Roomba Charging Error 8
ErrorCharging Error 8
iRobot identifies Charging Error 8 as a battery-communication fault. Confirm the exact message before using the battery and charging-contact checks.
What the code means
The robot cannot communicate correctly with its battery
Use these steps only when the message specifically says Charging Error 8. Do not open other electrical components or use an incompatible battery.
Typical symptoms
01The display or app specifically says Charging Error 8
02The robot does not charge normally
03The error returns after the robot is placed on its dock
Likely causes
Start with the least invasive explanation and stop if the check requires internal electrical or sealed-system access.
01Battery communication failure
02An incompatible or incorrectly seated battery
03Dirty charging contacts on the robot or dock
Safe next steps
- 1Confirm that the message specifically says Charging Error 8
- 2Confirm the battery is an authentic iRobot lithium-ion battery
- 3Remove and reinstall the battery using the procedure for the exact model
- 4Clean the charging contacts on the robot and dock
- 5Contact iRobot Customer Care if the error persists
Step-by-step repair
- 1Remove and reinstall the battery only as the exact Roomba model procedure shows
- 2Clean the charging contacts on the robot and dock
- 3Attempt charging once
- 4Contact iRobot if the error persists
Repair details
🔧Tools
Cleaning material suitable for the charging contacts, Exact-model iRobot battery-removal instructions
Cleaning material suitable for the charging contacts, Exact-model iRobot battery-removal instructions
▣Spare parts
Authentic iRobot lithium-ion battery only if iRobot confirms replacement is needed
Authentic iRobot lithium-ion battery only if iRobot confirms replacement is needed
What not to do
- Do not use an incompatible or aftermarket battery
- Do not use these steps for a differently worded vacuum error
- Do not open other electrical components
Preventive maintenance
- 1Keep robot and dock charging contacts clean
- 2Use only authentic iRobot batteries
Frequently asked questions
What does Charging Error 8 mean?
iRobot identifies a battery-communication fault.
What should I do if it remains?
iRobot directs users to contact Customer Care after the battery and contact checks.
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