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The following displays are present on the front of the unit:
If the Power Supply with Battery Backup is working normally on mains power, the
SYSTEM STATUS light is green and the BATTERY POWER and REPLACE BATTERY
lights are off.
Alarm sounds
The following list describes the different types of audible alarm sounds
you might hear:
Power supply with Battery Backup
indicator lights and
alarm sounds
Light ON
Light BLINKING
Light OFF
SYSTEM
STATUS
Normal
System fault
No mains power
and power supply
unit is off
BATTERY
POWER
Using battery
No mains power
Battery charge
low and will soon
be flat
Using mains
power or battery
is flat
REPLACE
BATTERY
Battery missing or battery has
degraded and should be replaced
Battery OK
ALARM
SILENCE
Audible alarms
silenced
Audible alarms
silenced for 24
hours
Audible alarms
enabled
Cause
Alarm Sounds
Power Failure
Loss of mains power
Beeps once
Replace Battery
Battery self test fails
Beeps once every 15 minutes
Low Battery –
Less than 50% remaining
Battery reserve shutdown imminent
Beeps 4 times every minute
Audible Alarm On
Alarm function is enabled
Beeps twice when enabled
Audible Alarm Off
Alarm function is disabled
Beeps once when disabled