Disclaimer: The following support solution will erase the memory on NAO. Make sure you are familiar with disc formatting and know/follow the directions before attempting the following. If you have questions, contact us before attempting this solution.
Let’s try to do a factory reset to the robot. (you can follow this video as well https://www.youtube.com/watch?time_continue=171&v=GOroldPAEzE )
If you experience a low suction / low pick up rate, you would like to look inside the suction cup and make sure there's no obstruction to the air flow. Sometimes the rubber isn't cut all the way through, you would like to peel it off / remove it, to allow the pump to create the vaccum.
If you’re unable to find an answer on our website, fill out the form below to start a ticket. We normally aim to respond to all emails within a few days.