FAULT: LED1=OFF, LED2=ON, LED3=OFF, LED4=OFF (Green OFF, Red ON)
Battery Voltage Low (Fault).
FAULT: LED1=OFF, LED2=ON, LED3=OFF, LED4=OFF (Green OFF, Red ON)Battery Voltage Low (Fault).Fault
Pack under-voltage protection has tripped; output is disabled.
Pack voltage fell below the BMS under-voltage protection threshold during discharge.
Stop the load immediately and recharge the battery as soon as mains or solar is available. Do not attempt repeated activation cycles on an over-discharged pack.
Felicitysolar LPBF24200-M LiFePO4 Battery System for Households User Guide.pdf · page 9FAULT: LED1=OFF, LED2=ON, LED3=OFF, LED4=OFF (Green OFF, Red ON)Battery Voltage Low.Fault
Pack-level under-voltage protection has tripped; output is disabled. Listed in the FAULT row of the LED table on page 7 as 'BATTERY VOLTAGE LOW'.
Pack voltage fell below the BMS under-voltage threshold during discharge — typically at or near the 48 V cut-off voltage (section 2.4).
Stop the load immediately and recharge from mains or PV as soon as possible. Section 1.4 warns repeatedly that an over-discharged pack may fail to be re-activated by the AC or PV activation cable, so do not attempt repeated activation cycles on a depleted pack.
Battery Manual LPBF48250 (EN).pdf · page 7Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.