4. Error Messages and Troubleshooting
28
Nothing happens when you press the 
buttons.
The batteries are empty.
Replace the batteries with new 
ones.
Refer to section 2.1.
The batteries have been inserted 
incorrectly.
Insert the batteries with the correct 
(+/-) polarity.
Refer to section 2.1.
Connection failure.
Data cannot be sent.
The destination device is too far away from the monitor. After checking 
that there are no sources of interference nearby, move the device to a 
distance within 16 ft. (5 m) of the monitor.
The Bluetooth
®
 function on the destination device is turned off. Turn on 
the Bluetooth
®
 function and try sending the data again.
The Bluetooth
®
 function on the monitor is not turned on. Press the   
button, turn on the Bluetooth
®
 function and try sending the data again.
Pairing (registering) has not been completed. Perform pairing 
(registration). 
Refer to “Using this device with a Smartphone” in section 2.2.
The blood pressure monitor is not ready, follow the step in section 2.3 
“Setting the Date and Time Manually”.
The application on the destination device is not ready. Check the 
application then try sending the data again. 
Refer to “Using this device with a Smartphone” in section 2.2.
If the Err symbol still lights after checking the application, contact 
customer service.
Other problems.
• Press the START/STOP button and repeat measurement.
• Replace the batteries with new ones.
If the problem continues, contact your OMRON retail outlet or distributor.
Problem Cause Solution