A5/A3â„¢ Operating Instructions 046-003777-00 6 - 21
Alarms and Messages Alarm and Prompt Messages
6.6.1.3 Power Board Runtime Alarm
NOTE: If the power board loses communication with the CPU board for 10
seconds, the alarm buzzer will be turned on.
NOTE: If the system restarts accidentally, the alarm buzzer will sound for 10
seconds to show notification.
6.6.1.4 Electronic Flowmeter Board Runtime Alarm
MESSAGE CAUSE
ALARM
PRIORITY
MACHINE
MODE WHEN
CHECKED
DISABLE IN
STANDBY
MODE
Power System
Comm Stop
Lost communication with
CPU board for 10
seconds.
High Runtime No
Power Supply
Voltage Error
3.3 V, 5 V, 12 V voltage
error
High Runtime No
Low Battery
Voltage!
Battery voltage is less
than 10.6 V for 5 seconds.
High Runtime No
System going
DOWN, Battery
depleted!
Battery voltage is less
than 10.2 V.
High Runtime No
Battery
Undetected
Battery undetected Medium Runtime No
Battery in Use AC power fail Low Runtime No
Power Board High
Temp
Power board temperature
is greater than 95° C
High Runtime No
Heating Module
Failure
1. Both resistance
temperatures are greater
than 105° C or less than 0°
C for 20 seconds.
2. One of the resistance
temperatures is greater
than 110° C for 15
seconds.
Low Runtime No
Breathing Circuit
Not Mounted
Breathing Circuit is not
mounted.
High Runtime No
TABLE 6-6 Power Board Runtime Alarm Messages
MESSAGE CAUSE
ALARM
PRIORITY
MACHINE
MODE WHEN
CHECKED
DISABLE IN
STANDBY
MODE
Flowmeter
Voltage Error
DVCC, AVDD, or VC voltage
error
High Runtime No
N
2
O Flow Too High N
2
O flow is greater than 15
L/min for 1 second.
Low Runtime No
O
2
Flow Too High O
2
flow is greater than 25 L/
min for 1 second.
Low Runtime No
Air Flow Too High Air flow is greater than 20 L/
min for 1 second.
Low Runtime No
TABLE 6-7 Electronic Flowmeter Board Runtime Alarm Messages
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