Fault

LED1=ON, LED2=OFF, LED3=OFF, LED4=ON

Cell Temperature High.

1 Devices that report this code
LED1=ON, LED2=OFF, LED3=OFF, LED4=ONCell Temperature High.Fault
Description

Battery cell temperature exceeded upper protection threshold (operating range Charge: 0 to +55 C; Discharge: -20 to +55 C).

Source:Felicity-FLB48314TG1-Manual.pdf

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