Liebert Autochangeover Controllers AC4 用户手册

The Active Alarm screen displays all alarms that are occurring, up to a 

maximum of 40.
A Current Alarm screen appears automatically whenever an alarm 

occurs—except during setup. This screen can display only the two most 

recent active alarms. To view any other active alarms, use the View 

Active Alarms feature.
You may view active alarms at any time by using the following steps:

• From the Main Menu, use the arrows

↑↓

 to

 

choose View Status, as 

shown at right, and then press Enter

↵

.

• From the View Status Menu, use the arrows

↑↓

 to

 

choose View 

Active Alarms and press Enter

↵

.

The Active Alarms screen displays up to 40 records; it shows any active 

alarm and any Latched alarm that has not been cleared. Examples of 

alarms include inputs in alarm status and failure of a standby device. When any alarms are present, 

the Active Alarms screen shows descriptive details for each alarm:

• the source of the alarm (for example, 

DEVICE_1

)

• the status of an input (

CONTACT CLOSED

)

If there are no active alarms, the screen displays the message:

There may be up to 40 records of alarm data.

• To view additional records, use the arrows

↑↓

.

• To return to the previous screen, press the ESC key.

To clear all active alarms, see 7.10 - Clear Alarms & Logs. Alarm records are stored in the Alarm 

Log.

SYSTEM AND CONTROL

↑↓

=NEXT

↵

=SELECT

VIEW ALARM LOG
VIEW EVENT LOG
VIEW INPUT STATUS

VIEW OUTPUT STATUS

> ACTIVE ALARM 01/40
DEVICE_1 ALARM
CONTACT CLOSED