Alarm Manager , Alarms disappearing from list automatically for few Applications/Controllers
New Applications are imported into runnig system at Site for AC800M based application unsing Standard Libraries. In few cases, alarms are getting into alarm & Event list and automatically disappears after few minutes.
However, for the existing Applications and Controllers NO such obervation recorded.
What could be the issues with settings?
This could happen in following cases :
1) IF alarm is configured as "Acknowledge not required" then in case of return to normal state it automatcially goes from alarm list.
2) If there is burst of AE events under a specific category then alarms get remove on FIFO basis. By default the value for the category will be 10,000.