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Troubleshooting
Your device will automatically appear
in the Homematic IP app.
• To confirm, please enter the last
four digits of the device number
(SGTIN) in your app or scan the
QR code of your device. The de-
vice number can be found on the
sticker supplied or attached to the
device.
• Wait until pairing is complete.
• If pairing was successful, the LED
lights up green. The device is now
ready for use.
• If the LED lights up red, please try
again.
• Select the desired solution for your
device.
• In the app, give the device a name
and allocate it to a room.
8 Troubleshooting
8.1
Command not confirmed
If at least one receiver does not con-
firm a command, the device LED (A)
lights up red at the end of the failed
transmission process. The reason for
the failed transmission may be radio in-
terference
(see „11 General information
about radio operation" on page
This may be caused by the following:
• Receiver cannot be reached.
• Receiver is unable to execute the
command (load failure, mechanical
blockage, etc.).
• Receiver is faulty.
8.2
The duty cycle is a legally regulated
limit of the transmission time of de-
vices in the 868 MHz range. The aim
of this regulation is to safeguard the
operation of all devices working in the
868 MHz range.
In the 868 MHz frequency range we
use, the maximum transmission time of
any device is 1% of an hour (i.e. 36 sec-
onds in an hour). Devices must cease
transmission when they reach the 1%
limit until this time restriction comes to
an end. Homematic IP devices are de-
signed and produced with 100% con-
formity to this regulation.
During normal operation, the duty
cycle is not usually reached. However,
repeated and radio-intensive pairing
processes mean that it may be reached
in isolated instances during start-up
or initial installation of a system. If the
duty cycle is exceeded, this is indicated
by three slow red flashes of the de-
vice LED, and may manifest itself in the
device temporarily working incorrect-
ly. The device starts working correctly
again after a short period (max. 1 hour).
30).
Duty cycle
28
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