage, make sure that the floor where the robot operates is free of water.
- Do not operate the product in a room where an infant or child is sleeping.
- Before using the product, move sundries such as wires and any unstable, fragile, precious, or dangerous items from the floor to prevent them from being pulled by the robot and causing personal injury or property damage.
- Keep hair, loose clothing, fingers, and all body parts of people and pets away from seams, openings and moving parts of the product to avoid possible injury.
- Do not carry the robot using magnetic top cover, side brush or bumper. Do not move the dock by lifting dock base, water tank handles or dust container cover.
- Place the dock on a hard, flat floor. Keep the dock, robot, and power cord away from fire and heat sources like a heating radiator. Avoid humid and narrow spaces or locations where the robot may be suspended in the air.
- This product can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the product in a safe way and understand the hazards involved. Children shall not play with the product. Cleaning and user maintenance shall not be made by children without supervision.
- Do not dismantle, repair or modify the battery or charging dock.
- If the dock is placed in an area susceptible to thunderstorms or with unstable voltage, take protection measures.
- Do not use the product on high pile carpets. Product effectiveness may also be reduced on dark carpets.
- Do not place any object on top of the robot or dock, near the suction inlet of the dock, or cover them with any item (including dust-proof cover).
- Do not use this product on elevated surfaces without barriers such as the floor of a loft, an open-ended terrace, a slide, or top of furniture.
- Do not use the dock to pick up stones, paper scraps, or other objects that may block the air duct.
- Do not operate the product if it has been damaged in any way. Contact customer service for help.
- Always operate the device in well-ventilated areas to prevent overheating.
- Roborock disclaims all liability for indirect, incidental, or consequential damages resulting from the use, misuse, or inability to use this product. This disclaimer does not affect any statutory rights that may not be disclaimed under applicable law.
- – To avoid burns, do not touch the clean water dispensers or drying air outlets.
GROUNDING INSTRUCTIONS
This appliance must be grounded. If it should malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. This appliance is equipped with a cord having an equipment-grounding conductor and grounding plug.
The plug must be inserted into an appropriate outlet that is properly installed and grounded in accordance with all local codes and ordinances.
WARNING – Improper connection of the equipment-grounding conductor can result in a risk of electric shock.
Check with a qualified electrician or service person if you are in doubt as to whether the outlet is properly grounded. Do not modify the plug provided with the appliance – if it will not fit the outlet, have a proper outlet installed by a qualified electrician.
This appliance is for use on a nominal 120-V circuit and has a grounding attachment plug that looks like the plug illustrated in sketch A in Grounding methods. Make sure that the appliance is connected to an outlet having the same configuration as the plug.
No adaptor should be used with this appliance.

Battery and Charging
- Do not wipe the charging contacts with wet cloth or wet hands.
- If the product is left unused for a long period, store it in a cool, dry place after having it fully charged, unplugged, and switched off. Recharge it at least every three months to avoid battery overdischarge.
- Do not use the product when the temperature is higher than 40°C (104° F ) or lower than 4°C (39° F ) , or if there is any liquid or sticky substance on the floor.
- Do not discard waste batteries. Leave them with a professional recycling organization.
- To transport the product, be sure to unplug the dock, switch off the robot, and empty water tanks. In addition, drain and rinse the cleaning solution cartridge, leave it air dry completely, and then reinstall it. Use of the original packaging is advised.
- Be sure that the supply voltage meets the requirements listed on the dock.
International Symbols Explanation
~ – ALTERNATING CURRENT symbol [symbol IEC 60417-5032 (2009-02)] \cdots – DIRECT CURRENT symbol [symbol IEC 60417-5031 (2009-02)] \textcircled{1} – PROTECTIVE EARTH (Protective Ground) symbol [symbol IEC 60417-5019 (2009-02)]
FCC/IC Statement
| Compliance Information | |
| Product Name | Robotic Vacuum Cleaner with Charging Dock |
| Product Model | Robotic Vacuum Cleaner Model: S91COP Empty Wash Fill Dock: EWFD28LRR |
| Compliance Statement | This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. |
| Correspondence of the responsible party in USA | |
| Company | Roborock Technology Co. |
| Address | ROOM 1227, 12TH FLOOR, 1000 N. WEST STREET, WILMINGTON, DE 19801 |
| support@roborock.com | |

