Viewing Historical Alarm Messages - Ametek 241CE II User Manual

Viewing Historical Alarm Messages

Alarms that have been reset can be reviewed from the History Buffers in the
Stat\History menu. SCode alarms which have been reset are stored in the ^SC
History Buffer. XSCode alarms which have been reset are stored in the ^XSC
History Buffer.
Each History Buffer contains a maximum of nine (9) alarms. The codes dis-
played represent past alarm conditions, with ^SC1/^XSC1 being the most
recent and ^SC9/^XSC9 being the oldest. If more than nine SCodes alarm ac-
cumulate in a buffer, the oldest code is overwritten.
If two or more alarms are detected simultaneously, the displayed alarm SCode
is a sum of the primary codes. To resolve a non-primary SCode into its primary
codes, subtract the largest primary code from the displayed number. Continue
to subtract the largest primary code from the remainder until a primary code is
left.
Example:
The displayed SCode is "20". The alarms detected are:
To view the history of alarm messages (SCode or XSCode) detected by the
diagnostics function:
1. From the RUN menu, press  once to view the Stat\History main menu
2. Press  repeatedly until the ^SC1 History Buffer screen is displayed.
3. To back out of either of these screens, press  if you wish to view other
4-46 | 241CE II Hydrocarbon Dewpoint Analyzer
20 Total sum of all primary SCodes found
w Dirty Cell [Possible-Cell-Contamination]
-16
4 w No HC DP [Hydrocarbon-Dewpoint-Temperature-Not-Found]
screen.
To view the ^XSC1 History Buffer screen, press  again.
To view the primary codes from either screen, press the '+' or '–' buttons.
Stat\History sub-menus, or press  to go to another main menu.
PN 903-8797, Rev A