iRobot Roomba · updated 2026-07-06

Error 16: Tilted at start

What it means

The robot started on an uneven surface or the bumper is dislodged.

The fix

Place the robot on a flat surface and press CLEAN.

Applies to

i Series and modern models

Source

Official iRobot support article: https://homesupport.irobot.com/s/article/8968

Fix didn't take? Charging-family errors that recur usually mean the battery — see the charging-errors guide. For anything deeper, here's who actually repairs Roombas in 2026, with published prices.