24
Symbol
Status
Action
External voltage (only by M-Bus)
-
Flow
existent
-
Attention!
Check system /device
for errors
■
Symbol flashing: Data transmission
■
Symbol constantly displayer: optical
interface active
-
-
Emergency operation
Exchange device
Complete symbol permanently displayed:
The meter is connected to LoRa server (join accept)
Wave symbol flashes, vertical bar permanently displayed:
Connection attempt with LoRa server (join request)
Only vertical bar permanently displayed:
Connection attempt with LoRa server failed (join failed)
Note: When the optical interface is activated, the wave symbol shows
its status (see above)
Error codes show faults detected by zelsius® C5-IUF. If more than one error appears, the sum
of the error codes is displayed: for example, error 1005 = error 1000 and error 5.
Code
Error type resp. possible reason
Action
1
Temperature below of measuring range
Check sensors
2
Temperature above of measuring range
Check sensors
3
Short circuit return sensor
Check sensors
4
Interruption return sensor
Check sensors
5
Short circuit supply sensor
Check sensors
6
Interruption supply sensor
Check sensors
7
Battery voltage
Exchange device
8
Hardware error
Exchange device
9
Hardware error
Exchange device
10
Error in the measuring system
Exchange device
20
No water in the measuring tube
Check operating pressure
30
Reverse water flow detected
Check installation position
40
Air inside the medium
Vent system
50
Measured value outside overload range
Check dimensioning
100
Hardware error
Exchange device
800
Wireless interface
Exchange device
1000
Status end of the battery
Exchange device respectively
battery(*)
2000
Status initial verification expired
Exchange device
(*) The validity period for the calibration depends on the country, please observe
the relevant national regulations.
Status display / Error codes
The symbols in the table below show the meter’s operational status. The status
messages only appear in the main display (energy). The temporary display of the
warning triangle can be caused by special operating states and does not always
mean that the device is malfunctioning. However, should the symbol be displayed
over a longer period of time, you should contact the service company!
Summary of Contents for zelsius C5-IUF
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