EN4
EN
3.  Error Messages and Troubleshooting
If any of the below problems occur during measurement, check to make sure that no other electrical device is within 30 cm. If the problem persists, 
please refer to the table below.
Display/Problem Possible Cause Solution
appears or the 
arm cuff does not 
inflate.
The [START/STOP] button was pressed 
while the arm cuff is not applied.
Press the [START/STOP] button again to turn the monitor 
off. After inserting the air plug securely and applying the 
arm cuff correctly, press the [START/STOP] button.
Air plug is not completely plugged 
into the monitor.
Insert the air plug securely.
The arm cuff is not applied correctly.
Apply the arm cuff correctly, then take another 
measurement. Refer to section 5 of instruction manual 
.
Air is leaking from the arm cuff. Replace the arm cuff to the new one. Refer to section 12 
of instruction manual 
.
appears or a 
measurement 
cannot be 
completed after the 
arm cuff inflates.
You move or talk during a 
measurement and the arm cuff does 
not inflate sufficiently.
Remain still and do not talk during a measurement. If 
“E2” appears repeatedly, inflate the arm cuff manually 
until the systolic pressure is 30 to 40 mmHg above your 
previous readings. Refer to section 11 of instruction 
manual 
.
Due to the systolic pressure is above 
210mmHg, a measurement cannot 
be taken.
appears
The arm cuff is inflated exceeding the 
maximum allowable pressure.
Do not touch the arm cuff and/or bend the air tube while 
taking a measurement. If inflating the arm cuff manually, 
refer to section 11 of instruction manual 
.
appears
You move or talk during a 
measurement. Vibrations disrupt a 
measurement.
Remain still and do not talk during a measurement.
appears
The pulse rate is not detected 
correctly.
Apply the arm cuff correctly, then take another 
measurement. Refer to section 5 of instruction manual 
. 
Remain still and sit correctly during a measurement.
If the “   ” symbol continues to appear, we recommend 
you to consult with your physician.
/ / 
appears
does not flash during 
a measurement