Fault

FAULT (RED ON, LED1=ON, LED2=ON, LED3=OFF, LED4=OFF)

CELL VOLTAGE HIGH.

1 Devices that report this code
FAULT (RED ON, LED1=ON, LED2=ON, LED3=OFF, LED4=OFF)CELL VOLTAGE HIGH.Fault
Cause

An individual cell voltage exceeded the upper cell protection threshold.

Recommended fix

Stop charging and allow the affected cell voltage to drop. The BMS will self-recover once the trigger condition is removed. if the fault persists, contact the local distributor.

Source:LUX-E-48100LG04-Lithium-Battery-User-Guide.pdf · page 12

Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.