51
Errors and information indicated by the device LED
for operating and configuration tasks. Give the device
a name and assign it to a room. You can also make
individual parameter settings.
Now you can use the „WebUI“ user interface to control
your device, configure it, connect it directly to other de
-
vices, or use it in central control unit programs. Please
refer to the HomeMatic WebUI Manual for more details
(you can find this in the „Downloads“ area of the web
-
site www.homematic.com).
6 Errors and information indica-
ted by the device LED
6.1 Weak battery
Provided that the voltage value permits it, the door/
window sensor will remain ready for operation also if
the battery voltage is low. Depending on the particular
load, it may be possible to send transmissions again
repeatedly, once the battery has been allowed a brief
recovery period.
If the voltage drops too far during transmission, the cor-
responding error code will be displayed once more (see
„
5.3.2 Response once the battery has been inserted
“
on page 45).
If the battery is so weak that a reset is triggered several
times in succession without any signals being success-