Product Overview

Robot (Top View)

Power/Clean
- Press and hold to turn the robot on or off
- Press to start cleaning
—Power Indicator Light
- White: Battery level \geqslant 15%
- Red: Battery leve < 1 5%
- Breathing: Charging or starting up
- Flashing red: Error
- Breathing blue: Remote viewing
- Flashing blue slowly: Waiting for WiFi connection
- Flashing blue quickly: Connecting
- Steady blue: Voice assistant working/WiFi connected

—Dock
- Robot not on dock: Press to start docking/Press and hold to start spot cleaning
- Robot on dock: Press to start emptying/Press and hold to wash the mop cloths
Note: Press any button to pause a running robot.
A1-1—Microphones A1-2—Bumper A1-3—Front Navigation Sensor A1-4—LED Fill Light A1-5—Wall Sensor

Robot (Bottom View)
A2-1—Cliff Sensors A2-2—Carpet Sensor A2-3—Side Brush A2-4—Main Brush Cover A2-5—Omnidirectional Wheel A2-6—Optical Flow Sensor A2-7—Main Brushes A2-8—Main Brush Cover Latches A2-9—Main Wheels A2-10—Mop Cloths

Robot (Top Cover Removed)
A3-1—Magnetic Top Cover A3-2—Reset Button A3-3—Suction Inlet A3-4—Rear Navigation Sensor A3-5—Dustbin A3-6—Charging Contacts A3-7—Air Outlets A3-8—Communication Sensor A3-9—Self-Filling Port A3-10—Automatic Lift and Rotate Mop Modules

Mop Cloth Mount
A4-1—Hook and Loop Pads
A4-2—Mop Axle
Note: Secure the mop cloths flat in place.

Mop Cloth

Dustbin
A6-1—Cover Latch
A6-2—Filter Cover
A6-3—Suction Inlet
A6-4—Dustbin Latch
A6-5—Air Inlet
A6-6—Washable Filter
A7 Dock Base

Power Cord

A10 Empty Wash Fill Dock (Back View)
A10-1—Power Port
A10-2—Power Cord Slot
A10-3—Cord Outlets

Empty Wash Fill Dock
A11-1—Water Tank Handle
A11-2—Dirty Water Tank
A11-3—Filter
A11-4—Cleaning Solution Cartridge
A11-5—Dock Base
A11-6—Clean Water Tank
A11-7—Water Tank Latch
A11-8—Status Indicator Light
- Breathing: Emptying/Mop washing
- Red: Dock error
- Off: Powered off/Charging
A11-9—Dust Bag Slot
A11-10—Dust Container Cover
A11-11—Charging Contacts
A11-12—Drain Port
A11-13—Cleaning Tray Filter
A11-14—Drying Air Outlets
A11-15—Dock Location Beacon
A11-16—Suction Inlet
A11-17—Robot Refill Port
A11-18—Cleaning Tray Module
A11-19—Water Level Float
A11-20—Clean Water Dispensers

