iRobot Roomba · updated 2026-07-06

Error 9: Bumper stuck

What it means

The bumper is compressed or its sensors are dirty.

The fix

Tap the bumper firmly several times and clean the gap between bumper and body.

Applies to

All series

Source

Documented by established repair references (iRobot per-series charts are not directly linkable per code): https://smartrobotichome.com/roomba-error-codes-troubleshooting/

Fix didn't take? Charging-family errors that recur usually mean the battery — see the charging-errors guide. For anything deeper, here's who actually repairs Roombas in 2026, with published prices.