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9 Error classification and correction
9.1 Error numbers
Number
Cause
Err 01
Movement artefact
Err 02
Cuff
Err 03
System error
Pneumatic defect
Err 04
Battery failure
40
Correction
Hold arm still and level with heart and
repeat measurement
• Put on cuff correctly (see 4.2)
• The wrist circumference must be
between 14 cm and 19.5 cm
Do not take further readings
and contact dealer
Change battery (see 4.1)