11
Subject to change without prior notice
EN
8. Operating mode – Radio activation
This section describes the radio communication management implemented.
For more details see the separated WMBUS or LoRaWAN specification document.
The WMBUS or LoRaWAN radio will activate after the passage of ±5 litres.
Pre-configured radio parameters (WMBus): AMR, 200s , everyday from 0 to 24h, encryption disabled, no
historical data, standard package (standard data (heating energy, heating volume, errors, battery value
as a percentage).
RADIO INDICATOR ON DISPLAY
During the JOIN to the network procedure, if the LoRaWAN transmission has been activated, the radio
symbol will flash quickly on the display (at a period of 1 second) until the device reaches the JOINED
state and then remains always active. In the case of a failed JOIN the radio symbol turns off. In the case
of WMBUS mode only after swi/- 5 liters the icon will remain permanently active. In
the case of wired M-BUS mode only after swi/- 5 liters the icon will remain permanently
active.
9. Errors and faults
When one or more anomalies occur, the thermal energy meter will report the recorded error and show
the following icon on the display . If the NFC or IR interface is used, the icon will blink for the duration
of the communication.
The register of all the anomalies present is shown at level 8 of the consultation menu, where the
abbreviation Ern followed by two digits identifies the anomaly.*
Error
Name
Description
03
Qmax Overflow
The error is triggered after the device operates at a flow rate greater
than Q4 for 10 consecutive minutes.
06
Reverse installation
During first installation only, if the absolute counting (forward counter -
reverse counter) is equal to 0 and a reverse flow (>10 Liters) is detected,
the alarm turns on.
08-09-10
Reserved
Inform Customer Service
11
End of battery life
The error is triggered when the remaining battery life is less than 1 year.
Permanent error, the icon is shown on display.
12
Probe failure
Failure, short circuit or tampering on supply or return probe(s).
13-14-15-16
Reserved
Inform Customer Service
17
Wrong Real Time Clock
Is recorded when a sudden reset of date and time is detected.
18
Supply Measurement out
of range
Measurement of the supply probe over the measuring range.
