Roborock · Robot Vacuum Moderate

Error 9 — Dustbin or filter missing/not installed properly

The robot does not detect the dustbin (and/or filter) seated correctly in the chassis.

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

How to fix it

  1. Remove the dustbin and verify the HEPA filter is installed.
  2. If the filter was just washed, ensure it is 100% dry (24h air dry) before reinstalling.
  3. Reinsert the dustbin and press until it clicks firmly into place.
  4. Wipe contact areas on the bin and chassis with a dry cloth.
  5. Restart the robot.

Why it happens

Typical signs: Voice prompt 'Please install the dustbin and filter' · App shows Error 9 · Robot refuses to start cleaning · Dustbin lid may be open

  • Dustbin not fully seated Bin needs to click firmly into place.
  • Filter missing HEPA filter not installed in dustbin.
  • Wet filter installed Some firmware refuses to run with a damp filter (after washing).
  • Sensor on bin housing dirty Detection sensor blocked by dust.

Parts you may need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • Roborock HEPA filter Common replacement
    Amazon →

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.