3.1.13Alarm and Status Messages

Module Status Messages

The module status messages indicate how many UPS modules are included in the system and the present status of each module.

The following status messages may appear in the module status area.

1.MOD N. A module status message line is displayed for each UPS module in the system. Up to six (6) modules may be included in a multi-module system. The N in the message will indicate a specific UPS module number, 1 through 6.

2.ON LINE. The UPS module output circuit breaker is closed and power from the module is available to the SCC. The module output is sharing the critical load if the UPS Output Breaker is closed.

3.OFF-LINE.The UPS module output circuit breaker is open. More specific alarm messages are displayed at the UPS module.

4.SUM ALM. The Module Summary Alarm has been activated by one of the alarm messages listed in two tablesSCC and Module Remote Monitor Indications and Other Alarms That Activate Summary Alarmsin 3.1.5 - System Configuration Screens. The specific alarm message is displayed at the UPS module.

5.COM FAIL. The UPS module is not communicating with the SCC. This could mean loss of power to the UPS module controls, a disconnected cable, or a control logic failure (detected by watchdog timer. Call Liebert Global Services if you require assistance. To resume communication after control power is restored, sequence display to Master Menu.

Figure 46 SCC Status and Alarm Message Areas

BYPASS INPUT

A-B

B-C C-A

0V

0V

0V

 

0 Hz

 

UPS INPUT PWR A-B B-C C-A

0V 0V 0V

MOD 1 ON LINE SUM ALM MOD 2 ON LINE SUM ALM MOD 3 ON LINE SUM ALM

UPS RATINGS

SCCT 1600

OUTPUT VOLTAGE

A-B B-C C-A

480V 480V 480V

60.0 Hz

Not OK to Transfer

Static Switch Connected

LOAD

627 KVA / 502 KW A B C 755A 755A 755A

3 OF 3 MODULES

CONNECTED

REDUNDANT Time To Overload Transfer: XXXX SEC

Byp Not Avail

Static Sw Unable

Module Sum Alm

MODULE STATUS

SYSTEM STATUS

LOAD BLOCK

ALARM

MESSAGES

MESSAGES

MESSAGES

MESSAGES

Operation 67

DISCONTINUED

PRODUCT

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Liebert Series 600T manual Alarm and Status Messages Module Status Messages, Modules Connected