ERR 5 The measured readings indicated an unacceptable difference between systolic and diastolic
pressures. Take another reading following directions carefully. Contact you doctor if you
continue to get unusual readings.
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 possible solutions – 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 1. Check the polarity of the batteries (+/-)
instrument is switched. Batteries have 2. If the display is erratic or unusual, remove the batteries
been installed. and re-install new batteries.
The pressure does not rise although the • Check the connection of the cuff tube and connect
pump is running. properly if necessary.
The instrument frequently fails to measure 1. Ensure the cuff fits correctly.
the blood pressure values, or the values 2. Make sure that the cuff is not fitted too tightly. Ensure
measured are too low (too high). tight clothing such as a a rolled-up sleeve isn’t exerting
pressure on the arm above the measuring position. Take
off articles of clothing if necessary.
3. Measure blood pressure again in complete peace and quiet.
Every measurement produce different value •Please read the following information and the points
although the instrument functions normally listed under «Common sources of error». Repeat the
and the values displayed are normal. measurement.
Blood pressure values measured differ from • Record the daily development of the values and consult
those measured by the doctor. your doctor.
☞ Further information
The level of blood pressure is subject to fluctuations even in healthy people. It is important to compare
measurements taken under the same conditions and at the same time of day. (Quiet conditions)!
If you have any questions regarding the use of this blood pressure monitor, please ask your dealer or
pharmacist for the Microlife Service representative in your country. The Microlife Service Team will be
happy to help you. Never attempt to repair the instrument yourself!
Any unauthorized opening of the instrument invalidates all guarantee claims!
7. Care and Maintenance, Recalibration
a) Do not expose the device to either extreme
temperatures, humidity, dust or direct sunlight.
b) The cuff contains a sensitive air-tight bubble. Handle
the cuff carefully and avoid all types of straining
through twisting or buckling.
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