Operation Manual
6
When the mains adapter is connected, no battery current is 
consumed.
9. Error Messages
If an error occurs during the measurement, the measurement is 
interrupted and an error message, e.g. «ERR 3», is displayed.
* Please consult your doctor, if this or any other problem occurs 
repeatedly.
If you think the results are unusual, please read through the 
information in «Section 1.» carefully.
10.Safety, Care, Accuracy Test and Disposal
Safety and protection
 This device may only be used for the purposes described in 
these instructions. The manufacturer cannot be held liable for 
damage caused by incorrect application.
 This device comprises sensitive components and must be 
treated with caution. Observe the storage and operating condi-
tions described in the «Technical Specifications» section.
 Protect it from:
- water and moisture
- extreme temperatures
- impact and dropping
- contamination and dust
- direct sunlight
- heat and cold
 The cuffs are sensitive and must be handled with care.
 Do not exchange or use any other kind of cuff or cuff connector 
for measuring with this device.
 Only pump up the cuff once fitted.
 Do not use this device close to strong electromagnetic fields 
such as mobile telephones or radio installations.
 Do not use this device if you think it is damaged or notice 
anything unusual.
 Never open this device.
 If the device is not going to be used for a prolonged period the 
batteries should be removed.
 Read the additional safety information in the individual sections 
of this instructions.
Ensure that children do not use this device unsupervised; 
some parts are small enough to be swallowed.
Device care
Clean the device only with a soft, dry cloth.
Cleaning the cuff
Carefully remove spots on the cuff with a damp cloth and soapsuds.
WARNING: Do not wash the cuff in a washing machine or 
dishwasher!
Error Description Potential cause and remedy
«ERR 1» Signal too 
weak
The pulse signals on the cuff are too 
weak. Re-position the cuff and repeat the 
measurement.*
«ERR 2»
BN
Error signal During the measurement, error signals 
were detected by the cuff, caused for 
instance by movement or muscle 
tension. Repeat the measurement, 
keeping your arm still.
«ERR 3»
BK
No pressure 
in the cuff
An adequate pressure cannot be gener-
ated in the cuff. A leak may have 
occurred. Check that the cuff is correctly 
connected and is not too loose. Replace 
the batteries if necessary. Repeat the 
measurement.
«ERR 5» Abnormal 
result
The measuring signals are inaccurate 
and no result can therefore be displayed. 
Read through the checklist for 
performing reliable measurements and 
then repeat the measurement.*
«ERR 6» MAM Mode  There were too many errors during the 
measurement in MAM mode, making it 
impossible to obtain a final result. Read 
through the checklist for performing reli-
able measurements and then repeat the 
measurement.*
«HI» Pulse or cuff 
pressure 
too high
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» Pulse too 
low
The pulse is too low (less than 40 beats 
per minute). Repeat the measurement.*










