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7. Error Messages and Troubleshooting
If any of the below problems occur during measurement, check to
make sure that no other electrical device is within 12 inches (30 cm).
If the problem persists, refer to the table below.
Display/
Problem
Possible Cause
Solution
appears or the
arm cuff does
not inflate.
The [START/STOP]
button was pressed
while the arm cuff is not
applied.
Press the [START/STOP]
button again to turn the
monitor off. After inserting
the air plug securely and
applying the arm cuff
correctly, press the
[START/STOP] button.
Air plug is not
completely plugged into
the monitor.
Insert the air plug
securely. Refer to
The arm cuff is not
applied correctly.
Apply the arm cuff
correctly, then take
another measurement.
Refer to sub-section 2.6.
Air is leaking from the
arm cuff.
Replace the arm cuff with
a new one. Refer to
