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eufy T2108 RoboVac User Manual

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Owner’s Manual

RoboVac 11S (T2108)

Important Safety Instructions

To reduce the risk of injury or damage, read these safety instructions carefully and keep them at hand when setting up, using, and maintaining this device.

Warning icon


This is the safety alert symbol. This symbol alerts you to potential hazards that could result in property damage and/or serious bodily harm or death.

  • This device 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 this device in a safe way and understand the hazards involved.
  • Children should be supervised to ensure they do not play with this device.
  • Cleaning and maintenance shall not be performed by children without adult supervision.
  • This device is only to be used with the power supply unit provided.
  • For the purposes of recharging the battery, only use the detachable power supply unit provided with this device.
  • The battery must be removed from this device before this device is disposed of. To remove the battery from this device, first remove the screws on the bottom, then remove the main PCB and unscrew the battery cover using a screwdriver. Remove the battery by disconnecting the quick connector.
  • The used battery should be placed in a sealed plastic bag and disposed of safely according to local environmental regulations.
  • The external flexible cable or cord of the power supply unit cannot be replaced; if the cord is damaged, the power supply unit shall be disposed of.
  • This device is for indoor use only.
  • This device is not a toy. Do not sit or stand on this device. Small children and pets should be supervised when this device is operating.
  • Store and operate this device in room temperature environments only.
  • Clean with a cloth dampened with water only.
  • Do not use this device to pick up anything that is burning or smoking.
  • Do not use this device to pick up spills of bleach, paint, chemicals, or anything wet.
  • Before using this device, pick up objects like clothing and loose paper. Lift up cords for blinds or curtains, and move power cords and fragile objects out of the way. If this device passes over a power cord and drags it, an object could be pulled off a table or shelf.
  • If the room to be cleaned has a balcony, a physical barrier should be used to prevent access to the balcony and to ensure safe operation.
  • Do not place anything on top of this device.
  • Be aware that this device moves around on its own. Take care when walking in the area where this device is operating to avoid stepping on it.
  • Do not operate this device in areas with exposed electrical outlets on the floor.
  • Do not expose the electronics of this device, its battery, or the integrated Charging Base. There are no user-serviceable parts inside.
  • Do not use this device on an unfinished, unsealed, waxed or rough floor. It may result in damage to the floor and this device. Use only on hard floor surfaces or low-pile carpet.
  • This device has been designed to be used on floors without scratching them. We still recommend that you test this device on a small area of the room to be cleaned to ensure no scratches are made before cleaning the whole room.


Non-recyclable icon

This symbol on the device or its packaging indicates: Do not dispose of electrical appliances as unsorted municipal waste; use separate collection facilities. Contact your local authority for information regarding the collection systems available. If electrical appliances are disposed of in landfills or dumps, hazardous substances can leak into the groundwater and get into the food chain, damaging your health and well-being. When replacing old appliances with new ones, the retailer is legally obliged to take back your old appliance for disposal at least free of charge.

FCC 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.
  2. This device must accept any interference received, including interference that may cause undesired operation.

About Your RoboVac

What’s in the Box

Visual diagram of what's in the box

RoboVac Anatomy

Top and Side

Diagram explaining the top and then side of the robo vacuum cleaner


Diagram showing the view from underneath explained

Dust Collector

View inside the dust collector

Suction Inlet

Diagram of the suction inlet

Charging Base

Visual diagram of the charging base

Remote Control

Diagram of the remote control with numbers

  1. Start Auto cleaning
  2. Start Auto cleaning /Stop cleaning
  3. Start Spot cleaning
  4. Start Edge cleaning
  5. Adjust time
  6. Adjust suction power level in Auto/Single Room / Cleaning mode
  7. Control cleaning direction manually / Adjust the hour and minute
  8. Start Single Room cleaning
  9. Return RoboVac to Charging Base
  10. Schedule Auto cleaning start time

Remote Control Display

Display on the remote control

  1. Returning to Charging Base
  2. Auto cleaning mode selected
  3. Spot cleaning mode selected
  4. Edge cleaning mode selected
  5. Single Room cleaning mode selected
  6. Clock
  7. Standard suction power enabled
  8. BoostIQ™ dynamic suction power enabled
  9. Max suction power enabled
  10. Scheduled cleaning time

Install 2 AAA batteries before using the remote control for the first time. Make sure the positive and negative ends are facing the correct polarity direction as marked in the battery compartment.

