LED
Colour/
interval
All LEDs of the heating zones assigned
to a room control unit flash simultane-
ously:
– Flashing 2x every 2 sec for 0.25 s,
alternately inverted
Radio connection to a room control
unit [} 22]
– Flashing 1x every 2 sec for 0.25 s,
alternately inverted
Radio connection to a room control
unit [} 23]
LED per heating zone flashes:
4 Hz
LEDs light up consecutively, progress
bar from left to right / the Power LED
flashes
8 Cleaning
Clean the device with a soft, clean, dry, and lint-free cloth.
9 Change the fuse
WARNING
Electrical voltage! Danger to life!
a) Before disassembly and opening: Switch off the mains voltage.
b) Secure against restarting.
Description
Remedy
Radio connection to
room control unit weak
or interrupted
Low battery capacity of a
room control unit
Frost protection function
Protection functions [} 22]
for heating zone X active
Update active
-
– 6-channel base sta-
tion: LED HZ 1...6
– 10-channel base sta-
tion: LED HZ 3...8
– Perform a radio test: Press the push/
rotary control on the room control
unit to establish communication with
the base station. The coupled heating
zone(s) terminate(s) the emergency
operation. Change to regular opera-
tion.
– If necessary, change the position of
the room control unit/replace the
room control unit
– Check radio connection
– Check the battery status of the room
control units
– Change the position of the room con-
trol unit.
– Check the battery status of the room
control unit
Cleaning
DEU
ENG
FRA
NDL
ITA
ESP
DAN
NOR
FIN
SWE
POL
RUS
31