iM80 Patient Monitor Service Manual Troubleshooting
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7.14 CO
2
Monitoring Failures
Phenomenon Possible Cause Solution
No CO
2
waveform.
Bad connection of CO
2
module.
Power off, reconnect CO
2
module.
CO
2
module defective. Replace CO
2
module.
The CO
2
Standby mode.
Change the working mode of CO
2
module to Measurement.
The CO
2
sampling tube is
jammed or not connected
well.
Unplug the sampling tube and clear
foreign matters, and then connect it
again. Or replace the sampling tube.
CO
2
mess, and the numeric value
has obvious errors.
CO
2
zeroed for a long time, thus
inaccurate.
Open CO
2
setup menu and zero CO
2.
CO
2
waveform is smooth
and the numeric value
displays - - -.
standby mode.
Change the working mode of CO
2
module to Measurement.
Tube jam d
interface in CO
2
measurement.
CO
2
jam.
Unplug the sampling tube and clear
foreign matters, and then connect it
again. Or replace the sampling tube.
CO
2
waveform is normal,
but data measurement has
zeroed for a long time, thus
inaccurate.
Open CO
2
setup menu and zero CO
2.
The settings of
compensation gas and air
pressure are inaccurate.
Open CO
2
setup menu and set
compensation gas and air pressure
correctly.
7.15 IBP Monitoring Failures
Phenomenon Possible Cause Solution
, yet IBP
measurement value is
The IBP module has not
been zeroed or zero drift
occurs.
Zero the IBP module.
and disappears time after
time.
Bad connection of the IBP
cable and sensor
Check the connection of IBP cable
The IBP waveform is flat
and there is no apparent
An unsuitable selection of
the ruler
Check whether the IBP label is
consistent with the measured site of