24GBController. Operation and functionUser interfaceLEDSEach LED function is described in the following table.LED MODE FunctionON Compressor enabledFlashing Anti-short cycle delay enabledON An alarm is occurringON Recording activatedON Battery is fully chargedFlashing Battery is beeing chargedFlashing Charging problem or battery failure°C/°F ON Measurement unit°C/°F Flashing Programming phase