Troubleshooting
Problem
A dash (-) appears
in the %SpO
2
display.
An error code
appears in the
display area.
Possible Cause
An inadequate signal
from the finger is being
detected.
The finger was
removed from the
sensor.
The Model 7500FO is
not functioning.
The Model 7500FO
encountered an error.
Possible Solution
Reposition finger or insert a
different finger, keeping sensor
motionless for at least 10 seconds.
Position sensor at different site.
Reinsert the finger and keep the
sensor motionless for at least 10
seconds.
Turn the unit off, check all
connections, and retry.
Contact NONIN Customer
Support.
Turn the unit off and then back on
again to remove the error code.
If the error persists, disconnect all
power, and then reconnect the
power and turn the unit back on.
If the error still persists, note the
error code and contact NONIN
Customer Support.
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