User's Manual

35
Troubleshooting
Problem Possible Cause Possible Solution
The display unit will
not activate.
The unit has no power. Plug in the AC adapter.
The display unit will
not operate on
batteries.
The battery pack is not
connected.
Check the battery pack
connection.
The battery pack is not
charged.
Plug in the AC Adapter to
charge the battery pack.
The battery pack is
inoperable.
Contact your distributor or
NONIN Customer Support
for repair or replacement.
You are unable to
obtain a green pulse
display on the
bargraph.
The patient pulse
strength is low or
perfused poorly.
Reposition the digit or insert a
different digit, and keep the
sensor motionless for at least
10 seconds.
Warm the digit by rubbing or
covering with a blanket.
Position the sensor at a
different site.
NOTE: In some
instances, patient perfusion
may be inadequate for pulse
detection.
Circulation is reduced
because of excess
pressure on the sensor
(between the sensor and a
hard surface) after
inserting digit.
Allow the hand to rest
comfortably without squeezing
or pressing the sensor on a
hard surface.
The digit is cold. Warm the digit by rubbing or
covering with a blanket.
Position the sensor at a
different site.
The POD is not
connected to the display.
Verify that the POD is paired
with the display.