Mindray WATO EX-65Pro - Electronic Flowmeter Board Runtime Alarms

8-10
8.2.4 Electronic Flowmeter Board Runtime Alarms
Message Alarm
Priority
Cause Solution
Electronic Flow
Control Error
Medium 1. The voltage of the main
CPU or protection CPU is
out of the specified range.
2. The three-way valve in
air limb or N2O limb is
faulty.
3. The flow sensor in O2
limb, in balance gas limb,
or in total limb is faulty.
4. The O2 limb flow or
balance gas limb flow is not
achieved.
5. The single self-test error
occurs on the flow sensor.
6. The two-way valve in
EFCS O2 limb is faulty.
1. Restart the machine.
2. Measure supply voltage of the
flowmeter board. If the supply voltage
is out of specified range, replace the
power board or cable.
3. If the value measured by the flow
sensor is out of the specified range,
replace the flow sensor.
4. Replace the flowmeter board.
No Fresh Gas Medium The fresh gas is turned off
during manual or
mechanical ventilation.
1. Check that the gas supply is normal.
2. Turn on the fresh gas till a proper
value is displayed on the flow sensor.
O2 Branch
Flow Not
Achieved
Low The O2 flow is smaller than
the larger value of 10% of
the target flow or 0.2
L/min.
1. Check that the gas supply is normal.
2. Check that the flow sensor meets
specifications.
3. Replace the flow sensor when
necessary.
Balance Gas
Branch Flow
Not Achieved
Low The balance gas flow is
smaller than the larger
value of 20% of the target
flow or 0.4 L/min.
1. Check that the gas supply is normal.
2. Check that the flow sensor meets
specifications.
3. Replace the flow sensor when
necessary.
Backup Flow
Control Is
Enabled
Low 1. The machine functions
properly and the backup
flow control system is used
manually.
2. The flowmeter functions
improperly and the machine
automatically uses the
backup flow control
system.
1. Shut down the BFCS manually on
the main screen.
2. If you cannot shut down the BFCS
on the main screen, access Service to
manually shut down the BFCS.
3. Restart the machine.
4. Replace the flowmeter board.
Flowmeter Medium The main board fails to 1. Restart the machine.