Charging Error 5 — Low current fault (dirty contacts)
A low-current fault has been detected between the dock and the robot — the same underlying condition iRobot documents for Charging Error 4. Clean the charging contacts on both the robot and the dock.
- Keep using it?
- Yes, with caution
- DIY difficulty
- Easy
- Verified against
- homesupport.irobot.com ↗
How to fix it
- Unplug the Home Base (or Clean Base).
- Wipe the metal charging contacts on the robot (underside, near the wheels) with a dry or lightly alcohol-dampened cloth.
- Wipe the charging contacts on the dock the same way.
- Let both sets of contacts dry fully, then plug the dock back in.
- Place the robot on the dock and confirm it starts charging.
- If Charging Error 5 comes back after cleaning, contact iRobot support — this shared low-current fault (with Error 4) is documented as a contact/connection issue, not a battery diagnosis.
Why it happens
Typical signs: 'Charging error 5' voice prompt · Robot won't charge, or charging stops shortly after starting · Same low-current condition iRobot lists for Charging Error 4
- Dirty charging contacts on the robot Dust, grime, or oxidation on the robot's charging contacts blocks a clean low-current connection to the dock.
- Dirty charging contacts on the dock Buildup on the Home Base (or Clean Base) charging prongs causes the same low-current fault.
Related repair guides
More iRobot robot vacuum codes
Frequently asked questions
What does the Charging Error 5 code mean on a iRobot robot vacuum?
A low-current fault has been detected between the dock and the robot — the same underlying condition iRobot documents for Charging Error 4. Clean the charging contacts on both the robot and the dock.
What causes the Charging Error 5 code on a iRobot robot vacuum?
Dirty charging contacts on the robot: Dust, grime, or oxidation on the robot's charging contacts blocks a clean low-current connection to the dock. Dirty charging contacts on the dock: Buildup on the Home Base (or Clean Base) charging prongs causes the same low-current fault.
Is it safe to keep using a iRobot robot vacuum with a Charging Error 5 error?
Yes, with caution. This is rated a moderate-severity fault.
How do I fix Charging Error 5 on a iRobot robot vacuum?
Unplug the Home Base (or Clean Base). Wipe the metal charging contacts on the robot (underside, near the wheels) with a dry or lightly alcohol-dampened cloth. Wipe the charging contacts on the dock the same way.
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: homesupport.irobot.com.