Mindray A9 Service Manual

7-41
Message
Priority
Cause
Solution
BIS SQI R<15% Low
SQI R is very low,
prompting the user that
the BIS value is not
reliable.
1. Check the contact between the BIS
sensor and the patient skin.
2. If the problem persists, replace the
BIS sensor.
BIS SQI R<50% Low SQI R is low.
1. Check the contact between the BIS
sensor and the patient skin.
2. If the problem persists, replace the
BIS sensor.
BIS Sensor Expired Low The BIS sensor expires.
1. Check the validity period of the BIS
sensor.
2. If the problem persists, replace the
BIS sensor.
BIS Electrode
Unconnected
Low
The BIS sensor
electrode is not
connected.
1. Check whether the BIS sensor
electrodes are properly connected.
2. If the problem persists, replace the
BIS electrode.
BISx Disconnected Low
The BIS cable is not
connected to the plug-in
module, or
a communication error
occurs.
1. Check the connector between the
BIS cable and the plug-in module.
2. If the problem persists, replace the
BIS cable.
3. If the problem persists, replace the
BIS plug-in module.
BIS Wrong Sensor
Type
Low
A Mindray undeclared
BIS sensor is used.
1. Check the type of the BIS sensor.
2. If the problem persists, replace the
BIS sensor.
BIS Sensor Failure Low
A sensor overcurrent or
positive electrode error
occurs.
1. Check the BIS sensor.
2. If the problem persists, replace the
BIS sensor.
Disconnect/Reconnect
BIS
Low
Three overcurrent errors
and two positive
electrode errors occur in
total. The BIS module
needs to be powered off
and then powered on.
The BIS module or
BIS plug-in box needs to
be re-plugged.
1. Re-plug the BIS sensor.
2. If the problem persists, replace the
BIS sensor.
BIS Self Test Error Low
An error occurs during
BIS module self-test.
1. Re-plug the BIS module.
2. If the problem persists, replace the
BIS module.
7.3.13 CO2 Module Runtime Alarms
Message
Priority
Cause
Solution
CO2 Comm Stop High
A CO2 module error or
communication error
occurs.
1. Re-plug the CO2 module, or replace
the slot.
2. If the problem persists, replace the
CO2 module.
3. If the problem persists, check the
connection cable between the
backplane and the display.
4. If the problem persists, replace the

Mindray A9 Specifications

General

Brand	Mindray
Model	A9
Category	Medical Equipment
Language	English