Roomba 900 Error 15: “Press CLEAN to restart.”
If Roomba says “Error 15. Press CLEAN to restart,” press CLEAN to restart the cleaning mission.
If the message persists, reboot the robot.
Press and hold the CLEAN button on the robot for 10 seconds until all the indicators illuminate.
When you release the button, you will hear a series of tones.
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Press and release CLEAN once, and then wait 5 seconds.
If the message persists after rebooting the robot, please contact iRobot Customer Care.