Scrap-n-Repair: Xiaomi Mijia Vacuum Robot 2C / Mop 2 Movement Issue 

This unit was found in the trash area, cleaned, tested, and found and found that one of the wheels is not moving correctly. Further check found one of the wheel assembly cables is damaged and disconnected. After soldering the affected cable, the unit works back to normal.
Tools and parts required:
-Philips screwdriver
-Brush and detergent for cleaning
-Soldering iron and lead
-Multi-Tester
-Electrical tape/wire insulator
Link for the Disassembly and assembly process: • Xiaomi Mijia 2C / Mop2...
Disclaimer: Perform this repair at your own risk touching any internal parts can cause an electric shock