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
support.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 →

Frequently asked questions

What does the Error 9 code mean on a Roborock robot vacuum?

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

What causes the Error 9 code on a Roborock robot vacuum?

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).

Is it safe to keep using a Roborock robot vacuum with a Error 9 error?

Yes, with caution. This is rated a moderate-severity fault.

How do I fix Error 9 on a Roborock robot vacuum?

Remove the dustbin and verify the HEPA filter is installed. If the filter was just washed, ensure it is 100% dry (24h air dry) before reinstalling. Reinsert the dustbin and press until it clicks firmly into place.

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: support.roborock.com.