![Dräger Infinity Acute Care System M540 Instructions For Use Manual Download Page 551](http://html.mh-extra.com/html/drager/infinity-acute-care-system-m540/infinity-acute-care-system-m540_instructions-for-use-manual_2526773551.webp)
Instructions for use – Infinity Acute Care System – Monitoring Applications VG6.n
551
Troubleshooting
Cardiac Output (C.O.)
Priority
Message
Parameter field
Problem
Solution
!!
Tblood >
(alarm limit)
Tblood <
(alarm limit)
Parameter value
The blood
temperature is
outside the alarm
limits because of:
– a physiological
condition
– inappropriate
alarm limits
– a faulty sensor
– Check the patient
and treat if
necessary.
– Change the alarm
limits.
!!
%0 out of range
high
1)
%0 out of range
low
1)
Parameter value
The blood
temperature is
outside the
measurement
range because of a
faulty sensor.
Check equipment and
replace if necessary.
!
C.O. Catheter Fault -
Bad Ref.
2)
Parameter value
The C.O. blood
thermistor
calibration resistor
does not meet the
specified
tolerance.
– Check the
catheter and
replace if
necessary.
– Contact
DrägerService
®
.
!
C.O. Pod Fault - Bad
Ref.
2)
Parameter value
The C.O.
reference values
do not meet the
specified
tolerances.
– Remove and
reconnect the
pod.
– Repeat the
measurement.
– Replace the pod
and contact
DrägerService if
the message
persists.
1)
%0 is a placeholder for the parameter label C.O.
2)
After discharging a patient or starting the device, the alarm becomes active only after a numeric value
has been received for that parameter.