Mindray A9 Service Manual

7-32
Message
Priority
Cause
Solution
3. If the problem persists, replace the
auxiliary O2/air module (refer to 11.1.4).
Calibrate Aux
O2/AIR Module
Low
The calibration table of
the proportional valve or
sensor has no data or has
an error.
1. Restart the auxiliary O2/air module.
2. If the problem persists, replace the
auxiliary O2/air module (refer to 11.1.4).
7.3.9 HFNC Module Runtime Alarms
Message
Priority
Cause
Solution
HFNC Module
Comm Stop
High
The communication
between the CPU board
and the HFNC module
stops.
The CPU board lost
communication with the
HFNC module for 10s.
1. Restart the HFNC module.
2. If the status screen has a
communication stop alarm, or encounters
the black or blank screen error, rectify
the fault of the status screen first (refer to
7.2.1).
3. If the problem persists, remove the
auxiliary electrical outlet (refer to 8.1.2)
and service door (refer to 8.1.1),
reconnect the cable between the auxiliary
O2/air module and the backplane
(backplane socket position: "O2Air"
socket on the right).
4. If the problem persists, replace the
HFNC module (refer to 11.1.4).
HFNC Module
Failure
Med
1. The flow sensor is
faulty.
2. The branch switch
valve is faulty.
1. Restart the HFNC module.
2. If the problem persists, replace the
HFNC module (refer to 11.1.4).
HFNC Selftest
Error
Med
1. A module self-test
error occurs.
2. A proportional valve
self-test error occurs.
3. A power-on zeroing
error or zero point
reading error occurs.
1. Restart the HFNC module and main
unit.
2. If the problem persists, remove the
auxiliary electrical outlet (refer to 8.1.2)
and service door (refer to 8.1.1),
reconnect the cable between the auxiliary
O2/air module and the backplane
(backplane socket position: "O2Air"
socket on the right).
3. If the problem persists, replace the
HFNC module (refer to 11.1.4).
Calibrate HFNC
Module
Low
The calibration table of
the proportional valve or
sensor has no data or has
an error.
1. Restart the HFNC module.
2. If the problem persists, replace the
HFNC module (refer to 11.1.4).
7.3.10 External AG Module Runtime Alarms
Message
Priority
Cause
Solution
AG Hardware
Error
Med
The AG hardware
malfunctions.
1. Re-plug the AG module, or replace the
slot.
2. If the problem persists or the alarm
occurs repeatedly, replace the AG
module.

Mindray A9 Specifications

General

Brand	Mindray
Model	A9
Category	Medical Equipment
Language	English