15
EN
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:
Malfunction Remedy
The display remains empty
when the instrument is
switched on although the
batteries are in place.
1. Check batteries for correct polarity and if necessary insert
correctly.
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 cu.
2. Measure the blood-pressure again in peace and quiet
under observance of the details made under point 5.
Every measurement
produces a dierent value
although the instrument
functions normally and
the values displayed are
normal
1. Please read the following information and the points
listed under “Common” sources of error. Repeat the
measurement.
Pleasenote:Bloodpressureuctuatescontinuallyso
successive measurements will show some variability.
Blood pressure measured
diers from those values
measured by the doctor.
1. Record the daily development of the values and consult
your doctor. Please note: Individuals visiting their doctor
frequently experience anxiety which can result in a
higher reading at the doctor than obtained at home
under resting conditions.
8. Care and Maintenance, Recalibration
a) Do not expose the device to extreme temperatures, humidity, dust or direct
sunlight.
b) The cu contains a sensitive air-tight bubble. Handle this carefully and avoid
all types of straining through twisting or buckling.
c) Clean the device with a soft, dry cloth. Do not use petrol, thinners or similar
solvent. Spots on the cu can be removed carefully with a damp cloth and
soapsuds. The cu must not be washed!
d) Do not drop the instrument or treat it roughly in any way. Avoid strong
vibrations.
e) Never open the device! Otherwise the manufacturer calibration becomes
invalid!
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