8
TURNING THE UNIT ON/OFF
ON/OFF SWITCH
Press and release the ON/OFF switch after one beep to turn the unit on and supply power
to the load. The load will be immediately powered and 2 seconds later the UPS will run a
15 second self test before returning the load to the AC line. Press and release the switch
again to turn the UPS off. The UPS will continue to charge the batteries whenever it is
plugged in and AC line is present.
SELF TEST
TEST SWITCH
The self test feature is useful to verify the correct operation of the UPS and the condition of
the battery. With the UPS plugged into normal AC, press and release the TEST/Alarm
silence switch to initiate a self test. When the UPS is in battery mode, press and release
the TEST/Alarm silence switch to silence the alarm.
NOTE: The UPS will automatically perform a self test on startup and every two
weeks.
During the self test the UPS will switch to battery power and the on-line LED will blink and
the audible alarm will sound as well. This test will run for approximately fifteen seconds to
measure the battery’s capability to provide an acceptable amount of runtime. If the UPS
fails a self test, one of the LED’s will remain illuminated indicating the type of problem (see
section 5 Troubleshooting).
ALARMS
ON BATTERY
When the UPS is operating on the batteries, the on-line LED will blink and the audible
alarm will sound every 10 seconds. The alarm will stop once the UPS returns to on-line
operation.
UPS FAULT
When the UPS detects a hardware fault, the fault LED will illuminate and the UPS will emit
a sustained tone. The fault condition can be re-set by turning the UPS off and then on or by
pressing the test switch (see section 5 for more information).
OVERLOAD
When the amount of load attached to the UPS exceeds its power rating, the overload LED
will illuminate and the UPS will emit a sustained tone. This alarm will remain on until the
excess load is removed or the UPS’s self protection circuit shuts the UPS down.
TEST
