This unit was found in the detrash area, tested, and it is auto shuts down after a few minutes even if the battery is now low. No response on the top buttons. Only will work when returned to the charging dock. Disassembled the unit to check the battery (no physical damage), Sensors (all good even if cleaned), and Board (no busted fuse, all components are good). After replacing the battery the unit is back to normal.
Tools and parts required:
-Philips screw driver
-Cleaning detergent
-Brush
-Battery PN:BRR-2P4S-5200S 5200mAh
Disclaimer: Perform this repair at your own risk touching any internal parts can cause an electric shock