E14
AEG
Firmware or Mainboard Initialization Error
Robot vacuum shows E14 and refuses to start cleaning, often after firmware update.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Interrupted firmware update, Corrupted firmware, Main PCB failure, Incompatible firmware version
How to Fix / Troubleshooting
Safety: Keep the robot on the dock with stable power.
- Restart robot: Turn the main power switch OFF (if available), wait 30 seconds, then turn it ON again.
- Retry update: Open the AEG app and check for firmware updates. If available, perform the update again with a stable internet connection and do not interrupt power.
- Factory reset: Perform a factory reset according to the user manual. Note that this will erase maps and settings.
- If E14 persists: The main control PCB may be corrupted or damaged and will likely need replacement by an authorized service center.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control PCB
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