M_3AS1_2_E&TR_rev2.qxd 09.04.2007 15:55 Page 10
Other possible malfunctions and their elimination 7. Care and maintenance, recalibration
If problems occur when using the device, the following points should be checked and if necessary, the
corresponding measures are to be taken: a) Do not expose the device to either extreme
temperatures, humidity, dust or direct sunlight.
Malfunction Remedy
The display remains empty when the instrument is 1. Check whether the batteries are installed with
switched on although the batteries are in place. the correct polarity and correct if necessary.
2. If the display is unusual, remove the batteries and b) The cuff contains a sensitive air-tight bubble. Handle
then exchange them for new. this carefully and avoid all types of straining through
The pressure does not rise although the • Check the connection of the cuff tube and twisting or buckling.
pump is running. connect properly if necessary.
The device frequently fails to measure the blood 1. Fit the cuff correctly on the arm.
pressure values, or the values measured are too 2. Before starting the measurement make sure
low (too high). that the cuff is not fitted too tightly and that c) Clean the device with a soft, dry cloth. Do not use
there is no rolled-up sleeve exerting pressure on petrol, thinners or similar solvent. Spots on the cuff can
the arm above the measuring position. be removed carefully with a damp cloth and soapsuds.
Take off articles of clothing if necessary. The cuff must not be washed!
3. Measure the blood pressure again in complete
peace and quiet.
Every measurement results in different values, • Please read the following information and
although the device functions normally and normal the points listed under «Common sources of d) Handle the tube carefully. Do not pull on it. Likewise,
values are displayed. error». Repeat the measurement. this is not to be buckled or laid over sharp edges.
The blood pressure values measured differ form • Record the daily development of the values
those measured by the doctor and consult your doctor about them.
e) Do not drop the instrument or treat it roughly in any
t Further information way. Avoid strong vibrations.
The level of blood-pressure is subject to fluctuations even with healthy people. Important thereby is, that
comparable measurements always require the same conditions (Quiet conditions)!
If, in spite of observing all these factors, the fluctuations are larger than 15 mmHg, and/or you hear irregular
pulse tones on several occasions, please consult your doctor. f) Never open the device! Otherwise the manufacturer
calibration becomes invalid!
For licensing, the device has been subjected to strict clinical tests, by which the computer programme used to
measure the blood-pressure values was tested by experienced specialist doctors in Germany. The same
computer programme is used in every individual device, and has thus also been clinically tested. Periodical recalibration
The manufacture of the devices takes place according to the terms of the European standard for blood- Sensitive measuring devices must from time to time be checked for accuracy. We therefore recommend a
pressure measuring devices (see technical data) under the supervision of the Technical Monitoring periodical inspection of the static pressure display every 2 years.
Association Essen (RWTüV-Essen). Your specialist dealer would be pleased to provide more extensive information about this.
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!
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