Accutorr V Operating Instructions 0070-10-0699-02 3 - 51
Operation Status and Error Codes
3.17.6 Nellcor SpO
2
Module Alarm Messages
3.17.7 DPM SpO
2
Module Alarm Messages
ALARM MESSAGE A B LEVEL CAUSE ACTION
SPO2 SENSOR OFF No Yes * The sensor is
disconnected from the
patient or the monitor.
Make sure that the sensor
is placed at an
appropriate position and
the monitor is connected to
cables correctly.
SPO2 NO SENSOR No Yes L The sensor is
disconnected from the
patient or the monitor, or
the sensor is not
connected properly.
Disconnect and reconnect
the sensor as directed by
the instructions. If the
alarm remains, the sensor
or the cable might have
been damaged.
SpO
2
sensor is reversed. Disconnect and reconnect
the sensor as directed by
the instructions. Pay
attention to the mark on
the sensor.
SPO2 INTERFERENCE No No L The pulse signals are
subject to great external
interference.
Reduce or remove external
interference.
SPO2 BOARD FAULT No No L The SpO
2
board
malfunctions and might
be unable to measure
the pulse signals
correctly.
Stop using the SpO
2
module, and contact
biomedical engineers or
us for maintenance.
SPO2 SENSOR CHECK No No L
SPO2 SENSOR FAULT No No L The sensor is damaged. Stop using the sensor.
SPO2 WEAK SIGNAL No No L The SpO
2
signal is
weak.
Change the sensor site for
better signals.
The “A” field indicates whether all alarm indications can be cleared or not, and the “B” field indicates whether all alarm
indications except the alarm message can be cleared or not. The alarm levels are H = high and L = low.
* The alarm level is user-adjustable.
MESSAGE/ISSUE REASON SOLUTION
SPO2 SENSOR
OFF
SpO
2
sensor may be disconnected
from the patient or the monitor
Plug the sensor into the monitor or
the sensor into the cable. Place the
sensor on the patient
SPO2 INIT ERR1 SpO
2
module failure Notify hospital technician or
service personnel
SPO2 COMM
STOP
SpO
2
module failure or
communication error
Notify hospital technician or
service personnel
SPO2 COMM ERR SpO
2
module failure or
communication error
Notify hospital technician or
service personnel
SPO2 ALM LMT
ERR
Functional failure Notify hospital technician or
service personnel
PR ALM LMT ERR Functional failure Notify hospital technician or
service personnel
SPO2 EXCEED SpO
2
value exceeds the measurement
range
Check patient, notify physician
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