Alfa Laval AquaFirst
Installation, service and operating instruction
35
9
Alarm menu
Alarm indication: Is volt Free Contacts (VFCs), 2 Amps maxi, each under 230 V.
Press
key to access to Alarm menu. The menu contains four different lists:
•
Alarm Buffer
Lists all events with; date, time and type of event.
•
Points in Manual
List of all points actually in manual mode this list should be empty. When point values are forced for
tests for example, they should be place in automatic mode at the end.
•
Points in Alarm
Lists all events with alarm condition.
•
Critical Alarms
Lists all alarms with critical alarm condition.
Critical alarms are important alarms, like high temp.
•
Non-Critical Alarms
Lists all non-critical alarm condition.
These alarms are more information, like power failure.
For example, in the alarm buffer you can read:
15:52 SAFETY_FCT
15:51 SAFETY_Speed
15:41 SAFETY_Speed
15:40 SAFETY_FCT
Note that the alarms are listed with the latest at the top.
Press a line to see more information about the alarm.
Displayed
Meaning
19-06-2012 15:52 SAFETY_FCT On Auto operation
The safety function has been set to auto mode,
stopping the safety function at 15h52.
19-06-2012 15:51 SAFETY_Speed 100% Auto operation
The safety speed has been set in Auto mode at
100% at 15h51.
19-06-2012 15:41 SAFETY_Speed 75% Manual operation The speed pump has been set manually to 75%
at 15h41.
19-06-2012 15:40 SAFETY_FCT On Manual Operation
The safety function has been activated manually
the 19th of June 2012 at 15h40.
