Covidien Nellcor OxiMax N-600x Operator's Manual page 154

Troubleshooting
Table 14: Common Problems and Resolutions
Problem
The Pulse Search Indicator
illuminates after successful
measurements have been
made.
146
Resolution
• Check the status of your patient.
• Perfusion may be too low for the
monitor to track the pulse. Test the
instrument on another patient. Change
the O M sensor site and/or try
XI AX
another type of O
XI
• Interference may be preventing the
N-600x from tracking the pulse. Verify
the O M sensor is securely applied
XI AX
and replace it if necessary. Change the
O M sensor site. Use a type of O
XI AX
sensor that tolerates more patient
movement; for example, an adhesive
O M sensor. Electromagnetic
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interference may be preventing the
N-600x from tracking the pulse. Remove
the source of interference and/or try to
stabilize the environment.
• The O M sensor may be too tight,
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there may be excessive ambient light, or
the O M sensor may be on an
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extremity with a blood pressure cuff,
arterial catheter, or intravascular line.
Reposition the O M
XI
necessary.
N-600x Operator's Manual
M sensor.
AX
M
XI AX
sensor, as
AX