iRobot Roomba 860Roomba Error 8Roomba Error 8 — cause and how to fix it
Error code: Roomba Error 8
Error 8 on your Roomba 860 usually means it's stuck or has a brush jam.
How to fix Roomba 860 Roomba Error 8
- 1
Check underneath the robot and ensure the main brushes and the brush guard are clean and free of debris.
- 2
The brush bearings can get gunked up, causing them to spin erratically or stop altogether.
- 3
Sometimes, a small piece of plastic or hair can wedge itself just right to trigger this.
- 4
You might need to remove the brush guard and brushes to clear any stubborn obstructions.
- 5
If the problem persists, the brush module itself might be failing, but this is less common than a simple jam.
- 6
Replacement brush modules are available online for around $15-30.
What this repair uses
Roomba 860 brush guard
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 860 Roomba Error 8 mean?
Error 8 on your Roomba 860 usually means it's stuck or has a brush jam.
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 860 brush guard. 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
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