Omron HEM-7530T-E3 Instruction Manual page 49

11. Error Messages and Troubleshooting
BP reading display /
Problem
appears
flashes
flashes
flashes
appears
EN48
Possible Cause
The monitor cannot connect to a
smartphone or transmit blood pressure
readings correctly.
The monitor is waiting for pairing with the
smartphone.
The monitor is ready to transfer blood
pressure readings to the smartphone.
Internal stored blood pressure memory is
almost full.
Internal stored blood pressure memory is
completely full.
Solution
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.
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.
Open the "OMRON connect" app to transfer your blood pressure
readings.
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.