Appendix 
 
16 
Function  Press button  Status LED  Zone LED  Exit mode 
Send test signal 
Keep   and 
Mode pressed 
for 4 seconds 
 LED flashes green 
Light up red when the test signal 
is sent 
•  Automatically after 
10 min 
or 
•  Press other button 
Boiler mode 
Mode > 6 sec 
To change press 
 
 and   LEDs flash 
red alternatively = 
Asynchronous mode 
 and   LEDs flash 
red simultaneously = 
Synchronous mode 
 
•  Automatically after 60 s 
or 
•  Press Mode button 
Receive test signal   
 LED flashes green 
Signal strength of the assigned 
device is indicated by flashing of 
the respective green zone LED: 
1x = Signal sufficient 
5x = Signal strong 
10 s after last received test 
signal 
Communication error   
 LED lights up red 
Flashing red = Room actual 
value error 
Flashing green = Time program 
error 
Flashing yellow = Room actual 
value/time program error 
When error has been elimi-
nated 
Antenna error   
 LED flashes red 
 
When error has been elimi-
nated 
Reset all settings 
Keep   and 
Mode pressed for 
10 seconds 
 LED flashes yellow
 Release button