40 OM Centrif Micro ΙΙ-5
ACTIVE ALARM Screen
Figure 25, Active Alarms
The Active Alarm screen is accessible when an active alarm exists on the unit by pressing the red
alarm signal on any screen. If no alarm is active, it can be accessed from the SERVICE screen by
pressing the blue square where the red alarm signal would be. This allows repeating the alarm
clear command if desired.
Alarms are arranged in order of occurrence, with the most recent on top. Once the abnormal
condition is corrected, pressing the "CLEAR" key will clear the alarm.
The current active alarms (there may be more than one) are displayed. Note that the alarms are
color-coded red for FAULT (equipment protection control) that causes a rapid compressor
shutdown, yellow for PROBLEM (limit alarm) that will inhibit loading, or load or unload the
compressor, and blue for WARNING which is information only and takes no action.
The date/time and cause of the alarm are displayed.
After eliminating the cause of the alarm, clear the alarm by pressing the CLEAR button. This will
clear the alarm from the register and allow the unit to restart after going through the start sequence.
The alarm notice will be deleted from the screen.
However, if the cause of the alarm is not remedied, the alarm is still active and the alarm message
will remain on screen. The unit will not begin its starting sequence.
Always remedy the cause of an alarm before attempted to clear it.
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