Please refer to the following method to find the serial number for your E20:
The serial number for the robot is printed on a sticker aside from the suction port on the Robot.
If you encounter a technical issue with your E20 that cannot be resolved, please provide the following detailed information for us to quickly identify the root cause of the issue and ensure a swift resolution:
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A detailed description of the issue you are experiencing.
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The specific error message or code displayed on the eufy Clean app or voice alert emitted by the E20.
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If the issue is either a routing or mapping issue, please launch the eufy Clean app and proceed to Settings > tap the "E20" icon > Device Info > Copy Device Information.
Then, please return to Settings >Robot Settings to enable the "Activity Log Upload" feature.
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List the troubleshooting steps you have already done.
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Provide videos or photos that show the robot's behavior and its surrounding environment, especially the exact location where the issue occurs. Please make sure to include environmental factors, such as flooring and location.
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Proof of purchase. A screenshot or photo of your order invoice or receipt.
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Any other relevant information that can allow us to diagnose the issue.
Remember, we are always here to help! Even if you do not have all the information readily available, our Support Engineers will gladly guide you through troubleshooting steps to resolve the issue with your E20.
If you have any further questions regarding the E20, please don't hesitate to contact us for assistance.












