97
Maintenance and Troubleshooting
14.5 List of events and alarms
Table 4 List of Events
Event type Name Description
Bit mask
value (32
bits long)
Information
Measure Normal measurement mode. 0x00000000
Filter enabled The gas measurements are filtered. 0x00000001
Out of range protection disabled The out of range protection has been disabled. 0x00800000
User offset activated The user measurement offset is activated. 0x01000000
Warning
Alarm snooze The alarm snooze is ON. 0x00000004
Calibration Channel in calibration. 0x00000008
Alarm low low Gas concentration below the Alarm LowLow limit. 0x00000010
Alarm low Gas concentration is below the Alarm Low limit. 0x00000020
Alarm high Gas concentration is above the Alarm High limit. 0x00000040
Alarm high high Gas concentration is above Alarm HighHigh limit. 0x00000080
Calibration required A calibration of the sensor is required. 0x00000100
Service required The sensor requires a service. 0x00000200
Hold The measurement is frozen. 0x00400000
Out of range
Measurement is greater than the specified range of the
sensor (5000 ppb for low range sensors or 40 ppm for high
range sensors).
0x02000000
Low level zero calibration gas The level of zero calibration gas is very low. 0x04000000
Alarm
Channel disabled The channel has been disabled. 0x00000400
Channel out
The measurement board has been disconnected (or does
not answer).
0x00000800
Sensor out The sensor has been disconnected. 0x00001000
External pressure sensor out The external pressure sensor has been disconnected 0x00002000
Thermal cut-off The thermal cut-off value has been exceeded 0x00004000
Profibus-DP
The PROFIBUS-DP module has not received any
measurements from the instrument for 30 secs.
0x00080000
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