Troubleshooting; Weak Batteries; Command Not Confirmed - eQ-3 homematic IP HmIP-eTRV-2 Montage- Und Bedienungsanleitung

Used batteries should not be disposed of with
regular domestic waste! Instead, take them to
your local battery disposal point.

8 Troubleshooting

8.1

Weak batteries

Provided that the voltage value permits it, the radiator
thermostat will remain ready for operation also if the bat-
tery voltage is low. Depending on the particular load, it
may be possible to send transmissions again repeatedly,
once the batteries have been allowed a brief recovery
period.
If the voltage drops too far during transmission, the emp-
ty battery symbol (
will be displayed on the device (see „8.4 Error codes and
flashing sequences" on page 55). In this case, replace
the empty batteries by two new batteries (see „7 Replac-
ing batteries" on page 51).
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. The failed transmission may be caused
by radio interference (see „11 General information about
radio operation" on page 58). This may be caused be
the following:
• Receiver cannot be reached.
) and the corresponding error code
Troubleshooting
53