13
3 Operation
Alpha Technologies
3.3 Testing the Unit
The self test confirms the unit can transfer into and out of Battery mode while continuing to
provide power to the loads. It takes about one minute to run.
TIP
: Performing scheduled periodic self tests is the best way to determine the battery’s
and the unit’s condition, ensuring reliable backup power.
Procedure:
2
Sec
The unit passes the test and
it returns to the last mode of
operation prior to starting the
self test.
Start
Is
the
On
line (25%)
LED on?
NOT ON
or
NOT FLASHING
ON
or
FLASHING
YES
Do not proceed.
Wait
until line power is
qualified before starting
the self test.
NO
TIP
: The internal fan
may turn
ON
or
OFF
during the self test.
This is temperature
dependant.
Press down the
Test
Button for at least 2
seconds.
The test runs for
about 1 minute.
The unit transfers
from battery to line
mode.
Is there
any abnormal behavior
or is the
110% LED
on
or flashing?
Go To Section 3.4,
“Troubleshooting
with the Control
Panel”