6. Explanation of error displays
Error which has
occurred
Device will not turn
on.
Cuff will not inflate.
Possible causes
No batteries, they have
been inserted incorrect-
ly or are dead.
Mains adapter not
correctly connected or
defective.
Cuff connector is
incorrectly positioned in
the connecting socket
of the device.
Wrong cuff type
connected.
Because of external dis-
turbances, the meas-
ured value could not be
accurately determined.
Cuff is too loosely
applied.
108
Remedy
Check batteries and
insert four identical, new
batteries, if and when
necessary.
Ensure the mains
adapter is plugged in
the connecting socket
on the rear side of the
device.
Check connection
between the red cuff
connector and the red
connecting socket.
Check to make sure that
only the approved
Tensoval duo control
cuffs and the corre-
sponding connectors
were used.
Make sure to abide by
the 10 rules as well as
the instructions in
Chapter 3.3 and take
the measurement again.
Apply the cuff so that
you are able to push
about two fingers
between the cuff and
the upper arm.