
C-5
Alarm message A B L Cause Measure
NIBP SYSTEM
FAILURE
No Yes 2
NIBP TIME
OUT
No Yes 2
MEASURE
FAIL
No Yes 2
Failure occurs in the pulse
measurement. The monitor
cannot perform
measurement, analysis, or
calculation.
repair.
NIBP
ILLEGALLY
RESET
No Yes 2 Illegal reset comes out
during the NIBP
measurement.
Check if the airway is
blocked. Deal with the
blocking and perform the
measurement again. If the
problem still exists, contact
our company for repair.
C.2.6 Mindray DS SpO
2
Module Alarm Messages
Alarm message A B L Cause Measure
SPO2 SENSOR
OFF
No Yes 3 The sensor is disconnected
from the patient or the
monitor.
Make sure the sensor is
placed on the patient’s
finger or other parts, and
the monitor is connected to
cables correctly.
The sensor is disconnected
from the patient or the
monitor, or it is not
properly connected.
Disconnect and reconnect
the sensor as directed by
the instructions. If the
alarm remains, the sensor
or the cable might have
been damaged.
SPO2 NO
SENSOR
Yes Yes 3
The SpO
2
is connected
upside down.
Disconnect and reconnect
the sensor as directed by
the instructions. Pay
attention to the mark on the
probe.
SPO2 LOW
PERFUSION
No No 3 The pulse signal is too
weak.
Move the sensor to a site
with better perfusion.
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