Mindray DPM 4 Operator's Manual

C-6
C.2.7 Masimo SpO
2
Module Alarm Messages
Alarm message A B L Cause Measure
SPO2 SENSOR
OFF
Yes 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.
SPO2 PULSE
SEARCH
No No 3 The monitor is searching for
the pulse signal of the patient.
If the pulse reading is not
displayed after 30 seconds,
check if the probe is properly
connected to the patient.
Change the sensor site for
better signals if necessary.
SPO2
INTERFERENC
E
No No 3 The pulse signals are subject
to great external interference.
Reduce or remove external
interference.
SPO2 LOW
PERFUSION
No No 3 The pulse signal detected by
the monitor is too weak.
Change the sensor site for
better signals.
SPO2 TOO
MUCH LIGHT
No No 3 Too much light on the patient
and sensor.
Turn down or off the lighting,
move the probe to a place of
weaker light or cover the
probe.
SPO2
UNRECOGNIZ
ED SENSOR
No No 3 The monitor cannot recognize
the SpO2 probe type.
Check for correct probe type.
SPO2 BOARD
FAULT
No No 1 The SpO2 set board
malfunctions and might be
unable to measure the pulse
signals correctly.
Stop using the SpO2module,
and contact biomedical
engineers or our company for
maintenance.
SPO2 SENSOR
FAULT
No No 1 The probe is damaged. Stop using the sensor.
The sensor is disconnected
from the patient or the
monitor, or the sensor 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 SpO2 probe is inserted
upside down.
Disconnect and reconnect the
sensor as directed by the
instructions. Pay attention to
the mark on the probe.
SPO2 LOW
SIGNAL IQ
No No 3 The pulse signals detected by
the monitor are of poor
quality.
Move the sensor to a site with
better signals.
SPO2
INCOMPATIBL
E SENSOR
No No 3 The SpO2 probe is
incompatible to the monitor,
or is damaged.
Stop using the sensor.

Mindray DPM 4 Specifications

General

Brand	Mindray
Model	DPM 4
Category	Medical Equipment
Language	English