A5/A3â„¢ Operating Instructions 046-003777-00 6 - 15
Alarms and Messages Alarm and Prompt Messages
6.6 Alarm and Prompt Messages
This section lists the following alarms and messages:
• Physiological Alarm Messages
• Technical Alarm Messages
• Prompt Messages
For each alarm message, corresponding actions are given instructing you to troubleshoot problems.
If the problem persists, contact your service personnel.
NOTE: The Disable in Manual and Cardiac Bypass mode column indicates how
this alarm is controlled by the alarm on/off button and the cardiac
bypass mode button in manual mode.
NOTE: The Disabled in Standby mode column indicates which physiological
alarms will be disabled automatically in Standby mode.
NOTE: The Disabled in Monitor mode column indicates which physiological
alarms will be disabled automatically in Monitor mode.
Physiological Alarm Messages
MESSAGE CAUSE
ALARM
PRIORITY
DISABLED
WHEN
ALARM IS
OFF
DISABLED
IN
STANDBY
MODE
DISABLED
IN
MONITOR
MODE
Apnea Two triggering conditions
occur simultaneously:
1. Paw < (PEEP+3) cmH
2
O
for more than 30 seconds
2. Vt < 10 ml for more than
30 seconds
Medium Yes N/A * Ye s
Apnea >2 min No breath has been
detected within the last
120 seconds.
High Yes N/A * Yes
Paw Too High Ppeak ≥ Paw high alarm
limit setting
High Yes N/A * Yes
Paw Too Low Ppeak ≤ Paw low alarm
limit setting for 20
seconds
High Yes N/A * Yes
Pressure
Limiting
Paw ≥ Plimit Low N/A * N/A * N/A*
FiO
2
Too High FiO
2
> high alarm limit
setting
Medium No N/A * No
FiO
2
Too Low FiO
2
< low alarm limit
setting
High No N/A * No
MV Too High MV > high alarm limit
setting
Medium Yes N/A * Yes
MV Too Low MV < low alarm limit
setting
Medium Yes N/A * Yes
* N/A - Not Applicable. This alarm message does not exist within this mode and therefore cannot be disabled
or enabled.
TABLE 6-3 Physiological Alarm Messages
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