25
ERROR INDICATORS
SYMBOL CAUSE CORRECTION
Wrist cuff not applied 
correctly.
Apply the wrist cuff correctly. Refer to
“Applying the Wrist Cuff”.
Replace the two batteries.
Refer to “Battery Installation”.
Do not hold the wrist cuff. Remain still
and do not talk during measurement.
Refer to “Taking a Measurement”.
Remain still until the measurement is
complete. Refer to “Taking a
Measurement”.
Contact Customer Service.
Apply the wrist cuff correctly. Refer to
“Applying the Wrist Cuff”.
Remain still and do not talk during
measurement. Refer to “Taking a
Measurement”.
Movement during 
measurement.
Wrist cuff not applied 
correctly or movement 
during measurement.
Arm position changed 
during measurement.
Device error.
Batteries are low.