Roomba robots show the charging error 8 on used as well as on out-of-the-box units. Charging Error Eight or 8 Blinks means that the robot is unable to communicate with its battery or there is a battery issue – this varies with the robot model. The error is shown when the robot is connected to the charging base. Sometimes, the error occurs when the robot was charged for a few minutes. A flash red warning triangle with the exclamation mark (!) is shown and an audio message of Charging Error 8 will be played.
1. Discharge the Static Current from the Roomba Robot
You will face this error if the static current present on the internal circuitry of the robot is not letting it properly detect the charging signal. Here, discharging the static current from the robot will resolve the issue.
2. Clean the Roomba and Charging Unit
If there is debris or junk present on the Roomba robot or its charging unit, a proper connection will not establish and thus cause you’ll face the charging error 8. Here, cleaning your robot will solve the problem.
3. Charge the Roomba Robot
If the robot’s battery has gone critically low, it will not start charging and instead show error 8 when charging. Charging the Roomba robot for an extended time will solve the problem.
Charge the Robot for Extended Time
Properly Seat the Robot on the Charging Unit
Completely Drain the Robot’s Battery
Use Another Battery to Charge the Robot’s Battery
4. Reset the Roomba Robot to the Factory Defaults
The robot will not be able to charge while showing error 8 if its firmware is no more valid and holds invalid charging configurations. In this case, resetting the Roomba robot to its factory default settings will solve the problem. To reset, 600 & 800 Series Roomba Robots: If none of the above works, contact Roomba Support. The battery may need replacement. Otherwise, the robot or its charging unit will be faulty. You may claim a replacement under warranty. If the robot is out of warranty, Roomba Support will run some tests to find out the problematic part. If the part is found, you may purchase the replacement part from Roomba.
