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Maintenance and Troubleshooting
6.2 Troubleshooting
6.2.1 List of events
The following bit mask tables can be viewed on the diagnostic measurement screen (supervisor
option only) as illustrated in Diagnostic measurement display on page 27. They are also
included in the measurement file (Measurement.txt) an example of which is shown in Figure 7
on page 36.
Common events
Oxygen channel events
The O
2
channel out event can occur under the following circumstances:
• Fluo amp < 0.1 V (seen in Diagnostic measurement display on page 27)
• Ref amp < 0.1 V (seen in Diagnostic measurement display on page 27)
• T°sample ≤ -25°C (seen in Diagnostic measurement display on page 27)
• T°pigtail ≤ -25°C (seen in Service instrument on page 37 - Temperature Checking option)
Bit mask Event
0x00000000 No event
0x00000001 Sample mode started
0x00000002 Sample mode stopped by user
0x00000004 In sample mode, O
2
stop criteria reached
0x00000010 Sample mode stopped by timeout
0x00000020 Auto test failed
0x00000040 Communication with measurement board error
Bit mask Event
0x00000000 No event
0x00000001 O
2
channel out
0x00000002 Calibration in progress
0x00000004 Alarm low
0x00000008 Alarm high
0x00000010 Out of range
0x00000020 Calibration required
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