Dräger Perseus A500 Instructions For Use Manual page 199

Priority Alarm
!! 10 FiO high
2
!!! 255 FiO low
2
!! 135 FiO too high for neonates FiO
2
!! 30 Flow control valve still open At least one flow control valve
! 80 Flow sensor calibration
required
!!! 100 Fresh gas low or leakage
!! 150 Fresh gas low or leakage
! 170 Fresh gas low or leakage
!! 100 Fresh-gas flow high
Instructions for use Perseus A500 SW 2.0n
Cause
FiO has exceeded the upper
2
alarm limit.
FiO has fallen below the
2
lower alarm limit.
has exceeded the
2
threshold value for longer
than the time configured in
the system setup.
is still open.
The flow sensors have not
been calibrated for more than
24 hours or since the device
was turned on.
Fresh-gas flow is insufficient,
breathing bag is blocked or
positioned incorrectly.
Leakage or disconnection.
Fresh-gas flow is insufficient,
breathing bag is blocked or
positioned incorrectly.
Leakage or disconnection.
Fresh-gas flow is insufficient,
breathing bag is blocked or
positioned incorrectly.
Leakage or disconnection.
The total fresh-gas flow is
greater than 15 L/min.
Troubleshooting
Remedy
Check FG O .
2
Check O concentration and
2
fresh-gas settings.
Check the breathing system
for high leakages.
Check O supply.
2
Check O concentration and
2
fresh-gas settings.
Use "ALARM RESET" to
acknowledge alarm.
Close all flow control valves.
Perform the leakage test.
Refill the breathing system
immediately, e.g., with O
flush.
Check fresh-gas settings and
position of breathing bag.
Check the breathing circuit for
tight connections and leak-
ages.
Check tube or mask.
Check fresh-gas settings and
position of breathing bag.
Check the breathing circuit for
tight connections and leak-
ages.
Check tube or mask.
Use "ALARM RESET" to
downgrade alarm priority.
Check fresh-gas settings and
position of breathing bag.
Check the breathing circuit for
tight connections and leak-
ages.
Check tube or mask.
Reduce fresh-gas flow.
2
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