View Status Options

5.2View Alarm Log

The Alarm Log contains up to 99 records of alarms that have occurred. Records are added to this log as alarms occur.

To view the Alarm Log:

Main Menu

>VIEW STATUS SYSTEM AND CONTROL

↑↓ =NEXT

=SELECT

• From the Main Menu, use the arrows ↑↓

to choose View Status,

 

 

 

 

then press Enter ↵.

View Status Menu

• From the View Status Menu, use the arrows ↑↓ to choose View Alarm Log, then press Enter .

5.2.1Alarm Log

The Alarm Log screen displays up to 99 records showing alarm data, including inputs and outputs in alarm status and failure of a standby device. If the log contains any alarm records, the Alarm Log screen dis- plays details for each alarm:

the source of the alarm (for example, DEVICE_1)

the status of an input or output (CONTACT CLOSED) or a brief descrip- tion of the problem (STNDBY DEVICE FAILED)

the date and time the alarm occurred

Table 8 shows conditions that the alarm log records for digital inputs and in the panel itself.

Table 8

Alarm log conditions

SOURCE

 

Digital Input

Panel

CONDITIONS

ALARM

LOSS OF POWER

RECORDED

NORMAL

ALARM SILENCED

 

 

 

ALARMS CLEARED

 

 

 

STNDBY DEVICE FAILED

 

 

 

NO STANDBY AVAILABLE

 

 

 

NO RESTART AVAILABLE

If there are no alarms in the log, the screen displays the message:

VIEW ACTIVE ALARMS

> VIEW

ALARM LOG

VIEW

EVENT

LOG

VIEW

INPUT

STATUS

VIEW

OUTPUT STATUS

Alarm Log

> ALARM RECORD 99/99

DEVICE_1 ALARM

CONTACT CLOSED

30-JUN-04

09:29:10

NO STANDBY AVAILABLE

29-JUN-04

10:45:00

STNDBY DEVICE FAILED

29-JUN-04

10:39:00

NO RESTART AVAILABLE

28-JUN-04

06:54:09

NO ALARMS

Viewing Additional Screens

There may be up to 99 records of alarm data.

To view additional records, use the arrows ↑↓ .

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

5.2.2Backing Up the Alarm Log (Service Terminal Interface only)

The alarm log is stored as a file in the AC4; it can hold no more than 99 records. When the log is full, the oldest records are deleted from the end of the file as new alarm records are added at the begin- ning.

You may back up the alarm log file to a remote computer using the Service Terminal Interface, as described in 6.2 - Back Up Log Files (Service Terminal Interface only).

To delete all records in the alarm log, see 7.10 - Clear Alarms & Logs.

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Liebert AC4 user manual View Alarm Log, Alarm log conditions

AC4 specifications

The Liebert AC4 is a highly advanced cooling solution designed for critical environments, such as data centers and telecommunications facilities. As data demands rise and IT equipment generates significant heat, an effective cooling system is paramount to maintaining optimal performance and reliability. The Liebert AC4 stands out in this space, offering a blend of efficiency, flexibility, and innovative technology.

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