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4.
Functional tests
4.1
Power pack
Connect mains power and O2 supply. Switch
on the unit.
4.1.1
Testing the "electrical supply" display
The LEDs on the front of Savina show the
following operating states:
Mains power supply: green
External battery: off
Internal battery:
Green: Internal rechargeable batteries are
fully charged.
Yellow: Internal rechargeable batteries are
being charged.
4.1.2
Testing the internal supply voltage
Cut mains power.
The unit continues to ventilate. Audible alarm
sounds and display message "!! Int. battery
activated" appears.
The LEDs on the front of Savina show the
following operating states:
Mains power supply: off
External battery: off
Internal battery: green
4.1.3
Testing the supply voltage failure alarm
Connect device to the mains power supply.
Remove the fuse for the internal rechargeable
battery. The fuse is located on the rear panel
of the unit.
Disconnect the device from the mains power
supply.
Ventilation off. All LEDs are off. Audible alarm
sounds.
Switch off the unit.
Restore mains power.
Re-insert fuse for internal rechargeable
battery.
Switch unit back on.
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