B1 Important Information
B1-1—Tidy cords, hard or sharp objects (such as nails and glass), and loose items from the ground and move any unstable, fragile, precious, or dangerous items to prevent personal injury or property damage due to items becoming tangled in, struck by, or knocked over by the robot.
When using the robot in a raised B1-2— area (such as in a duplex apartment), always use a physical security barrier to prevent accidental falls that may result in personal injury or property damage.
Notes:
- When using the robot for the first time, follow it throughout its whole cleaning route and watch for potential problems. The robot will be able to clean by itself in future uses.
- To prevent excessive buildup of dirt on the mop cloths, floors should be vacuumed at least three times before the first mopping cycle.
B2 Assembly
B2-1—Attach the dock base by pressing down both sides of the base and the connecting part in the middle firmly until you hear a click. When moving the dock, secure the water tanks toNote: prevent them from falling off. Connect the power cord to the backB2-2— of the dock, and the power cord can exit at either the left or right cord slot opening. Align and install the mop axles intoB2-3— the robot in place until you hear a click.
B3 Positioning the Dock
Place the dock on a hard, flat floor (wood/tile/concrete etc.), flat against a wall, and reserve a space of at least 0.75 m (2.46 ft) in height, $0.4\( m \) (1.3 ft) in width and 1.2 m (3.94 ft) in depth. Make sure that the location has good WiFi coverage for a better experience with the mobile app. Plug in and make sure that the status indicator light is on.
B3-1—More than 1.2 m (3.94 ft) B3-2—More than 0.75 m (2.46 ft) B3-3—More than 0 . 4 m (1.31 ft)
#
- If the power cord hangs vertically to the ground, it may be caught by the robot, causing the dock to be moved or disconnected.
- The status indicator light is on when the dock is
powered on, and off when the robot is charging.
- The status indicator light turns red if an error occurs.
- Place the dock on a hard, flat floor away from fire, heat, and water. Avoid narrow spaces or locations where the robot may be suspended in the air.
- Placing the dock on a soft surface (carpet/mat) may cause the dock to tilt and cause docking and departing problems.
- Keep the dock away from direct sunlight or anything that may block the dock location beacon, otherwise the robot may fail to return to the dock.
- Do not use the dock without clean water tank, dirty water tank, dust container cover, disposable dust bag, cleaning solution cartridge, or cleaning tray module.
- Maintain the dock according to the Routine Maintenance. Do not clean the dock power cord and charging contacts with a wet cloth or tissue
- All docks are subject to water-based tests before leaving the factory. It is normal that a small amount of water remains in the waterway of the dock.
B4 Powering On & Charging
Press and hold to power on the robot. Wait until the power indicator light is steady, and then place the robot in front of the dock. Make sure the dock is plugged in. Then, press and the robot will automatically return to the dock for charging. The robot is equipped with a built-in high-performance lithium-ion rechargeable battery pack. To maintain battery performance, keep the robot charged.
Dock status indicator light off, robotB4-1— power indicator light breathing: Charging.
The robot may not be turned on when the batteryNote: is low. In this case, place the robot to the dock for charging.
1. Download the App
Search for “Roborock” in the App Store or Google Play or scan the QR code to download and install the app.

