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6. Error messages/malfunctions
If an error occurs during a measurement, the measurement
is discontinued and a corresponding error code is displayed.
(Example Error no. 1)
Error No.
Possible cause(s)
ERR 1
The systolic pressure was determined but afterwards the cuff pressure fell below 20 mmHg.
This situation can occur, for example, if the tube becomes unplugged after the systolic blood
pressure has been measured. Further possible cause: No pulse has been detected.
ERR 2
Unnatural pressure impulses influence the measurement result. Reason: The arm was moved
during the measurement (Artefact).
ERR 5
The measured results have indicated an unacceptable difference between the systolic and
diastolic pressure. Take another measurement, carefully following the instructions. Contact
your doctor, if you still obtain unusual results.
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.*
* 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 fol-
lowing points should be checked and if necessary, the corresponding measures are to be taken:
Malfunction
The display remains empty when the instrument
is switched on although the batteries are in
place.
The pressure does not rise although the pump is
running.
The device frequently fails to measure the blood
pressure values, or the values measured are too
low (too high).
Every measurement results in different values al-
though the device functions normally and the
values displayed.
The blood pressure values measured differ from
those measured by the doctor.
8
Remedy
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 ex-
change them.
• Check the connection of the cuff tube and connect
properly if necessary.
1. Fit the cuff correctly on the arm.
2. Before starting the measurement make sure that the
cuff is not fitted too tightly and that there is no rolled-
up sleeve exerting pressure on the arm above the
measuring position. Take off articles of clothing if
necessary.
3. Measure the blood pressure again in complete peace
and quiet.
• Please read the following information and the points
listed under «Common sources of error». Repeat the
measurement.
• Record the daily development of the values and con-
sult your doctor about them.
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