11. Error Messages and Troubleshooting
EN48
 
appears
The monitor cannot connect to a 
smartphone or transmit blood pressure 
readings correctly.
Follow the instructions shown in the “OMRON connect” app. If 
the “Err” symbol still appears after checking the app, contact your 
OMRON retail outlet or distributor.
 
flashes
The monitor is waiting for pairing with the 
smartphone.
Refer to sub-section 2.2 for pairing your monitor with your 
smartphone or press the BP [START/STOP] button to cancel 
pairing and turn your monitor off.
 
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The monitor is ready to transfer blood 
pressure readings to the smartphone.
Open the “OMRON connect” app to transfer your blood pressure 
readings.
 
flashes
Internal stored blood pressure memory is 
almost full.
Pair or transfer your blood pressure readings to the “OMRON 
connect” app so you can keep them in memory in the app, and 
this error symbol disappears.
 
appears
Internal stored blood pressure memory is 
completely full.
BP reading display / 
Problem
Possible Cause Solution