Eaton POWERWARE 9315 Instruction Manual download pdf (Page 75)

10−1

EATON Powerware

9315 UPS (200–300 kVA) Operation Manual S 164201036 Rev G www.powerware.com

Chapter 10 Responding to System Events

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 change from Normal mode. System events can be

indicated by horns, lights on the UPS, or both.

Select Active from the Events menu on the LCD screen to look at the Active System Events

screen. This screen shows any currently active alarms, notices, or commands.

10.1 System Event Horns

The system event horn beeps according to the type of event it is signifying:

A When the UPS detects an alarm that requires your attention, the horn beeps at

½-second intervals.

A When a notice occurs, the horn beeps at 2-second intervals.

10.2 System Event Lights

The status indicators on the UPS Monitor Panel work in conjunction with the 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 alarms or

events. When an alarm occurs, you should first 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 5−4.)

10.3 System Event Messages

When a system event occurs, a message is added to the Event History Log. A message may

also appear on the Monitor Panel of the UPS. The Event History Log contains all system

event messages, whether or not they were displayed on the Monitor Panel.

INVERTER MESSAGES − ALARMS INVERTER MESSAGES − NOTICES

Inverter DC Over Voltage

Clear Inverter DC Over Voltage

Bypass AC Over Voltage

Clear Bypass AC Over Voltage

Inverter AC Over Voltage

Clear Inverter AC Over Voltage

Bypass AC Under Voltage

Clear Bypass AC Under Voltage

Inverter AC Under Voltage

Clear Inverter AC Under Voltage

Bypass Over Frequency

Clear Bypass Over Frequency

Inverter Over Frequency

Clear Inverter Over Frequency

Bypass Under Frequency

Clear Bypass Under Frequency

Inverter Under Frequency

Clear Inverter Under Frequency

Battery DC Under Voltage

Clear Battery DC Under Voltage

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