Operating Manual V8.2/03.2017
Non Invasive Road Sensor
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany
37
16 Fault Description
Fault Description
Cause - Remedy
Device does not allow polling or does
not respond
-
Check supply voltage
-
Check interface connection
-
Incorrect device ID
check ID; devices are
delivered with ID 1.
Device delivers implausible values
-
Check for compliance with the sensor
installation instructions
-
Adaptation not suitable for the installation
location
repeat the adaptation using the UMB
Config Tool
Device transmits error value 24h (36d) A channel was requested that is not available on
this device.
Device transmits error value 28h (40d) Device is in initialization phase after start-up
wait until first measurement is complete.
Device transmits error value 50h (80d) Device is being operated above the specified
measuring range.
Device transmits error value 51h (81d) Device is being operated below the specified
measuring range.
Device transmits error value 55h (85d) The device is unable to execute a valid
measurement due to the ambient conditions.
This may be due to the following reasons:
-
in the measurement field stands a vehicle for a
certain time e.g. traffic jam
Device transmits an error value not
listed here
There may be several reasons for this behaviour
contact the manufacturer’s technical support
service.