LED Indication

You can see the status of RoboVac from the LED indicator.

Status lights table

Using Your RoboVac

Important Tips Before Use

Visual diagrams of what to avoid during operation

  • a. Remove power cords and small objects from the floor that may entangle RoboVac.
  • b. Fold tasseled edges of area rugs underneath to prevent tangling RoboVac. Avoid cleaning very dark-colored high-pile rugs or rugs thicker than 1.02 in/26 mm as they may cause RoboVac to malfunction.
  • c. Keep RoboVac away from spaces lower than 2.87 in/73 mm to prevent RoboVac from getting stuck. If necessary, place a physical barrier to block off the problem areas.
  • d. Keep RoboVac away from wet areas.
  • e. RoboVac may climb on top of objects less than 0.63 in/16 mm in height. Remove these objects if possible.
  • f. Anti-drop sensors prevent RoboVac from tumbling down stairs and steep drops. They may work less effectively if dirty or used on reflective/very dark-colored floors. It is recommended to place physical barriers to block off areas where RoboVac may fall.

Place physical barriers in front of fireplaces and areas that may cause damage to RoboVac if entered.


  1. Install the side brushes before use. Installing the side brushes
  2. Turn on the main power switch on the bottom of RoboVac. Turning on the main powerRemove the sticker next to the power switch, and the foam blocks beside the bumper before use.
  3. Place the Charging Base on a hard, level surface and against a wall. Placing the charging base on a level surface
  4. Remove objects within 3 ft/1 m of the left and right side and within 6 ft/2 m of the front of the charging base. Clear objects away from base
  5. Connect the round connector of the adapter into the power socket on the Charging Base and the other end into a wall outlet.
    • When the Charging Base connects to AC power, the LED indicator on the Charging Base is SOLID WHITE. Plug base into power
  • Install the Charging Base in a location that RoboVac can easily access. It is recommended to place the Charging Base against a wall, and on a hard-level surface rather than on rugs or carpets.
  • Always keep the Charging Base plugged in, otherwise RoboVac will not automatically return to it.

Charge Your RoboVac

• RoboVac has a pre-installed rechargeable battery that has to be fully charged before use.
• RoboVac returns to the Charging Base at the end of a cleaning cycle or when its battery is running low.

Method 1: Attach RoboVac to the Charging Base by aligning its charging pins with the charging pins on the base.

Robovac approaching base

Method 2: Press Home on the remote control to return RoboVac to the Charging Base.

Pressing home button on remote control

Turn off the main power switch if RoboVac will not be used for a long period of time. To preserve the battery’s lifespan, recharge at least once every 6 months.

Start / Stop Cleaning

Make sure the main power switch on the bottom of RoboVac is turned on before use.

Starting cleaning visual diagrams

Select a Cleaning Mode

Auto cleaning

RoboVac optimizes its cleaning path by selecting different cleaning modes automatically until cleaning is complete. This is the most commonly used cleaning mode.

Selecting cleaning mode

  • RoboVac will return to the Charging Base automatically when the battery level becomes low or when RoboVac finishes cleaning.
  • By default, RoboVac starts in Auto cleaning mode when it is turned on.

BoostIQ™ Feature

When the BoostIQ™ feature is enabled, RoboVac will automatically increase the suction power if it detects stronger power is needed to ensure the best clean. BoostIQ™ is ideal for cleaning thicker carpets and hard-to-sweep messes, which will reduce the total cleaning time, but increase the noise level. If the vacuuming noise caused by BoostIQ™ disturbs you, you can disable this feature. This feature only works in Auto and Single Room cleaning modes.

