Alarms
146 Instructions for use Perseus A500 SW 2.0n
Airway press. continuously high --- ---
> 15 seconds above
the manually or auto-
matically set limit
Airway pressure negative --- ---
Pmean < –2
or
Paw < –10
PEEP/CPAP high ---
Airway pressure
>(PEEP +5 hPa)
during more than 10
consecutive breaths
---
Airway pressure not achieved ---
>15 seconds (for RR
≥
6)
or
>30 s
(for RR <6 or PSV)
---
Cardiac bypass mode still
active?
---
If a minute volume of
>50 % of the sug-
gested value is mea-
sured after CBM
mode has been acti-
vated for >60 seconds
---
Fresh gas low or leakage
Breathing bag almost
empty
Breathing bag empty
after 30 s
or
in the event of the
additional alarm
"Apnea (no flow)" or
"Apnea (no pressure)"
or
in the event of the
additional alarm
"Emergency air inlet
activated"
O
2 measurement not available
N
2O measurement not available
Agent measurement not avail-
able
O
2 measurement temporarily
inaccurate
CO
2 sensor accuracy low
Agent measurement temporar-
ily inaccurate
N
2O measurement temporarily
inaccurate
Measured gas concentrations
temporarily inaccurate
>20 s --- ---
Alarm
Priority
Low Medium High
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