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RCD2 ROOM UNIT - www.regulus.eu
Meaning of the symbols on the display
Warning
If an error occurs in the heating controller, the room unit will beep twice and the
symbol will flash. When the error stops, the symbol remains lit until the error is
read in the error list.
Activation of the safety function of the heating controller.
The room unit beeps once long and the symbol starts flashing. When the error
stops, the symbol lights up until the error is read in the error list.
Low temperature in the thermal store.
The room unit beeps twice briefly and the symbol starts flashing. When the error
stops, the symbol lights up until the error is read in the error list.
Low temperature in the boiler.
The room unit beeps twice briefly and the symbol starts flashing. If the tempe-
rature drops below the minimum temperature, the unit beeps 3 times briefly and
the symbol lights up.
Warning of low pellet supply.
The room unit beeps 3 times briefly and the symbol starts flashing.
Keyboard lock.
The alarm sound is repeated at 20:00 if alarms or warnings are still present. (See settings
P1.8 and P1.9.)
