iRobot Roomba 690Roomba Error 8Roomba Error 8 — cause and how to fix it
Error code: Roomba Error 8
This error typically means the main brush is jammed or not spinning correctly.
How to fix Roomba 690 Roomba Error 8
- 1
Debris like hair or carpet fibers often gets tangled around the brush bearings or the drive mechanism.
- 2
To fix it, flip the robot over, remove the main brush guard, and then pull out the main brush assembly.
- 3
Clean out any tangled debris from the brushes and the housing, paying close attention to the ends where the bearings are.
- 4
You might need to unscrew the brush bearings to get all the gunk out.
- 5
If the brushes themselves are damaged or the bearings feel gritty, replacing the entire main brush module is usually the best bet.
- 6
You can find aftermarket replacements for $15-25 online.
What this repair uses
Roomba 600 series main brush module
Take it out, clean it, and seat it again before you replace it. If the error stays, this is the part to change.
Frequently asked questions
What does iRobot Roomba 690 Roomba Error 8 mean?
This error typically means the main brush is jammed or not spinning correctly.
Is this a hard repair to do myself?
Most of the steps above take 20-40 minutes with basic tools like a screwdriver. If you'd rather not open the unit yourself, contact the official support line below instead.
What part do I need?
You'll need a Roomba 600 series main brush module. Compatible aftermarket parts are widely available on AliExpress and typically cost $8-60 depending on the part.
How do I contact iRobot support?
Register your Roomba on the iRobot app before contacting support — this speeds up warranty claims significantly. Phone: 1-800-727-9077
Official support
Register your Roomba on the iRobot app before contacting support — this speeds up warranty claims significantly.
Online support
Open support page →