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
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.
4.SUM ALM. The Module Summary Alarm has been activated by one of the alarm messages listed in two
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
0V | 0V | 0V |
| 0 Hz |
|
UPS INPUT PWR
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
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