How to fix :error 40 roomba ?

Instructions for Fixing Errors Error 40 Roomba

Roomba is a popular brand of robotic vacuum cleaners that has been designed to make cleaning easier and more efficient. However, like any other electronic device, Roomba can encounter errors that can affect its performance. One of the most common errors that Roomba users encounter is Error 40. This error is usually caused by a problem with the Roomba’s battery or charging system. In this article, we will provide you with detailed instructions on how to fix Error 40 on your Roomba.

What is Error 40 on Roomba?

Error 40 on Roomba is an indication that there is a problem with the charging system or battery. This error is usually displayed on the Roomba’s display screen as a flashing red light. When you encounter Error 40, your Roomba will not be able to charge properly, and it may not function as expected.

How to Fix Error 40 on Roomba

Step 1: Check the Battery

The first thing you need to do when you encounter Error 40 on your Roomba is to check the battery. Make sure that the battery is properly connected to the Roomba and that it is not damaged. If the battery is damaged, you will need to replace it with a new one. You can purchase a new battery from the Roomba website or from a local electronics store.

Step 2: Check the Charging System

If the battery is not the problem, the next thing you need to check is the charging system. Make sure that the charging dock is properly connected to the power source and that the Roomba is properly placed on the dock. If the charging dock is not properly connected to the power source, you may need to check the power outlet or use a different outlet. If the Roomba is not properly placed on the dock, it may not charge properly.

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Step 3: Reset the Roomba

If the battery and charging system are not the problem, you may need to reset the Roomba. To reset the Roomba, press and hold the “Clean” button for 10 seconds. The Roomba will beep, and the lights will turn off. Release the button, and the Roomba will restart. This should clear any errors that may be causing the problem.

Step 4: Contact Roomba Support

If none of the above steps work, you may need to contact Roomba support for further assistance. You can contact Roomba support through their website or by phone. They will be able to provide you with additional troubleshooting steps or arrange for a repair or replacement if necessary.


Error 40 on Roomba can be frustrating, but it is usually easy to fix. By following the steps outlined in this article, you should be able to fix Error 40 on your Roomba and get it back to its normal functioning. If you encounter any other errors or problems with your Roomba, be sure to check the Roomba website or contact support for assistance.

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7.iRobot Roomba Error Codes – Troubleshooting Guide – Vacuumist

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9.Roomba Error Codes: A Complete Guide – VacuumStyle

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With the above information sharing about error 40 roomba on official and highly reliable information sites will help you get more information.

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