Grasslin thermio essential H rf Bedienungsanleitung Seite 68

The colours of the LEDs indicate the status of the actuator (receiver).
"RecFM/2"
LED
ON/OFF button and manual
switch (Fig. 2/2)
ON/OFF button and manual
switch (Fig. 2/2)
System ON/OFF LED (Fig. 2/3)
Radio communication LED
(Fig. 2/4)
Radio communication LED
(Fig. 2/4)
68
Colours Status of receiver (receiver)
Lit up green Device is on.
Not lit up Device is off.
Lit up red Consumer is on.
Flashing blue Receiver is connected to the transmitter.
Lit up blue Connection to transmitter failed.