Puritan Bennett 540 Alarm Resetting Technique

Introduction

If there are alarm conditions sounding when they shouldn’t be, or if alarms are not sounding when they should be, you will need to use this guide to reset the alarms of the Puritan Bennett 540. You will not need any tools or parts besides the ventilator itself. There are no difficult steps, but please pay close attention to the warnings before starting this guide.

Warnings:

When an alarm is triggered, or there is evidence of a patient-ventilator problem, examine the patient first before examining the ventilator.
Handle respirator with care, as it may be very hot.
Double-check the alarm volume after you have finished working on the alarms, it should be loud enough for the patient’s caretaker to hear.

For more information on resetting the alarm, please refer to page 3-5 (section 3.5) in the service manual.

Step 1 Puritan Bennett 540 Alarm Resetting Technique

Puritan Bennett 540 Alarm Resetting Technique, Puritan Bennett 540 Alarm Resetting Technique: step 1, image 1 of 1

Press the MENU Key to access the Alarm Settings Menu.

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Step 2

Press the down arrow key to position the cursor on the “Alarm Logs” line, if this is not already the case.

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Step 3

Press the Enter key to confirm the selection of the Alarm Menu.

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Step 4

Press the up arrow key to position the cursor on the “Reactivate Paused Alarm” line. The following graphic shows the resulting display.

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Step 5

Puritan Bennett 540 Alarm Resetting Technique: step 5, image 3 of 3

Press the Enter key for at least three (3) seconds. The following events occur:
A “beep” sounds.
An audible alarm sounds.
An alarm indicator illuminates.
The messages of all active alarms are displayed in a loop in the Ventilation and Alarm menus.
The Audio Paused symbol disappears (if it was displayed).
The Alarm Paused symbol disappears.