Mindray WATO EX-55Pro, Service Manual

Page: 276 / 474

8-22
Message
Alarm
Priority
Cause Solution
Uses (100 times).
2. Replace the BIS sensor.
BIS SQI <
50%
Low The SQI is low.
1. Check whether the BIS sensor is
in proper contact with the skin.
2. Replace the BIS sensor.
BIS SQI <
15%
Low
The SQI is low, and the
user is informed that the
BIS value is not reliable. 1. Check whether the BIS sensor is
in proper contact with the skin.
2. Replace the BIS sensor.
BIS Sensor
Expired
Low
The BIS sensor has
expired.
1. Check the date when the BIS
sensor is used.
2. Replace the BIS sensor.
BIS Electrode
Unconnected
Low
The electrode of the BIS
sensor is not connected.
BISx
Disconnected
Low
The BIS cable is not
connected to the plug-in
module, or a
communication error
occurs.
1. Check the connection between
the BIS cable and the plug-in
module.
2. Replace the cable of the BIS
module.
3. Replace the plug-in module of the
BIS module.
BIS Wrong
Sensor Type
Low
The BIS sensor is not a
Mindray specified
product.
1. Check the type of the BIS sensor.
2. Replace the BIS sensor.
BIS Sensor
Fault
Low
Sensor overcurrent or
sensor positive ground
fault
1. Check the BIS sensor.
2. Replace the BIS sensor.
Disconnect/Re
connect BIS
Low
The accumulated number
of overcurrent faults is 3
or the accumulated
number of sensor positive
ground fault is 2. The BIS
module must be powered
off and then powered on
again. Users should
Reconnect the BIS
module or BIS module
rack.
Reconnect the BIS sensor.
BIS Self Test
Error
Low
An error occurs during
the self test of the BIS
module. 1. Reconnect the BIS module.
2. If the problem persists, replace
the BIS module.