Puritan Bennett KnightStar 330 User Manual download pdf (Page 49)

How to solve device problems

Y-500009-00 Rev. J (6/06) KnightStar 330 User’s Manual

4-3

High

pressure

Alarm and

flashing

yellow

LED.

Displayed

symbol is

Kinked or blocked

breathing circuit.

Verify that the breathing

circuit has not

collapsed, and that

there are no sharp

bends. Reposition the

device, breathing

circuit, or accessories, as

applicable.

Low pressure Alarm and

flashing

red LED.

Displayed

symbol is

1. Breathing cir-

cuit leaks or is

disconnected.

2. Small patient

pressure tube

is not con-

nected to port

next to device

air outlet.

1. Reposition nasal pil-

lows or mask. Check

breathing circuit

connections at

device outlet filter

and patient inter-

face. If breathing cir-

cuit is punctured or

disconnected,

replace it or recon-

nect it, as applica-

ble.

2. Verify proper breath-

ing circuit connec-

tion. Disconnect and

reconnect, as appli-

cable.

Interface/

mask leak

Alarm and

flashing

red LED.

Displayed

symbol is

Mask or breathing

circuit leaks or is

disconnected.

Reposition nasal pillows

or mask. Check

breathing circuit

connections at device

outlet filter and patient

interface. If breathing

circuit is punctured or

disconnected, replace it

or reconnect it, as

applicable.

Table 4-1: Troubleshooting checklist (continued)

Problem Indicators Possible Cause Corrective Action

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 67 68

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Puritan Bennett KnightStar 330 User Manual Page 49

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