FAULT: LED1=ON, LED2=ON, LED3=ON, LED4=OFF (Green OFF, Red ON)
BMS Temperature High.
FAULT: LED1=ON, LED2=ON, LED3=ON, LED4=OFF (Green OFF, Red ON)BMS Temperature High.Fault
BMS / electronics over-temperature protection has tripped.
Insufficient ventilation around the unit, ambient temperature too high, or sustained high charge/discharge current.
Stop charging/discharging and let the unit cool. Improve ventilation and ensure the ambient temperature is within 0-45 degC for installation per section 3.2.
Felicitysolar LPBF24200-M LiFePO4 Battery System for Households User Guide.pdf · page 9FAULT: LED1=ON, LED2=ON, LED3=ON, LED4=OFF (Green OFF, Red ON)BMS Temperature High.Fault
BMS / electronics over-temperature protection has tripped. Listed in the FAULT row of the LED table on page 7 as 'BMS TEMPERATURE HIGH'.
Insufficient ventilation around the unit, ambient temperature too high, or sustained high charge / discharge current heating the BMS board. Per section 1.3 item 14 the unit must not be installed above 55 degC ambient or above 80% humidity; per section 3.2 the recommended ambient range is 0-45 degC.
Stop charging / discharging and let the unit cool. Improve ventilation and ensure clearances around the unit per the section 3.2 mounting diagram, and verify ambient is within 0-45 degC.
Battery Manual LPBF48250 (EN).pdf · page 7Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.