König KN-BLDPRESS30B Instructions Download Page 2

Measuring the blood pressure

1. 

To switch on the device, press the start/stop button. The display shows all display items.

2. 

The monitor starts to seek zero pressure.

3. 

The monitor inflates the cuff until there is sufficient cuff pressure.

4. 

The monitor slowly releases air from the cuff and carries out the measurement. The display 

shows the systolic blood pressure, the diastolic blood pressure and the pulse rate. The 

results are stored in the memory automatically.

5. 

To switch off the device, press the start/stop button again.

Reading measurements from the memory

1. 

Press the memory button. The display shows the amount of results in the memory, 

followed by the most recent result.

2. 

Repeatedly press the up button or the down button to navigate through the results.

Deleting measurements from the memory

• 

When the display shows a result, press and hold the memory button for 3 seconds. All 

results in the memory are deleted.

Error codes

Error code

Cause

Solution

Bluetooth indicator 

+ Error indicator

Data communication error.

Make sure that Bluetooth is activated on 

your mobile device.

Make sure that your mobile device is 

within the Bluetooth range.

E2

The cuff is too tight during 

inflation.

Apply the cuff correctly and measure 

again.

E3

The cuff pressure is too high.

Relax for a moment and measure again 

after 5 minutes.

E9

The device has not been activated.

Reactivate the device.

E10 / E11

The device has detected motion 

during measurement.

Relax for a moment and measure again 

after 5 minutes.

E20

The device does not detect the 

pulse signal.

Loosen the clothing on the arm and 

measure again.

E21

Measurement error.

Relax for a moment and measure again 

after 5 minutes.

EExx

Calibration error.

Measure again after 5 minutes. If the 

display still shows the error code, contact 

the local distributor or the factory.

Cleaning and maintenance
Warning!

• 

Do not use cleaning solvents or abrasives.

• 

Do not clean the inside of the device.

• 

Do not attempt to repair the device. If the device does not operate correctly, replace it 

with a new device.

• 

Clean the outside of the device using a soft, damp cloth.

• 

If you use the device frequently, disinfect the cuff at least twice a week. Apply ethyl 

alcohol (75-90%) to a soft cloth, wipe the inner side of the cuff with the cloth and allow 

the cuff to dry naturally.

• 

Clean the outside of the device using a soft, damp cloth.

• 

If you use the device frequently, disinfect the cuff at least twice a week. Apply ethyl 

alcohol (75-90%) to a soft cloth, wipe the inner side of the cuff with the cloth and allow 

the cuff to dry naturally.

• 

Clean the outside of the device using a soft, damp cloth.

• 

If you use the device frequently, disinfect the cuff at least twice a week. Apply ethyl 

alcohol (75-90%) to a soft cloth, wipe the inner side of the cuff with the cloth and allow 

the cuff to dry naturally.

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