aarcsystems.com
AARC-EVAC Wireless Alert Transmitters
Installation & Operation Manual
4
Maintenance
The UPS Battery condition should be checked regularly for correct operation. This can be done
by observing the battery condition indicator on the bottom of the unit (see below for details).
This procedure should be added to your company or organisation’s maintenance schedule.
AC Power & UPS Battery Condition Indicator
The LED light in the clear lens at the bottom of the box will indicate the condition of the UPS
battery/AC power supply to the unit.
Constant Green
Battery Voltage good, AC Power Supply connected, system running.
Replacement Battery: 7Ah 12V Sealed Lead Acid (SLA) Battery
Green Slow Flash
Battery Voltage good, AC Power Supply off line system running
on UPS.
Green Rapid Flash
Power supply connected, unit internal power switch ( ) is in
the off position (system switched off).
Red Constant
AC Power connected Battery charging Condition, system off,
whilst Battery Low.
Red Rapid Flash
Battery test failed but battery serviceable, AC Power Supply
Red Flash once every 15s, Buzzer sounds every 60s
Green Constant with Brief Red Flash and Buzzer every 4s
AC Power Supply connected, system running, UPS Battery
Voltage Low, not serviceable and battery replacement required.
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