Powerware Plus 80 - System Event Horns; System Event Lights

When the UPS system is running in Normal mode, it continually
monitors itself and the incoming utility power. In Battery or Bypass modes,
the UPS may issue alarms to let you know exactly what event caused the swttch from
Normal mode. System events can be indicated by horns, lights on the UPS, or both.
Select Aotfve from the Events menu on the LCD screen to look at the Acttve System
Events screen. This screen shows any currentty active alarms, notices, or commands.
System Event Horns
The system event horn’s beep depends on the type of event k is signifying:
l When the UPS detects an alarm that requires your attention, the horn beeps
at V&second intervals.
l When a notice occurs, the horn beeps at Z-second intervats.
l If the battery contactor is open and the Bypass is unavatlabte. the horn beeps
every 4 seconds.
System Event Lights
The status indicators on the UPS monitoring panel work in conjunction with me event horn
to let you know when the UPS is operating in any mode other than Normal. Only the
Normal indicator is visible during normal UPS operation. The others light to indicate
atans or events When an atarm occur, you should Rrat check these indicators to see
what type of event has taken place. (For descriptions of the status indicators. see
“Reading the Status Indicators’ on page 22.)
Powerware Plus 80 UPS Operator’s Manual