iRobot Robot Vacuum Charging Error 2 — Battery not detected
iRobot Robot Vacuum · Error code Charging Error 2
What Charging Error 2 Means
Robot cannot communicate with the battery — usually battery contacts or end-of-life battery.
Symptoms
- 'Charging error 2' voice prompt
- Robot won't power on or charge
- Battery indicator stays red or off
Common Causes
Yellow battery pull tab not removed on new units.
Oxidation on battery terminals or internal contacts.
Li-Ion batteries typically last 2-3 years; capacity has dropped below operational threshold.
Internal protection circuit triggered permanently.
How to Fix It
- Open the battery compartment and remove the battery.
- Check for and remove any yellow pull tab.
- Wipe contacts on the battery and inside the compartment with a dry cloth.
- Reinstall and place on Home Base for at least 3 hours.
- If still not charging, replace the battery with an iRobot OEM Lithium-Ion battery.
Parts You May Need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
More iRobot Robot Vacuum Codes
Verified against manufacturer documentation: homesupport.irobot.com
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.