Telect has predefined the Minor, Major, and Critical alarms on the IOE enclosure using the following default configuration:
 
Basic alarm set up title (# in alarm table):
0 – Low Float … Critical
1 – Low Load … Major 
2 – High Float … Minor 
3 – High Load … Major 
4 -  Rectifier Fail … Major 
5 – Multiple Rectifier Fail … Critical 
6 – Rectifier Comms Lost … Major 
7 – Multiple Rectifier Comms Lost … Major 
8 – Partial AC Fail … Major 
9 – AC Fail … Critical 
10 – System Overload … Major 
11 – Load Fuse Fail / Circuit breaker trip … Major 
12 – Battery Fuse / Circuit Breaker Fail … Major 
13 – Battery Test Fail … Minor 
16 – LVD1 Disconnected … Major 
17 – LVD1 Fail … Critical 
19 - LVD2 Disconnected … Major 
20 - LVD2 Failed … Critical 
22 – Battery Temp Low … Major 
23 – Battery Temp High … Major 
29 – In Discharge … Critical 
30 – Battery Current Limit … Major 
33 – Rectifier Over Temp … Major 

The Minor alarm is tied to DO7
The Major alarm is tied to DO8
The Critical alarm is tied to DO9

The category each alarm generates can be configured within the controller.  Once the alarm type is generated, you can view which alarm triggered the Minor, Major, or Critical status from the controller's LCD screen or connecting to the controller via DCTools.