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Table 14: Common Problems and Resolutions
Problem
The Pulse Search Indicator is lit
for more than 10 seconds
(before any measurements are
taken).
N-600x Operator's Manual
Resolution
•
Check the O
M
sensor directions for
XI
AX
use to determine if an appropriate
O
M
sensor is being used and if it is
XI
AX
applied properly. Check O
and pulse oximetry cable connections.
Test the O
M
sensor on another
XI
AX
patient and/or try another O
or pulse oximetry cable.
•
Perfusion may be too low for the N-600x
to track the pulse. Check the patient.
Test the instrument on someone else.
Change the O
M
XI
AX
another type of O
XI
•
Interference may be preventing the
N-600x from tracking the pulse. Keep
the patient still, if possible. Verify that
the O
M
sensor is securely applied
XI
AX
and replace it if necessary. Change the
O
M
sensor site. Electromagnetic
XI
AX
interference may be preventing the
N-600x from tracking the pulse. Remove
the source of interference and/or try to
stabilize the environment.
•
Use a type of O
M
XI
tolerates more patient movement; for
example, an adhesive O
•
The O
M
sensor may be too tight,
XI
AX
there may be excessive ambient light, or
the O
M
sensor may be on an
XI
AX
extremity with a blood pressure cuff,
arterial catheter, or intravascular line.
Reposition the O
M
XI
necessary.
Troubleshooting
M
sensor
XI
AX
M
sensor
XI
AX
sensor site. Try
M
sensor.
AX
sensor that
AX
M
sensor.
XI
AX
sensor, as
AX
145
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