Roborock Q7+ User Manual page 11

Errors
Robot tilted. Move to level ground and
Error 16:
restart.
Error 17: Side brush error. Reset robot.
Error 18: Fan error. Reset robot.
Vertical bumper pressed. Move robot
Error 21:
and retry.
Error 22: Dock locator error. Clean and retry.
Could not return to dock. Clean dock
Error 23:
location beacon and retry.
Error 26: Wall sensor dirty. Clean wall sensor.
Filter blocked or wet. Clean, dry, and retry.
No-Go Zone or Invisible Wall detected. Move
robot from this area.
Internal error. Reset the robot.
Note: A system reset may resolve some problems.
If the problem persists after using the
recommendations in the table above, please email
our after-sales service team:
Europe Support: support@roborock-eu.com
Australia Support: service@roborock.com.au
11