Chapter 9

Alarms

Alarm Insert

Figure 9-2: Alarm Alerts

Audible Alarms

When an alarm condition exists, the ventilator will generate a sequence of audible tones to alert the operator. The sequence varies according to the urgency and priority level of the alarm:

•High Urgency: The ventilator emits a repeating sequence of five tones.

•Medium Urgency: The ventilator emits a repeating sequence of three tones.

•Low Urgency: No audible tone emitted. (Med/Low indicator illuminates and alarm messages appear in the front panel Alerts window)

When more than one alarm is active, only the highest urgency level alarm is audibly annunciated. Procedures for silencing audible alarms are described below.

Alarm Silence

To silence alarms, perform the following:

•Press the ALARM SILENCE key on the front panel. The audible tone will cease and the alarm silence indicator will illuminate and remain lit for two minutes. Specific alarms that cannot be silenced are listed in Table 9-1: “Alarm Alert Messages”.

When ALARM SILENCE is pressed before the end of the two-minute period, the two-minute timer is reset, and alarm silence begins anew. Pressing ALARM SILENCE multiple times does not give multiple two-minute silence periods.

If new alarms occur during alarm silence, all visual alarm annunciation continues. If the Alerts insert is not present, it will appear. The message for any alarms that occur during the alarm silence period will appear in the Alerts insert if there are fewer than three messages currently displayed or the new

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Respironics V200 Ventilator Operator’s Manual

REF 1057983 A

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Philips V200 manual Audible Alarms, Alarm Silence
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