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Troubleshooting
Message
% O
HIGH
2
% O
ERR
2
FRESH GAS ?
GAS FAILURE
INSP CO
HI
2
>
INSP MAC
JULIAN COM 2 ?
JULIAN COM 3 ?
MIN VOL HIGH
MIN VOL LOW
MIXED AGENT
NO SPO
PULS
2
* Advisories related to hardware errors (e.g. sensor failures) are announced without audible signal.
124
Cause
!!
Inspiratory O
concentration exceeds
2
upper alarm limit.
O
flush used.
2
!
* O
measurement defective.
2
O
sensor exhausted or defective.
2
O
sensor not used.
2
!
Fresh gas flow too low.
Leakage in the breathing system or in
the patient hose.
!!!
Failure of O
and AIR supply.
2
!!
Inspiratory CO
concentration exceeds
2
the upper alarm limits set.
Upper alarm limit for inspiratory MAC
!!
value has been exceeded.
!
* Communication via RS 232 interface
COM 2/COM 3 has been interrupted.
!
Minute volume exceeds upper alarm
!!
limit.
!!
Minute volume below lower alarm limit.
Tube blocked/kinked.
Leak in breathing system.
Ventilation volume reduced by pressure
limitation.
Inadequate fresh gas flow.
!
The gas measuring system has
detected a mixture of more than two
anesthetic agents.
!!!
No pulse signal detected by SpO
measurement for approx. 10 seconds.
Remedy
Check O
concentration in fresh gas
2
flow.
Call DrägerService.
Replace O
sensor, see page 121.
2
Use O
sensor.
2
Increase fresh gas flow.
Check breathing system for leakages.
Open backup O
cylinder.
2
Check connection to supply pipeline.
Replace soda lime in absorber
system.
Valve discs in breathing system
defective.
Set sample rate to 200 mL/min due to
high frequency and time constant of
CO
sensor.
2
Check Vapor setting.
Check fresh gas setting.
Check connector plugs on Julian and
the connected device.
Correct tidal volume or respiration rate.
Check breathing system.
Check setting of ventilator.
Check tube.
Seal breathing system.
Correct ventilation pattern.
Increase fresh gas flow.
Flush system if necessary.
Check fresh gas setting.
Check patient's condition!
2
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