Chapter 9

Alarms

 

Alarm Alert Messages (Continued)

 

 

Alert Message

Description

 

 

High Minute Volume

Indicates total minute ventilation (VE) measured in

 

exhalation is higher than the set limit. This alarm is

 

available in Volume Control and Pressure Control modes. It

 

is elevated to high urgency after one minute.

 

 

High O2

A high urgency alarm indicates that the monitored O2

 

concentration is at least 6% above the set value (%O2) for

 

30 seconds. Verify operation of the O2 sensor. Alarm cannot

 

be manually reset.

 

 

High Respiratory Rate

The ventilator triggers a medium urgency alarm if the total

 

respiratory rate is greater than the operator-set High

 

Respiratory Rate limit. The ventilator evaluates this alarm

 

condition at the start of inspiration, after calculating the

 

total respiratory rate including the just completed breath. It

 

is elevated to high urgency after one minute.

 

 

High Temperature

Internal temperature monitor detects higher than allowed

 

temperatures inside the enclosure. Alarm cannot be

 

silenced or manually reset.

 

 

I-Time Too Long

The ventilator triggers a medium urgency alarm to indicate

 

that a spontaneous breath has exceeded the maximum

 

allowed inspiratory time of 3.5 seconds (2.5 seconds in

 

Pediatric mode). The alarm is elevated to high urgency after

 

two consecutive breaths that meet the alarm criteria.

 

 

Low Backup Battery

If the backup battery is low, a high priority alarm will be

 

triggered. Immediately connect an AC power source to avoid

 

a loss of power. Provide AC power and/or replace the backup

 

battery. Alarm cannot be silenced or manually reset. 5

 

minutes or less of battery run time remains.

 

 

Low EPAP

If the Exhalation Positive Airway Pressure is less than the

 

operator set Low EPAP Pressure limit for one second, the

 

ventilator signals a medium urgency condition. If the Low

 

EPAP alarm remains active for one minute, the ventilator

 

elevates the alarm to high urgency.

 

Note: A Low EPAP 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.

 

 

Table 9-1: Alarm Alert Messages (Sheet 2 of 4)

9-6

Respironics V200 Ventilator Operator’s Manual

REF 1057983 A

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Philips V200 manual Alarm Alert Messages Sheet 2

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