operation manual

40
Troubleshooting
• Long button press: The motor is controlled so
that you can adjust the slat position of the blind.
7 Troubleshooting
7.1 Command not confirmed
If at least one receiver does not confirm a command, the
device LED lights up red at the end of the failed transmis-
sion process. The failed transmission may be caused by
radio interference (see „8 Maintenance and cleaning“ on
page 43). 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.
7.2 Duty cycle
The duty cycle is a legally regulated limit of the transmis-
sion time of devices 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
seconds 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 designed
and produced with 100% conformity to this regulation.
During normal operation, the duty cycle is not usually