2. Reset WiFi
Press and hold and simultaneously until you hear the “Resetting WiFi” voice message. The reset is complete when the power indicator light flashes blue slowly. The robot will then wait for a connection.
If you cannot connect to the robot due to your Note: router configuration, a forgotten password, or any other reason, reset the WiFi and add your robot as a new device.
3. Add Device
Open the Roborock app, tap the “Add Device” or " + " button and add your device following the in-app guide.
Notes:
- The actual process may vary due to ongoing app updates. Follow the guide provided in the app.
- Only 2.4 GHz WiFi is supported.
- If the robot waits more than 5 minutes for a connection, WiFi will be automatically disabled. If you want to reconnect, reset the WiFi before proceeding.
C1 Filling the Clean Water Tank
Lift the clean water tank, open its lid, and then fill it with tap water. After filling, close the lid, lock the latch, and then put the clean water tank back to the dock.
Notes:
- To avoid deformation, only use cold water.
- If any water stains remain on the outside of the water tank, wipe them with a soft, dry cloth before reinstalling the tank.
- To prevent a high concentration of cleaning solution, add solution only to the cleaning solution cartridge.
- To prevent damage, do not use any disinfectant.
C2 Adding Cleaning Solution
1. Remove the dust container cover, pull out the entire cleaning solution cartridge by its bottom handle, and then place it on a hard, flat surface.
To prevent the dust container cover from fallingNote: and hitting the robot, remove the cover with both hands, one on each side.
2. Open the lid of the cartridge and add cleaning solution. 3. Close the lid and put the cartridge back to the dock. Press the cartridge until you hear it lock with a click. 4. Install the dust container cover in place to make sure the dust container is securely sealed.
Notes:
- Make sure that the cleaning solution cartridge is entirely removed before adding cleaning solution.
- To prevent damage, do not use any disinfectant and only use cleaning solution recommended by Roborock in the solution cartridge.
- After adding, the robot will automatically add cleaning solution to the water for mop washing and robot water tank refilling according to the preset ratio to ensure optimal mopping performance.
- Cleaning solution is not included in the package. Purchase one if needed.
- If no floor cleaning solution is used daily, you may skip this step or disable Smart Cleaning Solution Filling in the app.
Turning On/Off
Press and hold $\textcircled { \scriptsize { 1 } }$ to turn on the robot. The power indicator light will come on, and the robot will be on standby.
Press and hold to turn off the robot and complete the cleaning cycle.
The robot cannot be turned off when it is beingNote: charged.
Starting Cleaning
Press to start cleaning. The robot will plan its cleaning route and in each room, it firstly draws out edges and then fills the room in a zigzag pattern. In so doing, the robot cleans all rooms one by one, thoroughly and efficiently.
Notes:
- To make sure the robot returns to the dock automatically, start the robot from the dock and do not move the dock during cleaning.
- Cleaning cannot start if the battery level is too low. Allow the robot to charge before starting a cleanup.
- Before cleaning, tidy cords (including the power cord of the dock) and valuables from the floor. Loose items may be dragged by the robot, resulting in the disconnection of electrical appliances or damage of cords and property.
- If cleaning is completed in less than 10 minutes, the robot will clean the area twice.
- If the battery runs low during a cleaning cycle, the robot will automatically return to the dock. After charging, the robot will resume where it left off.
- The robot will retract mop cloth mounts to clean the carpet. You can also set the carpet as a no-go zone in the app to avoid it.
- Before starting each cleaning task, make sure that the mop cloths have been properly installed.
Spot Cleaning
Press and hold to start spot cleaning. Cleaning range: The robot cleans a 1 . 5 m (4.9 ft) \times \uparrow . 5 m (4.9 ft) square area centered on itself.
After spot cleaning, the robot will automaticallyNote: return to the starting point and be on standby.
Pause
When the robot is running, press any button to pause it, press \textcircled{1} to resume cleaning. Press on a paused robot to send it back to the dock.
Placing a paused robot on the dock manually will Note: end the current cleanup.
Sleep
If the robot is paused for over 10 minutes, it will go to sleep, and the power indicator light will flash every few seconds. Press any button to wake the robot up.
Notes:
- The robot will not go to sleep when it is charging.
- The robot will automatically shut down if left sleep for more than 12 hours.
DND Mode
The default Do Not Disturb (DND) period is from 22:00 to 08:00. You can use the app to disable the DND mode or modify the DND period, or set whether to enable auto topup, emptying and drying, to dim indicator lights, or lower the volume of the voice message during the DND period.
Mop Washing
