Lighted when the bottom display shows the RTC
Lighted during the programming parameters if it is time based
Lighted in function menu when the display shows the defrost delay
Water pump: lighted if at least one pump is activated
Condenser fan: lighted if at least one fan is active
Lighted if Dynamic set point or Energy saving are active
Lighted during menu navigation
Lighted if auxiliary ouput is active
Lighted when the controller is ON
Lighted when the display shows probes values of circuit 1 or circuit 2
Lighted when the defrost is activated
Blinking during the counting of the interval between defrost