Datex-Ohmeda Aespire 7900, Руководство пользователя

Страница: 68 / 118

Aespire 7900
4-8
Limit Task Light Use Low The system is running on
battery power. Turn off the
light to save power. Turn off the light to extend
battery backup. - - -
Loss of Backup
Audio Medium
(low after
acknowledged) The audio alarm will not
sound for a CPU failure. Monitor system operation. Contact a qualified
service representative.
Low Battery Voltage Medium Voltage is <11.65V while
using battery power. Manually ventilate the patient to
save power. Make sure power is
connected and circuit
breakers are closed.
Contact a qualified
service representative.
Low Drive Gas Pres Medium The ventilator did not detect
a rise in internal pressure
when the flow valve opened. Manually ventilate the patient. Make sure that the
appropriate gas
supplies (O
2
or Air) are
connected and
pressurized.
Low O
2
High O
2
% < alarm low limit setting Is the limit set correctly? Is the
O
2
flow sufficient? Does the
sensor see 21% O
2
in room air?
Calibrate O
2
sensor.
Replace O
2
sensor. As
sensors wear out, the
measured % O
2
decreases.
Low Paw Medium Paw does not rise at least 4
cm from the lowest pressure
measured during the last 20
seconds. Are circuit connections OK? Look
at the Paw gauge on the
absorber. Look for circuit
disconnection.
Low Ve Medium Exhaled minute volume <low
limit alarm setting. This
alarm is suspended for 9
breaths or one minute after
you change the ventilator
settings. Check patient condition. Check
tubing connections.
Check alarm settings. - - -
Low Vte Medium Exhaled tidal volume <low
limit alarm setting. This
alarm is suspended for 9
breaths after you change the
ventilator settings. Check patient condition. Check
tubing connections. Check alarm
settings. - - -
Manifold Pressure
Sensor Failure Minimum
monitoring
(Medium) Ventilator malfunction. Ventilate manually. Contact a qualified
service representative.
Message Priority Cause Action/Concerns Repair