iRobot Roomba i7Roomba Charging Error 8Roomba Charging Error 8 — cause and how to fix it
Error code: Roomba Charging Error 8
Roomba Charging Error 8 on an i7 usually means the battery isn't communicating properly with the robot, or it's simply failed and can't hold a charge.
How to fix Roomba i7 Roomba Charging Error 8
- 1
While sometimes it's a dirty charging contact, for most i7s older than 3 years, it's the battery's internal health.
- 2
Aftermarket batteries for the i7 are readily available.
- 3
Just flip the robot over, unscrew the battery cover, and swap in a new one.
- 4
A good replacement battery typically costs $30-40.
What this repair uses
Roomba i7 battery 14.4V 3000mAh
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 i7 Roomba Charging Error 8 mean?
Roomba Charging Error 8 on an i7 usually means the battery isn't communicating properly with the robot, or it's simply failed and can't hold a charge.
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 i7 battery 14.4V 3000mAh. 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 →