During cleaning, the robot automatically determines when it should return to the dock for mop washing and water tank refilling to maximize its mopping performance. To manually start washing, tap the corresponding button in the app. Press any button to stop washing.
Notes:
- To ensure the robot automatically washes the mop cloths, start it from the dock and avoid moving the dock during cleaning.
- To avoid burns from hot water, do not touch the clean water dispensers.
- Mop wash frequency and mode can be modified in the app.
Emptying
After cleaning, the robot will return to the dock and auto-emptying will begin as needed. To manually start emptying, press on the docked robot or tap the corresponding button in the app. Press any button to stop emptying.
Notes:
- When emptying has been left unused for a long period, empty the dustbin manually and make sure the air inlet is clear for optimal emptying performance.
- Auto-emptying can be disabled in the app.
- Avoid frequent manual emptying.
- Do not use without dustbin, dust container cover, or disposable dust bag installed in place.
Drying
After mop washing or after cleaning, drying will begin as needed. To manually start or stop drying, tap the corresponding button in the app.
Notes:
- Drying duration can be modified in the app.
- Auto-drying can be disabled in the app.
- Stay away from the drying air outlets during drying.
Charging
After cleaning, the robot will automatically return to the dock to charge. Press to send the paused robot back to the dock. The power indicator light will breathe during robot charging.
If the robot fails to find the dock, it willNote: automatically return to its starting position. Place the robot on the dock manually to recharge.
Error
If an error occurs, the power indicator light will flash red or status indicator light will be steady red. A pop-up notification will appear in the app and a voice alert may sound.
Notes:
- The robot will go to sleep automatically if left in a malfunctioning state for over 10 minutes.
- Placing a malfunctioning robot on the dock manually will end the current cleanup.
Resetting the System
If the robot does not respond when a button is pressed or cannot be turned off, reset the system by removing the magnetic top cover and pressing the Reset button.
After resetting the system, existing settings suchNote: as scheduled cleaning and WiFi will be restored to factory settings.
Restoring Factory Settings
If the robot does not function properly after a system reset, power it on. Press and hold and at the same time, press the Reset button until you hear the “Restoring factory settings. This will take about 5 minutes.” voice message. The robot will then be restored to factory settings.
Notes:
- The product must be switched off and the plug must be removed from socket outlet before cleaning or maintaining the product.
- The frequency of replacement may vary with the actual situation. If abnormal wear occurs, replace the parts immediately.
D1 Main Brushes
* Clean every 2 weeks and replace every 6-12 months.
D1-1—Main Brush Cover D1-2—Main Brush Cover Latches D1-3—Main Brushes D1-4—Main Brush Bearings D1-5— Turn over the robot and press the two latches inwards to remove the main brush cover. D1-6— Lift the main brushes and pull them out, remove bearings and remove any entangled hair or dirt at both ends of the main brushes and bearings. D1-7— Reinstall the main brush bearings. And then, reinstall the main brushes and make sure the color of the main brush, main brush bearing and the arrow on the robot match. D1-8— Reinstall the main brush cover. Make sure its four teeth are fully seated in the slots, and press the main brush cover until you hear it lock with a click.
Notes:
- It is recommended to wipe the main brushes with a wet cloth. If the main brushes are wet, air-dry them away from direct sunlight.
- Do not use corrosive cleaning fluid or disinfectant to clean the main brushes.
D2 Side Brush
* Clean monthly and replace every 3-6 months.
Unscrew the side brush screw. Remove and clean the side brush. Then, align the central groove with the raised position on the robot and tighten the screw to reinstall the side brush.
D3 Omnidirectional Wheel
* Clean as required.
D3-1— Use a tool, such as a small screwdriver, to pry out the axle and take out the wheel.
The omnidirectional wheel bracket cannot beNote: removed.
D3-2—Rinse the wheel and the axle with water to remove any hair and dirt. Air-dry, reinstall, and press the wheel and axle back in place.
D4 Main Wheels
* Clean as required.
Clean the main wheels with a soft, dry cloth.
D5 Dustbin
* Clean as required.
D5-1—Remove the magnetic top cover of the robot and press the dustbin latch to take out the dustbin.
D5-2—Press the cover latch to open the filter cover and remove the washable filter, then empty the dustbin.
D5-3—Fill the dustbin with clean water, reinstall the washable filter and close the filter cover. Gently shake the dustbin, and then pour out the dirty water.
To prevent blockage, only use clean water without Note: any cleaning liquid.
D5-4—Allow at least 24 hours for the dustbin and washable filter to dry thoroughly before reinstalling them.
D6 Washable Filter
Clean every 2 weeks and replace every 6-12 months.
D6-1—Open the filter cover and remove the filter.
