Datex-Ohmeda Aestiva 7900 SmartVent Technical Reference Manual page 125

Message Alarm type/
Priority
All Vent low
modes
Available
(1.X and 3.X)
Apnea Alarm User Alarm
Standby
Apnea Alarm User Alarm
Off
Aux Gas User Alarm
Outlet On
Backup User Alarm
Mode Active
Battery User Alarm
Charger Fail
Battery User Alarm
Charging
Battery User Alarm
Current High
1006-0453-000 05/04
Enabling Criteria Alarm Condition
Removal Criteria
VT Compensation Off is
active without the
patient or delivered
volume mismatch
alarms
Alarm condition becomes false.
Normal condition after Monitoring resumes
End Case, power-up, or after first breath
ACGO change from On (mechanical) or 2
to Off. breaths within 30 sec
(non-mechanical).
The cardiac bypass Apnea alarms are
option is selected normally turned off
(alarm limit menu). when this option is
selected.
The outlet selection
switch is set to the
auxiliary common gas
outlet.
Connect the patient circuit to the auxiliary outlet.
For mechanical ventilation or manual ventilation
with monitoring, select the common gas outlet.
SIMV-PC + PSV mode No spontaneous breath
entered. within set delay time.
The current in the The system is
battery charging circuit operational, but may fail
is too high. later depending on what
caused this alarm.
The battery is not fully
charged. If power fails,
the total backup time
will be less than 30
minutes.
Leave the system plugged in to charge the battery.
Battery current > 6 The system continues to
amps for 10 seconds. operate but may fail.
5 Troubleshooting
Service Repair
This alarm means that a previous volume
compensation problem has cleared.
If persists, check:
• ACGO switch
• SIB
• cable from SIB to CPU board
Replace:
• battery
For machines with original CPU:
• PSB
For machines with Integrated CPU:
• CPU board
If persists, replace:
• battery
For machines with original CPU:
• PSB
For machines with Integrated CPU:
• CPU board
If persists, replace:
• battery
For machines with original CPU:
• PSB
For machines with Integrated CPU:
• CPU board
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