FLA48200

Battery14 codes
12 Fault 2 Warning
C01Battery overvoltage.Faulthigh
Description

Total battery pack voltage exceeded the upper limit.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 12
C02Battery undervoltage.Faulthigh
Description

Total battery pack voltage dropped below the lower limit.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 12
C03Cell overvoltage.Faulthigh
Description

Individual cell voltage exceeded the upper limit.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 12
C04Cell undervoltage.Faulthigh
Description

Individual cell voltage dropped below the lower limit.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 12
C05Charge overcurrent.Faulthigh
Description

Charging current exceeded safe limits.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 12
C06Discharge overcurrent.Faulthigh
Description

Discharging current exceeded safe limits.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 12
C07MOS overtemperature.Faulthigh
Description

MOSFET temperature is too high.

Cause

1. The inner temperature is over the limitation. 2. Ambient temperature is too high.

Recommended fix

Check whether the ambient temperature is too high.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 12
C08MOS undertemperature.Faulthigh
Description

MOSFET temperature is too low.

Cause

1. The internal temperature is lower than the limit range. 2. Ambient temperature is too low.

Recommended fix

Check whether the ambient temperature is too low.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 12
C09Cell overtemperature.Faulthigh
Description

Cell temperature exceeded the upper limit.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 13
C10Cell undertemperature.Faulthigh
Description

Cell temperature dropped below the lower limit.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 13
C11Abnormal current sampling.Warningmedium
Description

Current sampling/measurement circuit reported an abnormal reading.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 13
C12Abnormal output impedance.Warningmedium
Description

Battery output impedance is abnormal.

Recommended fix

Restart the unit. if the error persists, contact the repair center.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 13
C13Parallel failed.Faulthigh
Description

Parallel installation failed; battery cannot establish parallel communication or balance with other packs.

Cause

Improper parallel installation or incorrect wire connections between the battery packs in parallel.

Recommended fix

1. Please check if single unit is installed to parallel system. 2. if this error happens during parallel installation, please check wires connection. if they are connected correctly, please finish parallel installation first, and then restart the unit. 3. if the problem remains, please contact your installer.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 13
C14Output loss.Faulthigh
Description

Battery output is lost - no power being delivered to the load.

Cause

Circuit breaker open or fuse blown.

Recommended fix

1. Please check whether the circuit breaker is closed; 2. Please check whether the fuse is normal; 3. Restart the unit. if the error persists, contact the repair center.

Source:Felicitysolar FLA48200 48V 200Ah 10kWh Lithium Phosphate Battery User Manual.pdf · page 13

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