46
Error codes and LED feedback
Never recharge standard batteries. Do not throw the
batteries into a fire. Do not expose batteries to exces
-
sive heat. Do not short-circuit batteries. Doing so will
present a risk of explosion.
Used batteries should not be disposed of with
regular domestic waste! Instead, take them to
your local battery disposal point.
7.4 Duty cycle limit reached
The duty cycle is a legally regulated limit of the transmission
time of devices in the 868 MHz range. The aim of this regula-
tion is to safeguard the operation of all devices working in the
868 MHz range.
In the 868 MHz frequency range we use, the maximum trans-
mission 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 devices are designed and produced with 100%
conformity to this regulation.
During normal operation, the duty cycle is not usually
reached. However, repeated and radio-intensive teach-in pro-
cesses mean that it may be reached in isolated instances dur-
ing start-up or initial installation of a system. If the duty cycle
is exceeded, this is indicated by one long and one short red
flash of the signal lamp, and may manifest itself in the device
temporarily working incorrectly. The device starts working cor-
rectly again after a short period (max. 1 hour).
