7. Error Messages and Troubleshooting
35
 
appears or the 
monitor is 
turned off 
unexpectedly 
during a 
measurement.
Batteries are depleted.
Immediately replace all 4 
batteries with new ones. 
Refer to sub-section 2.1.
Nothing 
appears on the 
display of the 
monitor.
Batteries are depleted. 
Battery polarities are not 
properly aligned.
Check the battery 
installation for proper 
placement. 
Refer to sub-section 2.1.
Readings 
appear too high 
or too low.
Blood pressure varies constantly. Many factors 
including stress, time of day, and/or how you apply 
the arm cuff, may affect your blood pressure. 
Review sub-sections 2.3 - 2.5 and section 3.
Any other 
communication 
issue occurs.
Follow the instructions shown in the smart device, 
or visit the “Support” section in the “OMRON 
connect US/CAN” app for further help. If the 
problem still persists, contact customer service. 
Refer to section 12.
Any other 
problems 
occur.
Press the [START/STOP] button to turn the monitor 
off, then press it again to take a measurement. If the 
problem continues, remove all batteries and wait for 
30 seconds. Then re-install batteries.
If the problem still persists, contact customer 
service. Refer to section 12.
Display/
Problem
Possible Cause Solution