Tesvor Map Storage / Memory Issue

Robot's map resets frequently or cannot save maps between cleaning sessions.

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.

Possible Causes

Firmware limitations on multi-floor mapping, Corrupted map data, Failing flash memory on main board, Power loss during saving

How to Fix / Troubleshooting

Safety first: No internal access required.

Software steps:

Ensure the robot completes a full cleaning and returns to dock before you power it off.
In the app, delete the existing map and allow the robot to create a new one from scratch.
Update firmware to the latest version, as mapping stability often improves with updates.

If maps still reset randomly: The internal flash memory or file system may be failing. This is part of the main board; replacement is required to permanently resolve the issue.

Repair Difficulty

Medium 3/5

Required Part

Main Control Board

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