Roomba 500–900 Series, e Series, i Series, j Series, s Series and m Series will tell you something is wrong with the light ring turning red followed by a narrated voice. A message or notification may also appear in the iRobot® HOME App.
Charging requires the battery, the robot and the Home Base all to be working properly.
Roomba® and Braava® are designed to detect a variety of temporary and permanent faults in any of these three components, and halt charging to ensure safety and allow you to correct the problem.
These error codes let you zero in on which part of the system is not working optimally. And if user servicing does not correct the problem, the error codes enable our care agents to take the best corrective action and get your robot charging as quickly as possible so you can enjoy a clean home.
Important: Use only genuine iRobot® batteries. Be wary of Unauthorized Resellers and Counterfeit Products. Using aftermarket purchased batteries may result in the following Charging Errors, and will void the Warranty.
Refer to the following chart to determine what to do:
| Roomba® Says... | Action | More Details |
|---|
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Charging Error One (1).
Check that Roomba’s battery is installed. Open the iRobot App for help.
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Roomba® does not detect a battery. Please remove and reinstall the battery.
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battery - Charging Error 1
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Charging Error Two (2).
Please open the iRobot App for help.
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A charge fault has been detected. Please confirm that you are using an authentic iRobot® Lithium-Ion battery, and check for liquid damage.
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Charging System - Charging Error 2
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Charging Error Three (3).
Please open the iRobot App for help.
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A charge fault has been detected. Please try charging again. Check for liquid damage.
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Roomba Charging Error 3
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Charging Error Four (4) and Five (5).
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A low current fault has been detected with the Home Base or the robot. Please clean the charging contacts.
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battery - Charging Error 4 and 5
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Charging Error Six (6) and Seven (7).
Please open the iRobot App for help.
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Roomba®'s battery is either too warm or too cold for charging. Ensure the robot is at room temperature and try again.
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battery - Charging Error 6 and 7
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Charging Error Eight (8).
Please open the iRobot App for help.
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Roomba® cannot communicate with its battery. Ensure battery is iRobot® Authentic. Remove then reinstall.
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battery - Charging Error 8
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Charging Error Nine (9).
Please open the iRobot App for help.
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A battery failure has been detected. The battery may need to be replaced.
Ensure battery is iRobot® Authentic. Remove then reinstall.
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battery - Charging Error 9
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Charging Error Eleven (11).
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A battery failure has been detected. The battery may need to be replaced.
Ensure battery is iRobot® Authentic. Remove then reinstall.
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battery - Charging Error 11
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Charging Error Seventeen (17).
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The battery may not be iRobot® Authentic. Confirm you are using an authentic iRobot® battery. Remove then reinstall.
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battery - Charging Error 17
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Charging Error Nineteen (19).
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Charging timed out. Remove and reinstall battery to clear. Clean charging contacts.
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battery - Charging Error 19
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Charging Error Twenty (20).
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Battery fault or battery not ready to charge. Remove the battery for 15 minutes - then reinstall. If the error persists, the battery may need to be replaced.
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battery - Charging Error 20
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Charging Error Twenty-One (21).
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Robot docked but unable to charge. Clean the charging contacts.
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battery - Charging Error 21
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