9 an error is displayed
Error display Possible reason Remedy
20
The cuff position is not correct.
The unit interrupts the measuring
and increases the cuff pressure.
You have moved during
the measuring.
The batteries are empty.
The display remains blank.
Batteries are not inserted
or inserted wrongly
or batteries are depleted.
Put on the cuff correctly.
Do not move
while the measuring
continues.
Replace the empty batteries
by new size „AAA“
1.5V batteries.
Insert batteries.
Check the battery position
or replace batteries.
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