Troubleshooting, E-20 – LifeSource UA-789 User Manual
Page 24
LifeSource Health Line (toll-Free): 1-888-726-9966
E-20
TROUBLESHOOTING
problem
probable cause
Corrective action
Nothing appears in the
display, after I press the
START button.
Batteries are drained.
Replace all batteries with
new ones. Alkaline batteries
recommended.
Battery terminals are not in
the correct position.
Reinstall the batteries with
negative and positive
terminals matching those
indicated in the battery
compartment.
The cuff does not inflate. Battery voltage is too low.
Low battery symbol blinks.
[If the batteries are drained
completely, the mark does
not appear.]
Replace all batteries with
new ones. Alkaline batteries
recommended.
The unit does not mea-
sure. Readings are too
high or too low.
The cuff is not fastened
properly.
Fasten the cuff correctly.
You moved your arm or
body during the measure-
ment.
Make sure you remain very
still and quiet during the
measurement.
The cuff position is not
correct.
Sit comfortably and still.
Make sure the cuff is at the
same level as your heart.
You are using the wrong
size cuff.
See Pg. E-5 "Selecting the
Correct Cuff."
The value is different
from that measured at a
clinic or doctor’s office.
The healthcare professional
may be using a different
sized cuff.
See Pg. E-18 "Answers to
Why Your Readings Are
Different Between Home
and the Doctor’s Office."
Your measurements may
be elevated by white coat
hypertension
See Pg. E-17 "Why Measure
Blood Pressure at Home."
notE: If the actions described above do not solve the problem, call
1-888-726-9966 (In Canada - 1-800-461-0991). Do not attempt to repair the device your-
self as this may void your warranty.