Perhaps the used cuff does not fit
the patient type sey.
Check if the patient type is set up
correctly. Check whether the cuff
conforms to the patient's type.
Check the connection of each part or
replace with a new cuff. If the failure
still exists, contact the manufacturer for
repair.
Problem happens when measuring
the curve. The system cannot
perform measurement, analysis or
calculation.
Check the connection of each part and
the patient situation. Measure again, if
the failure still exists, contact the
manufacturer for repair.