Introduction
This manual provides essential instructions for the safe operation, maintenance, and troubleshooting of your eufy BoostIQ RoboVac 11S (Slim) robot vacuum cleaner. Please read this manual thoroughly before using your RoboVac and retain it for future reference.
Important Safety Instructions
Always follow basic precautions, including:
- Read all instructions before using the appliance.
- Do not operate the RoboVac in areas with open flames or flammable materials.
- Keep hair, loose clothing, fingers, and all parts of the body away from openings and moving parts.
- Use only as described in this manual.
- Do not use without dust bin and/or filters in place.
- Do not allow children to play with the appliance.
- Only use the power adapter supplied by the manufacturer.
- Do not use the appliance to pick up large debris, liquids, or sharp objects.
Package Contents
- 1 x eufy BoostIQ RoboVac 11S (Slim)
- 1 x Remote control (AAA batteries included)
- 1 x Charging Base & Power Adapter
- 1 x Cleaning Tool
- 2 x Side Brushes (additional pair)
- 1 x Filter Set (additional set)
- 1 x User Manual
- 1 x Quick Start Guide
- 1 x Warranty Information
Setup
1. Prepare the RoboVac
- Remove all protective films and stickers from the RoboVac and charging base.
- Attach the side brushes by pressing them onto the square posts until they click.
2. Install the Charging Base
Place the charging base on a hard, level surface against a wall. Ensure there is at least 3 feet (1 meter) of clear space to either side and 6 feet (2 meters) in front of the charging base. Connect the power adapter to the charging base and a wall outlet. The indicator light on the charging base will illuminate.

Image: RoboVac automatically returning to its charging base.
3. Initial Charge
Place the RoboVac onto the charging base, ensuring the charging pins align. For first-time use, charge the RoboVac for at least 12 hours. The indicator light on the RoboVac will breathe orange while charging and turn solid blue when fully charged.
Operating Your RoboVac
1. Power On/Off
Press and hold the power button on the RoboVac for 3 seconds to turn it on or off. The indicator light will turn blue when on.
2. Cleaning Modes
The RoboVac offers several cleaning modes, selectable via the remote control:
- Auto Cleaning: The RoboVac cleans automatically using various cleaning patterns. This is the default mode.
- Spot Cleaning: For concentrated cleaning of a specific area. The RoboVac will clean in a spiral pattern for approximately 2 minutes.
- Edge Cleaning: The RoboVac cleans along walls and furniture edges.
- Single Room Cleaning: The RoboVac cleans a single room and then returns to its charging base.

Image: Remote control for selecting cleaning modes and scheduling.
3. BoostIQ Technology
The RoboVac automatically increases suction power when extra vacuuming strength is needed, such as when transitioning from hard floors to carpets. This feature activates in approximately 1.5 seconds.

Image: RoboVac activating BoostIQ for increased suction on carpet.
4. Scheduling
Use the remote control to set a cleaning schedule for your RoboVac. Refer to the remote control section in the full manual for detailed instructions on setting schedules.
Maintenance
Regular maintenance ensures optimal performance of your RoboVac.
1. Emptying the Dust Bin
Empty the dust bin after each use. Press the dust bin release button and pull out the bin. Open the dust bin cover and discard debris.

Image: The dust bin removed from the RoboVac, showing collected debris.
2. Cleaning the Filters
Remove the filters from the dust bin. Tap them to remove dust and rinse them under running water. Allow filters to air dry completely before reinstalling. Replace filters every 3-6 months, or as needed.

Image: Diagram illustrating the multi-layer filter system of the RoboVac.
3. Cleaning the Rolling Brush and Side Brushes
Remove the rolling brush cover and lift out the rolling brush. Use the cleaning tool to remove hair and debris. Clean the side brushes by pulling them off and removing any tangled hair or debris. Replace worn side brushes.
4. Cleaning the Sensors and Charging Contacts
Wipe the drop sensors, charging contacts, and swivel wheel with a dry cloth to maintain proper function.
Troubleshooting
| Problem | Solution |
|---|---|
| RoboVac does not turn on. | Ensure the power switch is on. Charge the RoboVac for at least 12 hours. |
| RoboVac does not charge. | Check that the charging base is powered on. Clean the charging contacts on both the RoboVac and the base. |
| RoboVac gets stuck frequently. | Clear obstacles like cables, rugs, or furniture that may impede movement. Use boundary strips if necessary. |
| Suction power is weak. | Empty the dust bin. Clean or replace the filters. Clean the rolling brush. |
| RoboVac falls down stairs. | Clean the drop sensors. Ensure the RoboVac is not operating on dark-colored carpets near edges, which can interfere with sensors. |
Specifications
| Feature | Detail |
|---|---|
| Brand | eufy |
| Model Name | eufy 11S |
| Model Number | T2108 |
| Special Features | Quiet, Self-Charging, Super-Thin |
| Color | Black |
| Product Dimensions | 12.79"L x 12.79"W x 2.85"H |
| Filter Type | Washable |
| Battery Life | 100 minutes |
| Voltage | 240 Volts |
| Capacity (Dust Bin) | 600 Milliliters |
| Power Source | Battery Powered |
| Control Method | Remote |
| Item Weight | 6.34 pounds |
| Specific Use | Carpet, Dual Action, Hard Floor |
Warranty and Support
Your eufy BoostIQ RoboVac 11S (Slim) comes with a 12-month warranty. For technical support, warranty claims, or additional information, please refer to the warranty information card included in your package or visit the official eufy support website.





