VS 8/VS 8A Vital Signs Monitor Operator’s Manual D - 3
D.2.1 General Technical Alarm Messages
Note:XX represents a measurement or parameter label, such as SpO
2
, NIBP and so on.
D.2.2 SpO
2
Technical Alarm Messages
Alarm message
Default
priority
Indication on
alarm reset
Cause and solution
XX Module Error High C XX module does not work properly.
Contact your service personnel.
Alarm message
Default
priority
Indication on
alarm reset
Cause and solution
SpO2 Sensor Off Low B The SpO
2
sensor has become
detached from the patient or the
module. Check the sensor
connection. If the alarm persists,
replace the sensor.
SpO2 No Sensor Low A The SpO
2
extension cable is
detached from the SpO
2
module, or
the SpO
2
sensor is detached from
the SpO
2
extension cable. Check the
SpO
2
cable and the sensor
connection. If the alarm persists,
replace the sensor.
SpO2 Excess
Light
Low C Ambient light is too strong. Move the
sensor to a place with lower level of
ambient light or cover the sensor to
minimize the ambient light.
SpO2 No Pulse Low C The SpO
2
sensor failed to obtain
pulse signal. Check the patient’s
condition and replace the sensor
application site. If the alarm persists,
replace the sensor.
SpO2 Sensor
Incompatible
Low C Incompatible or an unspecified SpO
2
sensor is used. Use specified sensors.
D - 4 VS 8/VS 8A Vital Signs Monitor Operator’s Manual
SpO2 Low Signal
Quality
Low C 1. Check the sensor and sensor
position.
2. Make sure the patient is not
shivering or moving.
3. The patient’s pulse may be too low
to be measured.
SpO2
Interference
Low C The SpO
2
signal has interference.
Check for any possible sources of
signal noise and check the patient
for excessive motion.
SpO2 Sensor
Error
Low C Replace the sensor and measure
again.
SpO2 Searching
Pulse
Prompt / SpO
2
is searching for pulse.
SpO2 Low
Perfusion
Prompt / The SpO
2
sensor is not properly
placed or the patient’s perfusion
index is too low.
1. Check the sensor and sensor
position.
2. Reposition the sensor if necessary.
Replace SpO2
Cable
Low C The SpO
2
cable expired, cannot be
recognized, or failed. Replace the
SpO
2
cable.
Prompt The SpO
2
cable is about to expire.
Replace the SpO
2
cable.
Incompatible
SpO2 Cable
Low C The SpO
2
cable connected is not
compatible with the equipment.
Replace the SpO
2
cable.
Replace SpO2
Sensor
Low C The SpO
2
sensor expired. Replace
the SpO
2
sensor.
Prompt The SpO
2
sensor is about to expire.
Replace the SpO
2
sensor.
Check SpO2
Sensor
Connection
Low C No SpO
2
sensor is connected.
Connect an SpO
2
sensor.
Alarm message
Default
priority
Indication on
alarm reset
Cause and solution
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