20
User Guide DP300E
7OA0001 GB rev.09
Warning:
The UPS must at least be in
operation for min. 16 hours
in a 3 month period to
ensure that the battery is
sufficiently charged. If not
the battery might be dam-
aged.
Preventive maintenance
Actions
Display shows
Description
1. Press
2. Press
or
until
3. Press
4. Press
5. Wait about 1 sec.
6. Wait until backup
times expires and
a short alarm
sounds. (No alarm
in battery monitor
test if battery is OK)
7. Press
8. Press
If the UPS has to be taken out of operation for a period of time it is recommended
to disconnect the battery in order to prevent it from being totally discharged. The
information how to do this can be found in the installation guide.
Battery capacity
test : xxx
Starts the battery test.
(To interrupt a running test – perform
point 1-2 and then press key
and
)
“xxx” is actual obtained back-up time
in minutes. (Battery capacity test
only).
Exits the battery capacity test.
If not operated the system will auto-
matically exit this program after 30
seconds.
“xxx” is back-up time from last test –
if no previous test has been per-
formed or if the test has been aborted
the display will show “???”!
A battery monitor test can be per-
formed in the same way by selecting
“Battery monitor test” in the display.
However, this test will not start,
unless the battery is fully charged.
The next step starts up the test! To
abort press
.
8.4 Battery capacity test
Battery capacity
test : ON
Data stored
Battery operation
time : xxx min.
Note:
Expect 16 hours recharge
time after a battery capacity
test before full backup time
is available.
Normal operation
load power xx%
Battery capacity
test : xxx
Normal operation
load power xx%
