iRobot Roomba · updated 2026-07-06

Charging Error 5: Charging Error 5 — dirty contacts

What it means

Charging contacts on the robot or dock are dirty.

The fix

Clean both sets of contacts with a dry cloth or eraser; place the dock on a level surface.

Applies to

All series

Source

Documented by established repair references (iRobot per-series charts are not directly linkable per code): https://smartrobotichome.com/roomba-error-codes-troubleshooting/

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.