Goods Scene Troubleshooting

iRobot Charging Error 8 – Battery communication fault

Charging Error 8 indicates that the robot cannot communicate reliably with its battery, so charging is stopped.

Charging Error 8iRobot Verified for Applicable Roomba and Braava modelsBattery & ChargingRobot Vacuums & Docks

Issue meaning

What this issue means

Charging Error 8 indicates that the robot cannot communicate reliably with its battery, so charging is stopped.

Start here

First checks

Remove and reinstall the battery so it is securely seated. Confirm that the battery is an authentic iRobot battery. If charging is still abnormal, clean the robot and dock charging contacts and retry.

Inspection

Area to inspect

Battery seating, battery contacts and robot/dock charging contacts.

Goods Scene guidance

What to do next

Rule out poor battery seating and dirty contacts before diagnosing the battery pack or the robot’s battery communication circuitry.

Practical guidance is kept separate from manufacturer wording.