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8
Troubleshooting
8.1
Process value error
With error messages in line with the NAMUR classification NE 107, process value errors are supple-
mented by symbols and a two-line message (alternating with the process display).
Error message
<<<<<
>>>>>
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8.2
Error messages in line with NAMUR
Error messages in line with NAMUR classification NE 107 are displayed by symbols and a two-line mes-
sage (alternating with the process display).
Symbol
Error message
Configuration faulty
Calibration data faulty
Device not calibrated
Humidity/temperature
invalid
CO
invalid
2
Possible cause
The measuring range was undershot.
The measuring range was exceeded.
No valid input value
Incorrect mathematical value
Designation
Error/failure
Possible cause
The checksum of the configuration data is
faulty (CRC).
The checksum of the calibration data is
faulty (CRC).
The calibration flag has not been set.
There is no calibration data.
The humidity and temperature sensor is
faulty.
The communication to the sensor is im-
paired.
The CO
sensor is faulty.
2
The communication to the sensor is im-
paired.
8 Troubleshooting
Remedy
Operate the device within the
device specification.
Remedy
Transfer the configuration data
to the device again.
Contact the manufacturer.
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