Fault

C10

Cell undertemperature.

17 Devices that report this code
C10Cell undertemperature.Fault
Description

Cell under-temperature fault. LED pattern: LED1 OFF, LED2 ON, LED3 OFF, LED4 ON.

Recommended fix

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

Source:Felicitysolar FLA12100 12.5Kwh Battery Energy Storage System User Manual.pdf · page 1
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
C10Cell undertemperature.Critical
Description

Battery cell temperature has fallen below its lower protection threshold.

Recommended fix

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

Source:6peluqppy_66a93554057c8.pdf · page 13
C10C10Fault
Description

Cell undertemperature.

Recommended fix

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

Source:FLA48250-EU_Manual.pdf · page 8
C10Cell undertemperature.Fault
Description

Battery cell under-temperature protection triggered.

Cause

Cell temperature below lower limit.

Recommended fix

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

Source:felicitysolar FLA48500 LiFePO4 Battery System for Households User Guide.pdf
C10Zell-Untertemperatur.Fault
Description

Cell undertemperature. Temperature of a battery cell is below the lower protection limit.

Cause

Cell temperature below limit (Zellentemperatur unter der Schutzgrenze). Possibly insufficient ambient temperature.

Recommended fix

Restart the unit. if the error persists, return to repair centre. Charge in an environment within the operating temperature range.

Source:Benutzerhandbuch - Felicity FLS48100SG2.pdf
C10Cell undertemperature.Fault
Description

Battery cell under-temperature protection triggered.

Cause

Cell temperature below lower limit.

Recommended fix

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

Source:HE-GF-FLA-48500 Manual_20250327_EN.pdf
C10Single cell undertemperature.Fault
Description

Individual-cell under-temperature fault displayed on the LCD BMS fault code / flag screen (section 4.4).

Cause

Cell temperature below the allowed range. Per section 2.3 charging is permitted only between 0 and +55 degC, discharging between -20 and +60 degC.

Recommended fix

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

Source:358-010291-07.pdf · page 9
C10Single cell undertemperature.Fault
Description

An individual cell temperature is below the operating limit.

Cause

Cell temperature below safe lower threshold (likely cold ambient, charging blocked below 0 deg C).

Recommended fix

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

Source:Manual-LPBF48200-H.pdf · page 10
C10C10Fault
Recommended fix

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

Source:Felicitysolar LPBF48350 17.5kWh 48V Solar Battery Pack with BMS User Guide.pdf
C10Cell undertemperature.Fault
Cause

An individual cell temperature fell below the lower protection threshold.

Recommended fix

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

Source:LUX-E-48100LG03-Lithium-Battery-User-Guide.pdf · page 13
C10C10Fault
Recommended fix

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

Source:LUX-E-48200LG03-Lithium-Battery-User-Guide.pdf · page 13
C10C10Fault
Recommended fix

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

Source:LUX-E-48230.250LG03-Lithium-Battery-User-Guide.pdf
C10C10Fault
Description

Cell undertemperature.

Recommended fix

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

Source:LUX-X-48050LG01-low-voltage-battery-user-guide.pdf · page 17
C10Cell undertemperature.Critical
Description

A battery cell temperature has dropped below the lower protection limit.

Recommended fix

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

Source:LUX-X-48100LG01-Litium-Battery-User-Guide.pdf · page 17
C10Cell undertemperature.Critical
Description

A battery cell temperature has dropped below the lower protection limit.

Recommended fix

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

Source:358-S010024-03LUX-X-48100LG01-User-manual_compressed.pdf · page 23
C10Cell undertemperature.Fault
Cause

An individual cell temperature fell below the lower protection threshold.

Recommended fix

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

Source:LUX-Y-4828048300LG01-Lithium-Battery-User-Guide.pdf · page 8

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