E19
Ultenic Internal Memory / Map Storage Error

Robot vacuum shows E19 and mapping data is lost or cannot be saved.

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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

Corrupted map data, Firmware bug, Failing flash memory on main board, Interrupted updates

How to Fix / Troubleshooting

Safety first: Ensure the robot has sufficient battery before performing resets.

  • Update firmware: Open the Ultenic app and check for firmware updates. Install any available updates with the robot on the dock.
  • Reset maps: In the app, delete existing maps and allow the robot to perform a full new mapping run.
  • Factory reset: If issues persist, perform a factory reset from the app or using the hardware buttons (refer to manual). This will erase all settings and maps.
  • Test mapping: Run a full cleaning cycle and confirm if a new map is saved.
  • If E19 remains: The main control board flash memory may be failing, requiring board replacement.
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Repair Difficulty

Professional Required 5/5

Required Part

Main Control Board
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