Fault
1 Devices that report this codeFAULT (RED ON, LED1=ON, LED2=ON, LED3=OFF, LED4=ON)
CURRENT SENSOR ABNORMAL.
FAULT (RED ON, LED1=ON, LED2=ON, LED3=OFF, LED4=ON)CURRENT SENSOR ABNORMAL.Fault
Cause
BMS detected an abnormal reading from the current-sampling circuit / current sensor.
Recommended fix
Restart the battery (turn breaker OFF then ON, press POWER for 1 second). if the fault persists, contact the local distributor (per section 10.2: when the LED does not light up or flash on power-up, consider contacting the local distributor).
Source:
LUX-E-48100LG04-Lithium-Battery-User-Guide.pdf · page 12Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.