FAULT: LED1=ON, LED2=OFF, LED3=OFF, LED4=ON (Green OFF, Red ON)
Cell Temperature High.
FAULT: LED1=ON, LED2=OFF, LED3=OFF, LED4=ON (Green OFF, Red ON)Cell Temperature High.Fault
Cell pack over-temperature protection has tripped.
Cells heated above the safe operating temperature (charging range 0-55 degC, discharging range -20-60 degC per spec).
Stop charging/discharging, let the pack cool, and improve ventilation. if the fault persists at normal ambient, contact the supplier.
Felicitysolar LPBF24200-M LiFePO4 Battery System for Households User Guide.pdf · page 9FAULT: LED1=ON, LED2=OFF, LED3=OFF, LED4=ON (Green OFF, Red ON)Cell Temperature High.Fault
Cell-pack over-temperature protection has tripped. Listed in the FAULT row of the LED table on page 7 as 'CELL TEMPERATURE HIGH'.
Cells heated above the safe operating temperature. Per the section 2.3 spec the working temperature range is Discharge -20 to +65 degC and Charge 0 to +55 degC; this fault trips when cells exceed those limits.
Stop charging / discharging, let the pack cool, and improve ventilation. if the fault persists at normal ambient temperature, contact the supplier for service (section 1.3 items 3 and 12 — only qualified service persons may open the unit).
Battery Manual LPBF48250 (EN).pdf · page 7Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.