22 •
ENGLISH
TROUBLESHOOTING
Problem
Possible Cause
Solution
Cuff is too tight or not
properly positioned on
the arm.
Inaccurate test results due to
body movement or monitor
movement.
Cuff fails to in
fl
ate properly.
Improper operation.
Pressurization is over
cuff rated pressure
300mmHg
Blood pressure
results are not
within typical
range
“Err” displayed
Firmly reposition cuff
approximately 1–2cm (1/2”)
above the elbow joint.
Sit in a relaxed position with
arm placed near heart. Avoid
speaking or moving body parts
while testing. Make sure the
monitor unit is placed in a
stationary position throughout
the testing period.
Make sure hose is properly
fastened to cuff and monitor unit.
Read user manual carefully and
re-test properly.
Read user manual carefully and
re-test properly.