Had the same error yesterday. I disassembled the robot and found a small object (dirt) blocking the fan. After removing it the problem is gone. It's easy to do, if you're skilled. You can also find videos on you tube, how to disassemble the robot.

hi there, can you share the link?

Same problem here, I rebooted it but after working for a few seconds it happens again

Hi Markus, did you solved this "error 18"? I just had the same error and the suction stopped when the robot moves.

Hi Giselle, you can switch to quiet mode in the app before you start the cleaning. You can later on adjust to the full power setting and it works so far. The only thing is that you cannot start the robot with the full power setting because it seems to be powering down because it consumes too much power and it goes then into failsafe mode and shuts down.

has this worked so far for you?

Hi Matt, I'm using the robot now always with one of the lowest settings and it seems to be working just fine. Since I don't need the high power mode I'm not missing a thing.

ill give it a go and get back to you

nope, ive tried everything now, does not work