Roborock · Robot Vacuum Moderate

Error 16 — Robot tilted, please place on level ground

The internal gyro or accelerometer reports that the robot is on an uneven surface or tipped.

Keep using it?
Yes, with caution
DIY difficulty
Easy
Verified against
global.roborock.com ↗

How to fix it

  1. Move the robot to a flat, hard surface.
  2. Power it off, wait 10 seconds, and power it back on to re-calibrate the gyro.
  3. Restart cleaning from the dock if possible.
  4. Mark known-uneven areas as no-go zones in the app.

Why it happens

Typical signs: Voice prompt 'Please place robot on a level surface' · App shows Error 16 · Robot stops on rugs or thresholds

  • Started on thick rug or uneven floor Robot must start on a level surface to calibrate.
  • Wheel partly on rug, partly on floor Persistent tilt during navigation.
  • Gyro calibration drift Internal IMU needs re-calibration via a power cycle.

More Roborock robot vacuum codes

Error 1 Error 1 — LDS laser distance sensor blocked or stuck Error 10 Error 10 — Filter blocked Error 11 Error 11 — Magnetic strip / no-go interference Error 12 Error 12 — Battery low, returning to dock Error 13 Error 13 — Charging error / contacts dirty Error 14 Error 14 — Battery error

All Roborock codes → All robot vacuum codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: global.roborock.com.