D6-2—Rinse the filter repeatedly and tap it to remove as much dirt as possible.
Do not touch the surface of the filter with hands,Note: brushes, or hard objects to avoid potential damage.
D6-3—Allow at least 24 hours for the filter to dry thoroughly before reinstalling it.
D7 Mop Cloths
* Clean as required and replace every 1-3 months.
D7-1— Remove the mop cloths from mop cloth mounts. Clean the mop cloths and air-dry them.
A dirty mop cloth will affect the moppingNote: performance. Clean it before use.
D7-2—Stick the mop cloths on the mounts flat in place.
D8 Robot Sensors
* Clean as required.
Use a soft, dry cloth to wipe and clean all sensors, including:
D8-1—Front Navigation Sensor
D8-2—Wall sensor
D8-3—Communication sensor
D8-4—Rear Navigation Sensor
D8-5—Cliff sensors
D8-6—Carpet sensor
D8-7—Optical Flow Sensor
D9 Moving the Dock
To move the dock, grip the power cord slot on the back with one hand and the inner side of the front board with the other hand. Do not lift the dock base, water tank handles, or dust container cover directly to prevent the dock from falling off.
D10 Dirty Water Tank
* Clean as required.
Open the dirty water tank lid and pour out the dirty water. Fill the tank with clean water, close the lid, lock the latch, and shake. Pour out the dirty water. Lock the lid and reinstall the tank.
Notes:
- To avoid deformation, only use cold water.
- If any water stains remain on the outside of the water tank, wipe them with a soft, dry cloth before reinstalling the tank.
D11 Charging Contacts
* Clean as required.
Use a soft, dry cloth to wipe the charging contacts on the robot and the dock.
D12 Replacing Disposable Dust Bag
* Replace as required.
D12-1—Remove the dust container cover.
To prevent the dust container cover from fallingNote: and hitting the robot, remove the cover with both hands, one on each side.
Notes:
- The dust bag handle seals the bag on removal to prevent leakage.
- Always install a dust bag before putting back the dust container cover to avoid auto-emptying without the bag. You can also disable auto-emptying in the app.
D12-3— Clean the filter with a dry cloth, insert a new disposable dust bag into the slot all the way in, and spread it evenly.
Make sure the disposable dust bag is properlyNote: installed to avoid waste escaping and damaging the dock.
D12-4—Reinstall the dust container cover in place to make sure the dust container is securely sealed.
D13 Cleaning Tray Module
* Clean as required.
D13-1—Remove the cleaning tray module. D13-2—Remove the cleaning tray and filter from the module and then rinse them with water. D13-3— Reinstall the filter and cleaning tray. Then, reinstall the cleaning tray module.
Removing the battery
The following information applies only when disposing of the robot and should not be followed for day-to-day operations.
The chemical substances contained in the built-in lithium-ion battery of this product can cause environmental pollution. Remove the battery before disposing of this product and hand it to a professional battery recycling facility for centralized disposal.
How to remove the battery:
1. Operate the robot without connecting to the dock until it runs out of battery. 2. Turn off the robot. 3. Unscrew the battery cover. 4. Remove the battery cover. 5. Press the latch to pull out the battery connector and remove the battery.
Notes:
- Before removing the battery, make sure it is fully drained and the robot is disconnected from the dock.
- Remove the entire battery pack. Avoid damaging the battery pack casing to avoid short-circuits or leakage of hazardous substances.
- In the event of accidental contact with battery fluid, rinse thoroughly with water and seek immediate medical care.
Robot
| Model | S91COP |
| Battery | 14.4 V/6400 mAh (TYP) lithium-ion battery |
| Rated Input | 20 V~2.5 A |
| Charging Time | Approx. 3 hours |
The serial number is on a sticker on theNote: underside of the robot.
Empty Wash Fill Dock
| Model | EWFD28LRR |
| Rated Input Voltage | 120 V~ |
| Rated Frequency | 60 Hz |
| Rated Input (Dust collection) | 6 A |
| Rated Input (Hot-water mop washing) | 12 A |
| Rated Input (Charging & drying) | 1.4 A |
| Rated Output | 20 V~ 2.5 A |
Common Issues
- Dock dust container cover is not installed. Check and install.
- Auto-emptying will not be triggered if the robot returns to the dock without cleaning.
- The robot will not auto-empty after returning to the dock in DND mode. Adjust cleaning or DND period, or start emptying manually.
- Auto-emptying will not be triggered if the robot is moved to the dock manually. Start emptying manually.
- The battery level is lower than 10%. Charge the robot until the battery reaches 10%.
- If the robot does not start from the dock or no dock is found on the app map, it will not return to the dock for mop washing.
- Check clean water tank placement or refill the tank as required.
- Check dirty water tank placement or empty the tank as required.
- Check that the cleaning tray module or cleaning tray filter has been correctly installed.
- The mop cloth will only extend along walls and certain obstacles.
- Check if the mop extension structure is stuck.
- The side brush does not extend for every corner or every time when the robot cleans along the wall.
