Xiaomi Electric Scooter 4 Ultra Error Codes

Complete error code reference for Xiaomi 4 Ultra

Error Code Reference

Below are all documented error codes for the Xiaomi Electric Scooter 4 Ultra. Each code includes the cause and recommended solution.

Error E02: Battery Management Error

Critical

Battery system fault

🔍 Likely Cause:

BMS or voltage issue

🔧 Solution:

Check battery health

Error E03: Motor Controller Error

High

Controller malfunction

🔍 Likely Cause:

Overheating or failure

🔧 Solution:

Service controller unit

Error E01: System Communication Error

Medium

Internal communication failure

🔍 Likely Cause:

Connection problem

🔧 Solution:

Check wiring harness