Microlife BP 3BEO-4 - Manual (Page 12)

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* Please consult your doctor, if this or any other problem occurs repeatedly.
Other possible malfunctions and their elimination – If problems occur when using the device,
the following points should be checked and if necessary, the corresponding measures are to be taken:
☞ Further Information
The level of blood pressure is subject to fluctuations even with healthy people. Important thereby
is, that comparable measurements always require the same conditions (rest conditions)!
You must consult your specialist dealer or chemist if there are technical problems with the blood
pressure instrument. Never attempt to repair the instrument yourself!
Any unauthorised opening of the instrument invalidates all guarantee claims!
Malfunction Remedy
The display remains empty when the
instrument is switched on although the
batteries are in place. 1. Check whether the batteries are installed with
the correct polarity and correct if necessary.
2. If the display is unusual, re-insert batteries or
exchange them.
The device frequently fails to measure the
blood pressure values, or the values
measured are too low (too high). 1. Check the positioning of the cuff.
2. Measure the blood pressure again in complete
peace and quiet under observance of the details
made under point 5.
Every measurement results in different
values although the device functions nor-
mally and the values displayed are normal. • Please read the following information and the
points listed under «Common sources of error».
Repeat the measurement.
The blood pressure values measured differ
from those measured by the doctor. • Record the daily development of the values and
consult your doctor about them.
Error No. Possible cause(s)
ERR 1 No pulse has been detected.
ERR 2 Unnatural pressure impulses influence the measurement result. Reason: The
arm was moved during the measurement (Artefact).
ERR 3 The inflation of the cuff takes too long. The cuff is not correctly seated.
ERR 5 The measured reading indicated an unacceptable difference between systolic
and diastolic pressures. Take another reading following directions carefully.*
HI The pressure in the cuff is too high (over 300 mmHg) OR the pulse is too high
(over 200 beats per minute). Relax for 5 minutes and repeat the measurement.*
LO The pulse is too low (less than 40 beats per minute). Repeat the measurement.*