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Chapter 9
9-8 Respironics V200 Ventilator Operator’s Manual REF 1057983 A
Alarms
Low Vt Mandatory The ventilator triggers a medium urgency alarm to indicate
that the VCV or PCV mandatory tidal volume is less than the
set limit. It is elevated to high urgency after one minute.
Note: A Low Vt setting of zero (0) will disable this alarm.
Note: If an inspiration is triggered immediately after the
mandatory minimum exhalation time of 200 msec, this
alarm will not be activated unless this condition occurs for
three consecutive breaths.
Low Vt Spontaneous The ventilator triggers a medium urgency alarm to indicate
that the VCV or PCV spontaneous tidal volume is below the
set alarm limit. It is elevated to high urgency after one
minute.
Note: A Low Vt setting of zero (0) will disable this alarm.
O
2
Valve Stuck Closed Alarm cannot be silenced or manually reset. Call for service.
Occlusion - SVO Safety Valve opens. The ventilator triggers a high urgency
alarm to indicate that an occlusion has been detected in the
patient circuit. Check circuit tubing for crimped hoses or
blockage. Check filters and humidification devices to ensure
they are functioning properly. Alarm cannot be manually
reset.
Restart The ventilator has restarted. If the ventilator repeatedly
restarts on its own, call for service.
Using Default Altitude Ventilator is using default altitude.
Using Default
Compliance
Ventilator is using default compliance.
Using Default Settings Ventilator is using default settings.
Alarm Alert Messages (Continued)
Alert Message Description
Table 9-1: Alarm Alert Messages (Sheet 4 of 4)