Dräger Perseus A500 Instructions For Use Manual page 194

Troubleshooting
Priority Alarm
!! 255 Apnea (no flow)
!!! 220 Apnea (no pressure)
!! 255 Apnea (no pressure)
!! 0 Apnea Ventilation
! 0 Apnea Ventilation
! 100 "Audio paused" key stuck
194
Cause
No breathing or ventilation.
Fresh-gas flow is insufficient,
breathing bag is blocked or
positioned incorrectly.
The breathing hoses are
blocked or leaking.
No breathing or ventilation.
Fresh-gas flow is insufficient,
breathing bag is blocked or
positioned incorrectly.
The breathing hoses are
blocked or leaking.
No breathing or ventilation.
Fresh-gas flow is insufficient,
breathing bag is blocked or
positioned incorrectly.
The breathing hoses are
blocked or leaking.
No inspiratory effort of the
patient detected.
No inspiratory effort of the
patient detected.
Key is stuck or was pressed
for more than 10 seconds.
Instructions for use Perseus A500 SW 2.0n
Remedy
Start manual ventilation!
Check ventilation settings.
Check spontaneous breathing
ability of the patient.
Check fresh-gas settings and
position of breathing bag.
Check breathing circuit and
tube.
Start manual ventilation!
Check ventilation settings.
Check fresh-gas settings and
position of breathing bag.
Check breathing circuit and
tube.
Start manual ventilation!
Check ventilation settings.
Check fresh-gas settings and
position of breathing bag.
Check breathing circuit and
tube.
Check spontaneous breathing
ability of the patient.
Adjust the setting for "Trig-
ger".
Change to pressure-con-
trolled or volume-controlled
ventilation mode.
Use "ALARM RESET" to
downgrade alarm priority.
Check spontaneous breathing
ability of the patient.
Adjust the setting for "Trig-
ger".
Change to pressure-con-
trolled or volume-controlled
ventilation mode.
Ventilation performance is not
affected.
If the problem persists, call
DrägerService.