Dräger Perseus A500 Instructions For Use Manual page 197

Priority Alarm
! 100 CO absorber expired
2
! 255 CO measurement failed
2
! 255 CO sensor accuracy low
2
! 0 Communication failure
!! 135 Cooling fan failure
!! 140 CPAP changed to "Off"
Instructions for use Perseus A500 SW 2.0n
Cause
Accessory has been used too
long.
There is electromagnetic
interference.
There is an internal failure.
The sensor has not yet
warmed up.
The ambient air used for cali-
brating the sensor was
impure.
The network connection
could not be established.
A network certificate has
expired or Connectivity Con-
verter CC300 is faulty.
In the network, there is
another anesthesia machine
with the same integrated sys-
tem ID.
An internal fan for evacuat-
ing gases is faulty.
The set CPAP pressure could
not be achieved due to leak-
age. The system has
changed the CPAP setting to
"Off".
Troubleshooting
Remedy
Replace the accessory if nec-
essary.
Use "ALARM RESET" to
acknowledge alarm.
Check for electromagnetic
radiation in the vicinity.
Use an alternative gas mea-
surement system.
If the problem persists, call
DrägerService.
Wait for the automatic calibra-
tion.
Position the device in an envi-
ronment with clean ambient
air.
Re-establish the connection.
Use "ALARM RESET" to
acknowledge alarm.
Check the connections
from/to Connectivity Con-
verter CC300.
Call DrägerService.
Check the integrated system
ID.
To prevent potential damage,
switch off system at your ear-
liest convenience. Increased
risk of fire.
Call DrägerService.
Check the breathing circuit for
tight connections and leak-
ages.
Increase fresh-gas flow.
Reapply the CPAP setting.
Use "ALARM RESET" to
acknowledge alarm.
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