LED Un: (steady), green for power ON
LED R1: (steady), amber for relay energised
LED R1: (blinking), amber for timing in progress
LED R2: (steady), amber for relay energised
LED R2: (blinking), amber for timing in progress
LED PL: (steady), red for alarm phase failure triggered
LED PS: (blinking), red for alarm phase sequence failure triggered
LED UV: (steady), red for alarm undervoltage failure triggered
LED OV: (blinking), red for alarm overvoltage failure triggered
LED UF: (steady), red for alarm underfrequency failure triggered
LED OF: (blinking), red for alarm overfrequency failure triggered
LED ASYM: (steady), red for alarm asymmentry failure triggered