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7. Error Messages and Troubleshooting
 
appears
The monitor cannot 
connect to a smart 
device or transmit data 
correctly.
Follow the instructions 
shown in the “OMRON 
connect US/CAN” app. If 
the “Err” symbol still 
appears after checking 
the app, contact customer 
service. Refer to 
section 12.
 
flashes
The monitor is waiting 
for pairing with the smart 
device.
Refer to sub-section 4.1 
for pairing your monitor 
with your smart device, or 
press the [START/STOP] 
button to cancel pairing 
and turn your monitor off.
 
flashes
The monitor is ready to 
transfer your readings to 
the smart device.
Open the “OMRON 
connect US/CAN” app to 
transfer your readings.
 
flashes
There are more than 80 
readings in memory to 
be transferred.
Pair or transfer your 
readings to the “OMRON 
connect US/CAN” app so 
you can keep them in 
memory in the app, and 
this error symbol 
disappears. 
The date and time is not 
set.
 
appears
There are 100 readings 
in memory to be 
transferred.
 
flashes
Batteries are low.
Replacing all 4 batteries 
with new ones is 
recommended. Refer to 
sub-section 2.1.
Display/
Problem
Possible Cause Solution