Alarms and Events

990-1403

User Guide APC BC300 Series 40kW 208/450/480V UPS 135.0 Alarms and Events

Alarms are indicated by a red light (above the left-hand corner of the display) and a 30-second
acoustic signal. An alarm is registered in the alarm log as long as it is present.
All alarms are also registered in an event logger and remain there in a stack with room for 250
events. The events are stored in order of occurance, with the latest event appearing first.

5.1 Silencing the Audible Alarm

To silence the audible alarm,

press
The audible alarm will automatically silence itself after 30 seconds.

5.2 Displaying the Alarm Log

To find out why the UPS sounds an alarm,

display the alarm log by following steps 1-4
below.
The log shows all alarms currently active. Note each alarm!
1. Press to access the alarm log.
2. Press or to move through the alarm log.
3. If you press after displaying the last active alarm, the display will read:
“No further alarm.”
4. To exit the alarm log press .

NOTICE!

Silencing the audible alarm does not correct the condition that caused the alarm.