iRobot Roomba · updated 2026-07-06

Error 46: Battery low mid-mission

What it means

The battery ran too low to continue the mission.

The fix

Place the robot on its Home Base and let it charge fully before resuming.

Applies to

i Series

Source

Official iRobot support article: https://homesupport.irobot.com/s/article/19553

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.