Welch Allyn ProBP 2400 User Manual page 30

«Err 3» No pressure in
the cuff
«Err 5» No valid
results
30
An adequate pressure
cannot be generated in
the cuff. A leak may have
occurred. Replace the
blood pressure cuff if
necessary. Repeat the
measurement.
The measuring signals are
inaccurate therefore no
result can be displayed.
Switch to Manual
Mode and determine
blood pressure with
a stethoscope using
traditional Korotkoff
method.
«HI» Pulse rate or
cuff pressure
too high
Pulse too low
«LO»
The pressure in the cuff
is too high (over 300
mmHg) OR the pulse is too
high (over 200 beats per
minute). Have the patient
relax for 5 minutes and
repeat the measurement.
The pulse is too low (less
than 40 beats per minute).
Repeat the measurement.