Datex-Ohmeda Aespire 7900, User'S Reference Manual

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Aespire 7900
4-4
Alphabetical list
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.
Message Priority Cause Action/Concerns Repair
+15V Analog Out-of-
Range Min. shutdown
(High) Ventilator malfunction. Ventilate manually. Monitoring is
not reliable. Contact a qualified
service representative.
-15V Analog Out-of-
Range Min. shutdown
(High) Ventilator malfunction. Ventilate manually. Monitoring is
not reliable. Contact a qualified
service representative.
12 Hour Test Low System in use for more than
12 hours without a power-up
self test. To do the test, move the system
switch from Standby to On. Not necessary,
informational.
A/D Converter
Failure Min. shutdown
(High) Ventilator malfunction. Ventilate manually. Monitoring is
not reliable. Contact a qualified
service representative.
Absorber panel open Medium The top panel is not
completely closed. Push the breathing system into
the frame and ensure it latches. - - -
Adjust Low Ve Limit Medium 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.
Increase the low VE alarm limit. - - -
Apnea Alarm
Standby Low Normal condition after End
Case, power-up, or ACGO
change from On to Off Monitoring resumes after first
breath (mechanical) or 2 breaths
within 30 seconds (non-
mechanical). - - -
Apnea Alarm Off Low The cardiac bypass option is
selected (alarm limit menu). Apnea alarms are normally
turned off when this option is
selected. - - -