Technical failure (Nonadjustable by the user)
Definition: Important alteration (electronic circuit or software) or burnt fuse of the
annex board.
Ventilator action: The ventilator stops to work. The screen fades. Continuous light
and audible signal is activated.
Signal type: Audible and light.
The left Technical Failure LED lit when the alteration comprises the electronic circuit
or the software.
The right LED lit when the annex board fuse burnt. No screen message.
Silence: It cannot be silenced.
Consequences: The alarm indicates to possible causes: 1) A serious alteration of
the hardware or software; 2) Burnt fuse of the annex board. The device should not
be used. Attention of specialized Service should be requested.
WARNING
When the Technical Failure alarm is activated, do not intent to use the ventilator
again. It should be sent to an authorized service.
Medium Priority Signals (caution)
They are activated with a time delay. In some the time is operator’s adjustable, in
other the time is fixed. The alarms that are activated with signals of Medium Priority
are the following ones:
Low inspiratory pressure (Adjustable by the user)
Definition: Minimum allowed airway pressure limit.
Selection: In all the modes.
Ventilator action: It is activated when the ventilator inspiratory phase pressure
stays more than 10 seconds below the set limit. If, after 30 seconds, no action is
taken by the operator, the alarm status is changed to as a High Priority Signal.
Signal type: Audible, light and warn in the screen.
Silence: It can be temporarily silenced.
Setting limits: From 3 to 99 cm H
2
O (from 0 in PCV).
Default value: 5 cm H
2
O for all patient categories.
Value change: With the [Alarm Settings] key.
Screen message
The audible alarm signal recovers automatically if the pressure returns to a superior
value of the set limit. The light signal does not disappear until the [Reset] key is
pressed.
VT high (Adjustable by the user)
Definition: Maximum allowed limit of the tidal volume impelled by the ventilator.
Selection: In all the modes.
Ventilator action: It is activated when the tidal volume of successive breathings
stays more than 10 seconds above the set limit.
Signal type: Audible, light and warn in the screen.
Silence: It can be silenced temporarily.
Setting limits: From 0.010 L up to 3.0 L.
Default value: According to the patient category:
ADL: 0.600 L; PED: 0.300 L; NEO: 0.050 L
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