Apc SILCON 60-80KW 208/480V UPS User Manual download pdf (Page 24)

24 User Guide APC Silcon 60-80kW 208V/480V UPS

990-4035

Alarms and Events

5.0 Alarms and Events

Alarms are indicated by the red lamp (above the left hand corner of the keyboard) and a 30

seconds acoustic signal. An alarm is registered in the alarm stack as long as it is present, and

if more in the same order as they arise.

Certain alarms, such as battery alarms, need resetting. See section 4.0 Parameter Settings.

All alarms are also registered in an event logger and remains there in a stack with room for

250 events. The events are stored in the same order as they arose - showing the latest first.

Besides the alarms the following operational modes are also stored in the event logger.

Mode Comments

MPU is reset UPS has been completely switched off

Stand-by UPS has been in stand-by mode by parallel system

Normal operation UPS has been in normal operation

Battery operation UPS has been in battery operation

Bypass operation UPS has been in bypass operation

System off UPS has been off

5.1 Displaying the Alarm Stack

5.2 Displaying the Event Stack

Action Description

1. Press Access to the alarm stack.

2. Press or Scroll up or down through the alarm stack

messages.

Last message is "No (further) alarm".

3. Press Exits the alarm stack. If not operated the system

will exit the alarm stack automatically after 30

seconds.

Action Description

1. Press and Press the two keys simultaneously to get access

to the events stack

2. Press or Scroll up or down through the event stack

(last message is "No (further) event").

3. Press Displays the time where the event happened.

4. Press Exits the event stack. If not operated the system

will exit the event stack automatically after 30

seconds.

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Apc SILCON 60-80KW 208/480V UPS User Manual Page 24