APC BC300 Power Supply User Manual


 
Alarms and Events
990-1403
User Guide APC BC300 Series 40kW 208/450/480V UPS 23
5.4 Displaying the Events Log
The events log is a list of the last 250 alarms and operational modes. This log includes the time
and date of each event. Most entries in this log will be alarms (see the “Alarms and
Events” section in this User Guide for a description of alarms). Other entries describe
operating modes (see the “Operation Modes” section in this User Guide for details); the table
below lists and describes these Event Log messages.
1. To access the events log, press both and at the same time.
2. Use the and keys to scroll through the log.
3. To display the time and date the alarm or other event occurred, press .
Sample display: 01.12.16 (Year, month, date)
10.22.13 UTC (Hour, minute, second. UTC = Universal Time Coordination.)
4. If you press after displaying the last event in the log, the display will show “No further
event.”
5. To exit the events log, press .
Table 6: Log Messages
Mode Description
Main processor unit (MPU) is reset The UPS was completely switched off.
Stand-by The UPS was in stand-by mode.
Normal operation The UPS was in normal operation.
Bypass operation The UPS was in bypass operation.
Battery operation The UPS was in battery operation.
Economy operation The UPS was programmed to operate in economy
mode.