21
Alarm Conditions/Tests
Test the alarms prior to use. Before testing alarms, ensure that the alarm is not
muted. To cancel the Mute, press and hold the mute switch until a beep is
heard (2 seconds)
Disconnect Alarm
If the breathing circuit becomes disconnected, the alarm will be activated.
To Test
Switch on the ventilator without a breathing circuit connected and
cancel the Mute. After 10 seconds the alarm will sound, accompanied by the on-
screen disconnect alarm message.
Mains Fail Alarm
If the mains power to the NIPPY ST+ fails, the alarm will operate and continue for
approx. 5 minutes. Press the mute button to silence the alarm.
To Test
To ensure that the mains failure alarm is operating correctly, start the
NIPPY ST+ and switch off the mains power at the wall socket. The screen will go
blank after a few seconds and the alarm will sound. Press the mute switch or restore
the power and re-start the ventilator to silence.
Low Pressure Alarm
If the IPAP pressure falls to less than 50% of the IPAP setting for more than 10
seconds, the alarm will sound and an on-screen message will warn of low pressure.
To Test
It is not possible for the user to test this function.
High Pressure Alarm
If the airway pressure exceeds 120% of the IPAP setting for more than 2 seconds, the
alarm will sound and the pressure display will turn red.
To Test
It is not possible for the user to test this function.
Fault Alarms
The fault alarm indicates a fault in the machine. The on-screen message will indicate
the nature of the fault. The message may be temporarily hidden by pressing the Mute
button.
To Test
It is not possible for the user to test this function.
If you receive a fault message at any time, DO NOT continue to use the
ventilator. The machine MUST be referred to suitably qualified technical
personnel for investigation/repair.
