Xiaomi Electric Scooter 6 Pro Error code and repair guideline

Fault Code	Fault Category	Fault Code Definition	Fault code triggering scenarios	Solution	Riding availability
10	Controller	Instrument and controller communication failure	Damaged instrument communication lines, water ingress, or poor contact with the main control wiring harness.	1. Check if the instrument communication cable is damaged or detached; replace it if necessary. 2. If the instrument communication circuit is damaged, replace the instrument. 3. If the communication circuit between the controller and the instrument is damaged, replace the controller.	No
11	Controller	Controller overcurrent protection	Controller ADC sampling problem, hardware issue	1. Power off and restart to see if the fault is eliminated. 2. Check if the controller has been exposed to water; if so, replace the controller. 3. Check if the controller's motor wiring harness is damaged; if so, replace the wiring harness. 4. The controller's current sampling circuit is damaged; if so, replace the controller.	No
12	Controller	Controller current sampling fault	Controller ADC sampling problem, hardware issue	The controller hardware is damaged; replace the controller.	No
21	Controller	Controller and battery communication failure	Damage to the communication lines/harness between the controller and battery, after a battery firmware upgrade, or when you user use a third-party battery.	1. Damaged battery communication harness: Replace the harness or the battery. 2. Damaged controller battery communication circuit or terminals: Replace the controller. 3. Damaged battery communication circuit: Replace the battery BMS board or the battery. 4. Replaced with a different model battery or a third-party battery: Replace with the same model battery.	No
28	Controller	Controller MOS bridge fault	controller hardware short circuit	The controller hardware is damaged; replace the controller.	No
29	Controller	Controller MOS lower bridge fault	controller hardware short circuit	The controller hardware is damaged; replace the controller.	No
40	Controller	Controller temperature sensor failure	Controller hardware problem	The controller's temperature acquisition circuit is damaged; replace the controller.	No
18	Motor	Motor Hall fault	The connection between the Hall sensor and the controller on the motor is loose or the Hall device is damaged.	1. Motor Hall sensor wire damaged; replace the wiring harness or the motor. 2. Motor Hall sensor is damaged; replace the motor Hall sensor board or the motor. 3. Controller Hall sensor acquisition circuit damaged or terminals damaged; replace the controller.	No
14	Accelerator	Throttle malfunction: Throttle does not return to its original position upon startup.	Accidentally pressed the accelerator pedal; the accelerator sensor wire broke due to the removal and reinstallation of the front connector; then pressed the accelerator pedal to turn on the device.	1. Check if the throttle is stuck; it needs to be reset. 2. Check if the throttle is damaged; it needs to be replaced. 3. Check if the wiring harness is loose or damaged; replace the wiring harness or component. 4. The instrument cluster's throttle input circuit is damaged; replace the instrument cluster.	No
15	Brake lever	Brake lever malfunction; brake lever does not return to its original position when the machine is turned on.	The brake sensor wire broke due to the removal and reinstallation of the front connector, causing you to press the brake pedal while turning on the device.	1. Check if the brake lever is stuck; it needs to be reset. 2. Check if the brake lever is damaged; it needs to be replaced. 3. Check if the wiring harness is loose or damaged; replace the wiring harness or component. 4. The instrument cluster brake lever data acquisition circuit is damaged; replace the instrument cluster.	No
35	Instrument	The instrument did not write the SN.	In after-sales scenarios, the newly replaced instrument panel did not have its serial number (SN) written into it.		No
36	Controller	Hardware replacement alert: Instrument and controller authentication failed.	After replacing the instrument control board, a reminder appears upon power-on: In after-sales scenarios, the original instrument or controller was not unbound after the new instrument or controller was replaced.		No
39	Battery	Battery NTC short circuit/open circuit	Battery NTC hardware problems are caused by harsh environments, physical force, component quality, loose interfaces, and aging due to long-term use.	Battery hardware failure: replace battery BMS or battery.	No
53	Battery	Cell imbalance	Battery cell hardware failures caused by abnormal charging and discharging, high-load riding, battery aging, poor storage environments, etc.	Replace with the same model battery	No
58	Battery	Battery charging overcurrent protection	Causes include charger malfunction, charging cable short circuit, and internal circuit problems in the battery.	1. If this fault occurs during charging, first disconnect the charger from the battery and check if the charger and charging cable are damaged; 2. Try charging again with a compatible charger and charging cable.	No
59	Battery	Battery discharge overcurrent alarm	Excessive current draw when power is drawn from the battery	1. Try shutting down and restarting. 2. If the problem persists after restarting, please unplug and replug the charger.	No
61	Battery	Battery MOS failure	Charge/discharge MOS fault	Replace with the same model battery	No
54	Battery	Battery charging high temperature protection	Excessive load, continuous hill climbing, and excessively high ambient temperature	1. If the battery temperature sensor or acquisition circuit is damaged, try replacing the battery BMS or the battery itself.	No
56	Battery	Battery discharge high temperature alarm	Excessive load, continuous hill climbing, and excessively high ambient temperature	1. If the battery temperature sensor or acquisition circuit is damaged, try replacing the battery BMS or the battery itself.	Yes