- Check whether the side brush is jammed.
- The Auto-Detach/Reinstall Mop Cloth Mounts feature is applicable only under specific conditions.
- Check if the mop cloth mounts are jammed.
- Check that the mop cloth mounts are placed in the position where they were removed.
| Issue | Solution |
| Unable to power on | Battery low. Put the robot on the dock and charge it before use. ·Battery temperature too low or too high. Only use the robot within the range of 4-40°C (39-104°F). |
| Unable to charge | Dock not connected to power. Check whether both ends of the power cord are properly connected. ·Poor contact. Clean the charging contacts of the dock and the robot. ·Check that the status indicator light is on. |
| Slow charging | When used at high or low temperatures, the robot will automatically reduce its charging speed to extend battery life. ·Charging contacts dirty. Wipe them with a dry cloth. |
| Unable to return to dock | Too many obstacles near the dock. Move it to an open area. ·Robot too far from the dock. Place it closer and retry. |
| Abnormal behavior | Restart the robot. |
| Noise during cleaning | The main brushes, side brush, or main wheels may be jammed. Turn off the robot and clean them. ·The omnidirectional wheel may be jammed. Use a screwdriver to remove it for cleaning. |
| Unable to connect to WiFi | WiFi disabled. Reset the WiFi and try again. ·Poor WiFi signal. Move the robot to an area with better WiFi. ·Abnormal WiFi connection. Reset the WiFi, download the latest app version and retry. ·Unable to connect to WiFi abruptly. There may be an error with your router settings. Contact Roborock customer service for help with troubleshooting. |
| Is power always being drawn when the robot is on the dock? | The robot will draw power while it is docked to maintain battery performance, but the power consumption is extremely low. |
| Does the robot need to be charged for at least 16 hours for the first three uses? | No. Lithium-ion batteries have no memory effect. The robot can be used once fully charged. |
| The robot does not resume cleaning after recharging | Make sure that the robot is not in DND mode. DND mode will prevent auto top-up. ·If the robot is placed manually on the dock or sent to dock by pressing buttons, it will not be able to resume cleaning. |
| The robot begins to miss certain spots | The wall sensor, cliff sensors, or carpet sensor may be dirty. Clean them with a soft, dry cloth. |
| Poor cleaning performance and/or dust leakage | The dustbin is full and needs emptying. ·The filter is blocked and needs cleaning. ·The main brushes are tangled up. Clean the main brushes. |
| No or little water during mopping | Use the mobile app to increase the water flow. |
| The robot cannot return to the charging dock after spot cleaning or when it has been moved manually | After spot cleaning or a significant position change, the robot will re-generate the map. If the charging dock is too far away, it may not be able to return to recharge and must be placed on the charging dock manually. |
| Scheduled cleaning is not working | Keep the robot charged. Scheduled cleaning can only begin when the battery level is above 15%. |
| The status indicator light is steady red | Voltage error. Check that the local voltage meets the requirements listed on the dock. ·Check clean water tank placement or refill the tank as required. ·Check dirty water tank placement or empty the tank as required. ·The cleaning tray module or cleaning tray filter is not installed or not properly installed. |
| Reduced emptying performance or unusual noise when emptying | The main brushes or main brush cover is not properly installed. Check and install in place. ·The filter, air duct, suction inlet, air inlet, dustbin or disposable dust bag is blocked. Clean to remove blockages. |
| Reduced mop washing performance | The mop cloths are not attached properly. Stick them on the mounts flat in place. ·The floor is dirty. Change the mop washing mode to “Deep” in the app for better cleaning. |
| Unable to start auto-drying | Auto-drying is disabled. Check in-app settings. ·If the robot departs the dock during drying, the drying will end in advance. ·In a humid environment, it is recommended to extend the drying duration in the app to improve the drying performance. |
| Unable to auto-empty | Auto-emptying is disabled. Check in-app settings.
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| Unable to wash the mop cloths | The mop cloths will not be washed if not used.
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| Unable to wash the mop cloths with hot water | Check that Washing Water Temperature is set to Hot Water in the app. |
| Unable to extend the mop cloth | Check that the FlexiArm Design Extended Mopping feature is enabled in the app.
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| The side brush is unable to extend | Check that the FlexiArm Design Extended Cleaning feature is enabled in the app.
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| Unable to automatically detach/reinstall the mop cloth mounts | Check that the Auto-Detach/Reinstall Mop Cloth Mounts feature is enabled in the app.
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