Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 164)

<3. Basic Operation and Startup>
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IM 11B08A01-01E
3.1.7 How to Check the Alarm
There are three levels of alarms for the GC8000. These three levels are explained below. For
details, refer to Section 7.1 "Alarm Message".
 Level 1:
An alarm if a system or hardware failure occurs. Once the alarm is generated, the alarm status
will be held until the alarm is reset.If a level-1 alarm is generated during the Run mode, the
operation mode changes to Stop after an ongoing measurement has been completed.
 Level 2:
An alarm if a failure in the measurement conditions occurs. Once the alarm is generated, the
alarm status will be held until the alarm is reset. The analysis is ongoing.
 Component:
An alarm if a measurement result such as concentration and retention time becomes out of the
specifi ed range. Once the alarm is generated, the alarm status will be held until the alarm is
reset. The analysis is ongoing.
 Level 3:
An alarm for signalling a minor error besides level-1 and level-2 alarms or for information. The
alarm status is not be held.
When the ALARM key is pressed, the Alarm Status screen (Figure 1.17) appears.
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Press this icon.
Figure 3.16 Example of Alarm Screen
The alarm screen consists of the following screens:
Alarm status screen
Alarm history screen
Alarm details screen
2nd Edition : May 11, 2012-00
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