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Verfügbare Sprachen
Troubleshooting
7
Troubleshooting
7.1
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 cor-
responding error code will be displayed on the device
(see „7.4 Error codes and flashing sequences" on page
54). In this case, replace the empty batteries by two
new batteries (see „6 Replacing batteries" on page 50).
7.2
Command not confirmed
If at least one receiver does not confirm a command, the
device LED (C) lights up red at the end of the failed trans-
mission process. The failed transmission may be caused
by radio interference (see „10 General information about
radio operation" on page 57). The failed transmission
may also be caused by the following:
•
Receiver cannot be reached.
•
Receiver is unable to execute the command (load
failure, mechanical blockade, etc.).
•
Receiver is defective.
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