Microlife BP 3BTO-AP, Instruction Manual

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Error No. Possible cause(s)
ERR 1 The systolic pressure was determined but afterwards the cuff pressure fell below 20 mmHg.
The tube may have become unplugged after the systolic blood pressure was measured.
Further possible cause: No pulse could be detected
ERR 2 Unnatural pressure impulses impair the measurement result. Possible cause: The arm was
moved during the measurement (artefact).
ERR 3 Inflation of the cuff takes too long. The cuff is not correctly seated or the hose connection is
not sealed.
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
instrument is switched. Batteries have
been installed.
The pressure does not rise although the
pump is running.
The instrument frequently fails to measure
the blood pressure values, or the values
measured are too low (too high).
Every measurement produce different value
although the instrument functions normally
and the values displayed are normal
Blood pressure values measured differ from
those measured by the doctor.
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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)!
For licensing, this device has been subjected to strict clinical tests and supervised by experienced Cardiac
Specialists.
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!
1. Check the polarity of the batteries (+/-)
2. If the display is erratic or unusual, remove the batteries
and re-install new batteries.
• Check the connection of the cuff tube and connect
properly if necessary.
1. Ensure the cuff fits correctly.
2. Make sure that the cuff is not fitted too tightly. Ensure
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.
• 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 consult
your doctor.