Operator’s Manual of Anesthesia System 8 - 23
Alarms and Messages Alarms and Prompt Messages
8.8.2.4 Flow Control System Runtime Alarm
INFORMA-
TION CAUSE ACTION
ALARM
PRIORITY
MACHINE
MODE
WHEN
CHECKED
DISABLE
IN
STANDBY
MODE
Electronic
Flow Control
Error
Power supply voltage
abnormality, valve
fault, flow sensor fault,
flow abnormality of
output fresh gas, etc.
Please contact
Mindray Technical
Support.
Medium Runtime No
No Fresh Gas The flow rate of O
2
and
balance gas is zero
continuously for five
seconds.
1. Check the O
2
source and the
balance gas source
are connected
correctly.
2. Check fresh gas
setting.
Medium Runtime Yes
O
2
Branch
Flow not
Achieved
The measured flow of
the O
2
branch exceeds
the target flow
threshold for the O
2
branch.
1. Check O
2
source
is connected
correctly.
2. Please contact
Mindray Technical
Support if the
problem persists.
Low Runtime Not
applicable *
Balance Gas
Branch Flow
not Achieved
The measured flow of
the balance gas
branch exceeds the
target flow threshold
for the balance gas
branch.
1. Check balance
gas source is
connected
correctly.
2. Please contact
Mindray Technical
Support if the
problem persists.
Low Runtime Not
applicable *
Flowmeter
Comm Stop
Lost communication
with CPU board for
10 seconds.
Please contact
Mindray Technical
Support.
Medium Runtime No
Total Flow
Sensor Self
Test Time
Out
The automatic flow
sensor self-test
times out
Please contact
Mindray Technical
Support.
Medium Runtime No
Backup Flow
Control
System is
enabled
The backup flow
control system is
in use.
The backup flow
control system is
in use.
Low Runtime No
Backup Flow
Control
System Error
1. BFCS two-way
valve fault.
2. The micro switches
at the two locations of
the mechanical gate
are in inconsistent
status.
Please contact
Mindray Technical
Support.
Medium Runtime No
Air Supply
Failure
Air Supply
Pressure Low.
Connect the air
pipeline.
Medium Runtime No
Table 8-7 Electronic Flow Control System Runtime Alarm Messages
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