EASY FIX: Roomba Won’t Charge – iRobot Roomba – Robot Vacuum Cleaner – Roomba Not Charging
Error seven (7) means the side wheels cannot turn. This can happen if your j series robot was started on an uneven surface or got stuck on an obstacle. If this is the case, lift your Roomba® off the floor and place it in the center of the room and restart the clean cycle.