Mindray uMEC10, Operator'S Manual

Page: 132 / 288

11-6
Symptoms Possible Cause Correction Action
Dashes “- -” display in
place of numerics.
Measurement is invalid. Check that the sensor is properly
applied. Change the application site if
necessary.
Do not see SpO
2
parameter tiles in
display.
Parameter not configured to
display.
Switch the SpO
2
monitoring function on
as described in 3.10.1 Switching the
Parameters On/Off .
Unable to obtain SpO
2
reading
Patient has poor perfusion Switch limbs/notify physician
Sensor not on patient Check if the “SPO2 Sensor Off” alarm
is reported.
If so, reapply the sensor.
If not, contact the service personnel.
Cables loose/not connected Check connections, switch cable
Ambient light Check if the “SpO2 Too Much Light”
alarm is reported. If so, move the sensor
to a place with lower level of ambient
light or cover the sensor to minimize the
ambient light.
No SpO2 waveform Waveform not selected to
display
Switch the SpO
2
monitoring function on
as described in 3.10.1 Switching the
Parameters On/Off .
Cable or sensor not plugged
in
Check that the cable is properly
connected and sensor securely applied.
Low amplitude SpO
2
signal
SpO
2
sensor on same limb
as cuff
Check that the sensor is properly
applied. Change the application site if
necessary.
Patient has poor perfusion Change the application site.