In Auto or Single Room cleaning mode, press (Fan Icon) on the remote control repeatedly to adjust the suction power level.

  • The corresponding icon is displayed on the remote control.

Suction levels table

When RoboVac starts cleaning in Auto or Single Room mode the next time, it will clean according to the suction power level you previously selected.

Spot cleaning

RoboVac intensively cleans a specific area in a spiral pattern, useful if there is a concentrated area of dust or debris. In Spot mode, RoboVac will stop cleaning after 2 minutes.

Activating spot mode on remote control

Edge cleaning

RoboVac reduces its speed when it detects a wall and then follows the wall to ensure the edge is cleaned thoroughly. In Edge mode, RoboVac will clean for 20 minutes and return to the Charging Base.

Activating edge cleaning using remote control

Single Room cleaning

RoboVac intensively cleans one single room and stops after 30 minutes. Select this mode only when one specific room needs to be cleaned. Make sure to confine RoboVac to the room by closing the door.

Activating single room cleaning mode

Manual cleaning

You can direct RoboVac to clean a particular area by using the directional buttons on the remote control.

Activating manual clean mode

Set Time and Scheduled Cleaning

Set Time

Make sure the time is set correctly to your local time before setting a scheduled cleaning.

Instructions for setting the time

To ensure the time is set successfully, make sure RoboVac is turned on. You will hear a beep when the time has been set.

Set a Scheduled Cleaning

Scheduling the robot vacuumScheduling the robot vacuum part 2

Cleaning and Maintenance

For optimal performance, follow the instructions below to clean and maintain RoboVac regularly. The cleaning/replacement frequency will depend on your usage habits of RoboVac.

Recommended cleaning/replacement frequency:

Cleaning frequency table

Clean the Dust Collector and Filters

Cleaning the dust collector instructionsCleaning the dust collector instructions part 2

You can wash the dust collector, pre-filter and foam filter with water. Be sure to air-dry them thoroughly before reassembling them. Do not wash the high-performance filter with water, as it may damage the filter and reduce the suction power.

Clean the Rolling Brush

  1. Pull on the release tabs to unlock the brush guard as shown.
  2. Lift the rolling brush to remove.
  3. Clean the rolling brush with the provided cleaning tool or a vacuum cleaner.
  4. Reinstall the rolling brush by inserting the fixed protruding end first and then clicking into place.
  5. Press down to snap the brush guard into place.

Cleaning the roll brush instructions

Clean the Side Brushes

Foreign substances, such as hair, can easily get tangled in the side brushes, and dirt may adhere to them. Be sure to clean them regularly.

  1. Remove the side brushes.
  2. Carefully unwind and pull off any hair or string that is wrapped between the main unit and the side brushes.
  3. Use a cloth dampened with warm water to remove dust from the brushes or to gently reshape them.

Cleaning the side brushes

Only use the side brushes when they are completely dry.

Replace the Side Brushes

The side brushes may become bent or damaged after being used for a period of time.

Follow the instructions below to replace them.

Pull off the old side brushes and snap the new ones into place.

Replacing the side brushes

Clean the Sensors and Charging Pins

To maintain the best performance, clean the drop sensors and charging pins regularly.

Dust off the drop sensors and charging contact pins using a cloth or cleaning brush.

Cleaning the sensors

Clean the Swivel Wheel

Hair or dust particles can easily get entangled in the swivel wheel. Be sure to clean the swivel wheel periodically and as needed.

The swivel wheel visual diagram

  1. Pull out the swivel wheel. Pulling out the swivel wheel
  2. Clean any hair or debris wrapped around the wheel or entangled inside the wheel cavity.
  3. Reinstall the wheel and push in until it clicks into place.
  • You can clean the swivel wheel with water.
  • Use the swivel wheel only when it is completely dry.



FAQs tableFAQs continued

Error Tones

When RoboVac is in trouble, it will emit a series of short or long beeps and the red indicator on RoboVac will be solid or flashing.

Error tones table


Specifications table

Customer Service

Customer service table
Email or Live Chat www.eufylife.com

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