Troubleshooting
•
Boost function for Homematic IP Radia-
tor Thermostats * : Press the control wheel
(E)
the boost function for heating up the radia-
tor quickly and briefly by opening the valve.
There will be a pleasant room tempera-
ture right away because of the radiated heat.
*The boost function can only be executed in connection
with a Homematic IP Radiator Thermostat.
8
Troubleshooting
8.1
Command not confirmed
If at least one receiver does not confirm a command, the
device LED(D) lights up red at the end of the failed trans-
mission process. The failed transmission may be caused
by radio interference (see „11 General information about
radio operation" on page 83). This may be caused be
the following:
•
Receiver cannot be reached.
•
Receiver is unable to execute the command (load
failure, mechanical blockade, etc.).
•
Receiver is defective.
78
of the wall thermostat briefly to activate