Fault

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

CELL VOLTAGE LOW.

1 Devices that report this code
LUX-E-48100LG04Battery↗ view on device
FAULT (RED ON, LED1=OFF, LED2=OFF, LED3=ON, LED4=OFF)CELL VOLTAGE LOW.Fault
Cause

An individual cell voltage fell below the lower cell protection threshold.

Recommended fix

Recharge the battery promptly. The BMS will self-recover once cell voltage recovers. 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.