Operator Control and Display Panel
Liebert
®
APM
™
92
9.10 UPS History Log
The Liebert APM displays status changes as they occur and stores that data in the
history log
, as
shown in
.
•
History Log:
When a record moves to the history log, the time the status changed is recorded.
The history log can hold up to 512 records. History log records may be viewed by accessing the
Records menu.
Figure 76 History log records
See
for a complete list of
status messages, along with a description and any recommended
actions.
9.11 Types of LCD Screens
This section provides a quick guide to the main types of LCD screens.
9.11.1 Opening Display
As the UPS begins powering up, the opening display appears, as shown in
.
F1
F2
F3
F4
HELP
Single
APM 090 kVA
0 2: 17 : 47
1
Ma in s v o lt. a b n o r ma l
2 0 1 0-0 6 - 0 7
2 0 1 0-0 6 - 0 7
3
Ma in s v o lt. a b n o r ma l
2 0 1 0-0 6 - 0 7
2 0 1 0-0 6 - 0 7
6
Ma in s v o lt. a b n o r ma l
2 0 1 0-0 6 - 0 7
2 0 1 0-0 6 - 0 7
Records
0 9 :4 8:1 0
0 9 :4 8:1 0
0 9 :4 8:1 0
0 9 :4 8:1 0
0 9 :4 8:1 0
0 9 :4 8:1 0
History log
(records menu)