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Troubleshooting
8 Troubleshooting
8.1 Weak battery
Provided that the voltage value permits it, the key ring re-
mote control 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 battery voltage is too weak, this will be displayed
in the Homematic IP app and directly on the device via
the device LED
(A)
(see sec. „8.5 Error codes and flash-
ing sequences“ on page 36). In this case, replace the
empty battery by a new one (see sec. „7 Changing battery“
on page 32).
8.2 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 trans-
mission process (depending on the reason, the LED can
light up with a delay of up to 10 s). The failed transmission
may be caused by radio interference (see sec. „11 General
information about radio operation“ on page 40). This
may be caused by the following:
Receiver cannot be reached.
Receiver is unable to execute the command (load
failure, mechanical blockade, etc.).
Receiver is defective.
34


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