User Manual

Monitoring
3-22 LIFEPAK 20e Defibrillator/Monitor Operating Instructions
Troubleshooting Tips for EtCO2
Table 3-4 Troubleshooting Tips for EtCO2
Observation Possible Cause Corrective Action
1 ALARM APNEA message
appears and waveform is
solid line at or near zero.
No breath has been detected
for 30 seconds since last valid
breath.
• Check the patient.
FilterLine connection to device
is loose.
• Twist FilterLine connector
clockwise until firmly seated
and can no longer be
turned.
FilterLine set is disconnected
from patient or ETT.
• Check ventilation equipment
(if used) for leaks or
disconnected tubing.
2
CO2 FILTERLINE OFF
message appears and
waveform is “---”.
FilterLine set disconnected
from device.
• Connect FilterLine set to
device port.
FilterLine set not securely
connected to device.
• Twist FilterLine connector
clockwise until firmly seated
and can no longer be
turned.
3
CO2 FILTERLINE PURGING
message appears and
waveform is “---”.
FilterLine set is kinked or
clogged with fluid.
• Disconnect and then
reconnect the FilterLine set.
4
CO2 FILTERLINE BLOCKAGE
message appears and
waveform is “---”.
The message appears after 30
seconds of unsuccessful
purging. FilterLine set is kinked
or clogged.
• Disconnect and then
reconnect the FilterLine set.
• Change the FilterLine set.
5
CO2 INITIALIZING message
appears and waveform is
“---”.
FilterLine set connected to
device while module is
initializing.
• None.
6
AUTO ZEROING message
appears and waveform is
“---”.
Module is performing self-
maintenance.
• None.
7 EtCO2 values are erratic. FilterLine connection to device
is loose.
• Twist FilterLine connector
clockwise until firmly seated
and can no longer be
turned.
A leak in the FilterLine set. • Check for connection leaks
and line leaks to patient,
and correct, if necessary.
A mechanically ventilated
patient breathes
spontaneously or patient is
talking.
• No action required.