Critical

FAULT-LED-CTH

Cell temperature high.

2 Devices that report this code
LUX-X-48100LG01Battery↗ view on device
FAULT-LED-CTHCell temperature high.Critical
Description

FAULT mode indicated by RED LED ON with LED1 ON, LED2 OFF, LED3 OFF, LED4 ON: a cell temperature is above safe limit.

Cause

Cell temperature exceeds protection threshold.

Recommended fix

Stop charging/discharging, allow battery to cool; check ambient temperature and ventilation.

Source:LUX-X-48100LG01-Litium-Battery-User-Guide.pdf · page 15
LUX-X-48100LG01-USBattery↗ view on device
FAULT-LED-CTHCell temperature high.Critical
Description

FAULT mode signalled by RED LED ON with LED1 ON, LED2 OFF, LED3 OFF, LED4 ON: a cell temperature is above safe limit.

Cause

Cell temperature exceeds protection threshold.

Recommended fix

Stop charging/discharging, allow battery to cool; check ambient temperature and ventilation.

Source:358-S010024-03LUX-X-48100LG01-User-manual_compressed.pdf · page 21

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