Eufy RoboVac 11S MAX Troubleshooting

If you are having problems with your Eufy RoboVac 11S MAX Robot Vacuum, you are not alone. Many Eufy RoboVac 11S MAX owners experience issues with their robot vacuum from time to time, and it can be frustrating to deal with these problems.

I have problems with my Eufy RoboVac 11S MAX

Reported Eufy RoboVac 11S MAX Issues

RoboVac cannot be activated.

  • Make sure the main power switch is in the ON position.
  • Make sure the battery is fully charged.
  • Replace the batteries (2 AAA) in the remote control.
  • Make sure the remote control is within range (16 ft/5 m) of  RoboVac.
  • If you still have trouble, turn off the main power switch and  then turn it back on

The remote control does not work.

  • Replace the batteries in the remote control.
  • Make sure RoboVac is turned on and fully charged

RoboVac stops working suddenly.

  • Check if RoboVac is trapped or stuck on an obstacle.
  • Check if the battery level is too low.
  • If you still have trouble, turn off the main power switch, wait  for 2 seconds, and then turn it back on

You cannot schedule cleanings.

  • Make sure the main power switch on the bottom of RoboVac is turned on.
  • Make sure the time, time of day (AM/PM), and the scheduled time have been set correctly.
  • Check if RoboVac’s power is too low to start cleaning

Suction power is weak.

  • Check if any obstructions are blocking the suction inlet.
  • Empty the dust collector.
  • Check if the filter is wet due to water or other liquid on the floor. Air-dry the filter completely before use.

RoboVac cannot be charged.

  • Check if the indicator on the Charging Base lights up. If not, contact the eufy service center to repair or replace the Charging Base.
  • Dust off the charging contact pins with a dry cloth.
  • Check if you can hear a beep when RoboVac is docked onto the Charging Base. If not, contact the eufy service center to repair or replace the Charging Base.

RoboVac cannot return to the Charging Base.

  • Remove objects within 3 ft/1 m to the left and right side and within 6 ft/2 m of the front of the Charging Base.
  • When RoboVac is in the vicinity of the Charging Base, it will return more quickly. However, if the Charging Base is located far away, RoboVac will need more time to return. Please be patient as it works its way back.
  • Clean the charging contact pins

The rolling brush does not rotate.

  • Clean the rolling brush.
  • Check if the rolling brush and brush guard have been installed properly

RoboVac’s movements or travel paths are abnormal.

  • Clean the sensors carefully with a dry cloth.
  • Restart RoboVac by turning the power switch off and on.

RoboVac’s cleaning time becomes shorter or less than 100 minutes.

Make sure RoboVac is fully charged (indicated by a solid blue LED light) before cleaning. The cleaning time will be affected by the suction mode and floors/ carpets to be cleaned:
    • Standard suction mode (on hardwood floors): approx. 100 minutes of cleaning
    • BoostIQ™ mode (on carpeting): approx. 60 minutes of cleaning
    • Max suction mode (on medium-pile carpets): approx. 40 minutes of cleaning
  • If your cleaning time is much less than the time mentioned above, contact eufy customer service for help.

Eufy RoboVac 11S MAX Robot Vacuum Problems

Below are common issues and solutions for the Eufy RoboVac 11S MAX:

The Eufy RoboVac 11S MAX Flashing red indicator light

Error Tone Cause Solution

One beep

  • RoboVac is stuck and one of the wheels is not making contact with the floor (hanging in mid-air).
  • RoboVac may be in an extremely large room and the bumper is not registering obstacles.
  • Restart cleaning in a new location

Two beeps

  • RoboVac’s bumper is stuck
  • Tap RoboVac’s bumper several times to dislodge any debris that may be trapped underneath.

Three beeps

RoboVac can get stuck in the following scenarios:

  • RoboVac does not have enough power to reverse when on the edge of a staircase that is covered by a rug.
  • When RoboVac tries to reverse due to exposure to strong sunshine, but cannot reverse due to physical barriers in the way.
  • When RoboVac reverses due to exposure to strong sunshine but continues to be exposed to strong sunshine after reversing for 3 seconds.
  • Restart cleaning in a new location.
  • Use a physical barrier to block off the problem area.

    .

Four beeps

  • RoboVac’s power level is too low
  • Manually charge RoboVac for at least 5 hours

The Eufy RoboVac 11S MAX Solid red indicator light

Error Tone Cause Solution

One beep

  • RoboVac’s left/right wheel is stuck
  • Turn off RoboVac and remove any hair or debris from the left/right wheel

Two beeps

  • RoboVac’s side brush is stuck.
  • Turn off RoboVac and remove any hair or debris from the side brush

Three beeps

  • RoboVac’s suction fan is stuck.
  • Turn off RoboVac, then remove and empty the dust collector.
  • Make sure the suction inlet is not blocked by any hair or debris.

Four beeps

  • RoboVac’s rolling brush is stuck.
  • Turn off RoboVac and remove any hair or debris from the rolling brush

Eufy RoboVac 11S MAX Replacement Parts

How to Diagnose and Repair a Eufy RoboVac 11S MAX

This guide will help you identify and resolve issues with your Eufy RoboVac 11S MAX Robot Vacuum.

Eufy RoboVac 11S MAX Issues? Need Help?

Users are encouraged to share their tips or frustrations with their Eufy RoboVac 11S MAX with the community by leaving a comment. Sharing insights and experiences can help other users get the most out of their robot vacuum and avoid common issues.

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