FLA12100
Battery14 codesC01Battery overvoltage.Fault
Battery overvoltage fault. LED pattern: LED1 FLASH, LED2 OFF, LED3 OFF, LED4 OFF (with FAULT mode: GREEN OFF, RED ON).
Restart the unit. if the error persists, contact the repair center.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C02Battery undervoltage.Fault
Battery undervoltage fault. LED pattern: LED1 OFF, LED2 ON, LED3 OFF, LED4 OFF.
Restart the unit. if the error persists, contact the repair center.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C03Cell overvoltage.Fault
Cell overvoltage fault. LED pattern: LED1 ON, LED2 ON, LED3 OFF, LED4 OFF.
Restart the unit. if the error persists, contact the repair center.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C04Cell undervoltage.Fault
Cell undervoltage fault. LED pattern: LED1 OFF, LED2 OFF, LED3 ON, LED4 OFF.
Restart the unit. if the error persists, contact the repair center.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C05Charge overcurrent.Fault
Charge overcurrent fault. LED pattern: LED1 ON, LED2 OFF, LED3 ON, LED4 OFF.
Restart the unit. if the error persists, contact the repair center.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C06Discharge overcurrent.Fault
Discharge overcurrent fault. LED pattern: LED1 OFF, LED2 ON, LED3 ON, LED4 OFF.
Restart the unit. if the error persists, contact the repair center.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C07MOS overtemperature.Fault
MOSFET over-temperature fault. LED pattern: LED1 ON, LED2 ON, LED3 ON, LED4 OFF.
1. The inner temperature is over the limitation. 2. The ambient temperature may be too high.
Check whether the ambient temperature is too high.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C08MOS undertemperature.Fault
MOSFET under-temperature fault. LED pattern: LED1 OFF, LED2 OFF, LED3 OFF, LED4 ON.
1. The internal temperature is lower than the limit range. 2. The ambient temperature may be too low.
Check whether the ambient temperature is too low.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C09Cell overtemperature.Fault
Cell over-temperature fault. LED pattern: LED1 ON, LED2 OFF, LED3 OFF, LED4 ON.
Restart the unit. if the error persists, contact the repair center.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C10Cell undertemperature.Fault
Cell under-temperature fault. LED pattern: LED1 OFF, LED2 ON, LED3 OFF, LED4 ON.
Restart the unit. if the error persists, contact the repair center.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C11Abnormal current sampling.Fault
Abnormal current sampling fault. LED pattern: LED1 ON, LED2 ON, LED3 OFF, LED4 ON.
Restart the unit. if the error persists, contact the repair center.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C12Abnormal output impedance.Fault
Abnormal output impedance fault. LED pattern: LED1 OFF, LED2 OFF, LED3 ON, LED4 ON.
Restart the unit. if the error persists, contact the repair center.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C13Parallel failed.Fault
Parallel connection failure between battery units. LED pattern: LED1 ON, LED2 OFF, LED3 ON, LED4 ON.
Single unit may be installed to a parallel system, or wiring connection between parallel units is incorrect/incomplete.
1. Check if a single unit is installed to a parallel system. 2. if this error happens during parallel installation, check wire connections; if connected correctly, finish parallel installation first and then restart the unit. 3. if the problem remains, contact your installer.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1C14Output loss.Fault
Output loss fault. LED pattern: LED1 OFF, LED2 ON, LED3 ON, LED4 ON.
1. Check whether the circuit breaker is closed. 2. Check whether the fuse is normal. 3. Restart the unit. if the error persists, contact the repair center.
Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.