Message, cause and remedy
Messages in the ventilation system
Message must be acknowledged
Messages during
operation
Cause
Remedy
Check monitor
No communication between ventilator
Switch on airway monitor manually.
and airway monitor.
Check connectors.
Display repeated every 10 minutes.
Call DrägerService if necessary.
Compliance test
Compliance test in progress.
For information.
Continue
Internal malfunction.
Ready for operation again after max.
in 5 seconds
5 seconds. The set values are retained.
Manual ventilation impossible!
Control pressure low
Insufficient operating control pressure.
Breathing system and piston pump installed
Automatically cancelled after the fault is
and locked? Supply pressure greater
remedied.
than 2.7 bar ? Breathing system or roller
diaphragm defective.
In this situation, if no pressure is generated in
the breathing system when attempting manual
ventilation:
immediately ventilate the patient
with the separate emergency breathing
bag.
Exp. pressure high
Displayed for expiration pressures more
Check microbial filter in expiration hose;
than 10 mbar above PEEP
empty water traps; increase expiration time
(I:E frequency), choke fresh gas supply.
Insufficient fresh gas
Displayed if the fresh gas flow is insufficient. Increase fresh gas setting. Remedy leaks,
Manual ventilation bag not filled.
extend expiration time. Replace breathing bag
connection hose in paediatric mode by adult
hose.
Keyboard error
A particular key is held down continuously,
»Man/Spont.«
mode automatically selected.
or there is a short circuit.
Call DrägerService.
Leak = xxx mL
• Indicates a leak in the ventilation system.
Acknowledge. Remedy any leak and
Displayed at the end of the leak test in
repeat the test.
subsystem 1/2 for approx. 2 seconds.
Acknowledge if leak > 175 mL/min
Leak test IPPV
The leak test is performed for
For information.
subsystems 1 and 2.
Malfunction No.....
• Specifies an internal fault.
The
»Man/Spont.«
mode is automatically
activated. Cancel the continuous alarm tone
by acknowledging message.
Call DrägerService, quoting number.
MAN./SPONT.
Displayed in Man./Spont. mode
P-sensor fault
See
»Messages in self-test«
Page
112.
Paediatric hoses !
• When the V
T
setting is changed from
Use paediatric hoses.
values above 200 mL to under 200 mL.
Otherwise, reduced precision.
Pressure limiting
Piston reaching the set pressure limit.
Reduce V
T
and increase P
max
.
Remedy stenosis. Set longer inspiration time.
Pressure relief
The operating mode is switched from
For information.
»Standby« to »Man/Spont.« and a
continuous pressure > 30 mbar is
detected for > 60 seconds
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