32
7. 
Error Messages and Troubleshooting
If any of the below problems occur during measurement, check to 
make sure that no other electrical device is within 12 inches (30 cm). 
If the problem persists, refer to the table below.
Display/
Problem
Possible Cause Solution
 
appears or the 
arm cuff does 
not inflate.
Air plug is not 
completely plugged into 
the monitor.
Insert the air plug 
securely. Refer to sub-
section 2.4.
The arm cuff is not 
applied correctly.
Apply the arm cuff 
correctly, then take 
another measurement. 
Refer to sub-section 2.4.
Air is leaking from the 
arm cuff.
Replace the arm cuff with 
a new one. Refer to 
section 9.
 
appears or a 
measurement 
cannot be 
complete 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 sub-section 3.1.
The systolic pressure is 
above 210 mmHg and a 
measurement cannot be 
taken.
Inflate the arm cuff 
manually until the systolic 
pressure is 30 to 
40 mmHg above your 
previous readings. Refer 
to sub-section 3.1.