Error
Possible cause
message
The cuff was
not attached
correctly.
An error occur-
red during the
measurement.
The infla-
tion pressure
is higher than
300 mmHg.
There is a
system error.
The batteries are
almost empty.
10. DISPOSAL
Repairing and disposing of the device
• Do not repair or modify the device yourself. Proper operation
can no longer be guaranteed in this case.
• Do not open the device except for the battery compartment.
Failure to comply will invalidate the warranty.
Solution
Please observe the information
in chapter "Attaching the cuff".
Please wait one minute and
repeat the measurement.
Ensure that you do not speak or
move during the measurement.
Please take another measure-
ment to check whether the cuff
can be correctly inflated.
Make sure that neither your
arm nor other heavy objects are
pressing on the line, and that
the line is not bent.
If this error message appears,
please contact Customer
Services.
Insert new batteries into the
device.
• Repairs must only be carried out by Customer Services or au-
thorised retailers. Before making a complaint, first check the
batteries and replace them if necessary.
• The device must not be disposed of with household waste.
Dispose of the device at a suitable local collection or
recycling point in your country. Dispose of the device in
accordance with EC Directive – WEEE (Waste Electrical
and Electronic Equipment). Please contact the local authori-
ties responsible for waste disposal if you have any questions
regarding disposal.
Disposal of the batteries
• Used, completely discharged batteries must not be disposed
of with household waste. Dispose of the batteries in specially
designated collection boxes, at recycling points or at electron-
ics retailers. You are legally required to dispose of the batteries
correctly.
• The codes below are printed on batteries containing harmful
substances:
- Pb = battery contains lead
- Cd = battery contains cadmium
- Hg = battery contains mercury
11. TECHNICAL SPECIFICATIONS
Type
BM 28
Measurement
Oscillometric, non-invasive blood pressure
method
measurement on the upper arm
Measurement range Cuff pressure 0-300 mmHg,
systolic 50-280 mmHg,
diastolic 30-200 mmHg,
pulse 40-199 beats/minute
30