Dräger Perseus A500 Instructions For Use Manual page 180

Troubleshooting
Alarm Alarm
priority
!!! 200 Rotary knob stuck
! 170 Sample line disconnected? Ventilation was started, but
! 170 Sample line occluded
!! 75 Second agent detected
! 100 Service date reached
!! 0 Speaker failure
!! 100 Synchronized ventilation
failure
180
Cause
Key is stuck or was pressed
for more than 10 seconds.
no exhaled CO was
2
detected.
Sample line is occluded.
A second anesthetic agent
has been detected.
Maintenance is due.
The loudspeaker is faulty.
Inspiratory efforts of the
patient cannot be detected
due to faulty sensors.
Instructions for use Perseus A500 SW 1.1n
Remedy
Ventilation performance is not
affected.
Press and turn rotary knob
repeatedly. If alarm condition
persists, settings cannot be
adjusted anymore.
Disconnect the patient and
ventilate with a manual resus-
citator.
Switch off the device with the
device switch. Start manual
ventilation using "Add. O
Check sample line, water
trap, and patient-side filter.
Check sample line, water
trap, and patient-side filter.
Flush the system if necessary.
Check fresh-gas settings.
Wait for transition phase to
end.
Call DrägerService.
Use "ALARM RESET" to
acknowledge alarm.
Call DrägerService.
Use "ALARM RESET" to
downgrade alarm priority.
Check ventilation settings.
Change to a non-synchro-
nized ventilation mode.
Change to MAN/SPON mode
and ventilate manually.
".
2