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Aespire 7900
Alphabetical list
Message
Priority
+15V Analog Out-of-
Min. shutdown
Range
(High)
-15V Analog Out-of-
Min. shutdown
Range
(High)
12 Hour Test
Low
A/D Converter
Min. shutdown
Failure
(High)
Absorber panel open Medium
Adjust Low Ve Limit
Medium
Apnea Alarm
Low
Standby
Apnea Alarm Off
Low
4-4
The instructions in this section tell you what you can do:
• During a case to protect the patient
• After the case to repair a problem
This table does not include operator instructions.
There are two special types of alarms:
• Minimum monitoring alarms stop mechanical ventilation.
• Minimum shutdown alarms stop mechanical ventilation and monitoring.
Cause
Ventilator malfunction.
Ventilator malfunction.
System in use for more than
12 hours without a power-up
self test.
Ventilator malfunction.
The top panel is not
completely closed.
The audible circuit leak
alarm is Off (Alarm menu)
but the low VE alarm is not
set.
VE alarm is Off in SIMV or
PSVPro modes.
Normal condition after End
Case, power-up, or ACGO
change from On to Off
The cardiac bypass option is
selected (alarm limit menu).
Action/Concerns
Ventilate manually. Monitoring is
not reliable.
Ventilate manually. Monitoring is
not reliable.
To do the test, move the system
switch from Standby to On.
Ventilate manually. Monitoring is
not reliable.
Push the breathing system into
the frame and ensure it latches.
Increase the low VE alarm limit.
Monitoring resumes after first
breath (mechanical) or 2 breaths
within 30 seconds (non-
mechanical).
Apnea alarms are normally
turned off when this option is
selected.
Repair
Contact a qualified
service representative.
Contact a qualified
service representative.
Not necessary,
informational.
Contact a qualified
service representative.
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