!!
critical Omron
Error Code Er
The monitor has malfunctioned or cannot connect to a smart device/transmit data correctly.
? What Causes This
Internal failure; connection issues with the app
✓ How to Fix It
- Restart measurement if using manually.
- Follow troubleshooting instructions in compatible OMRON app.
- Contact customer service.
Source: page 38 of the official manual
From the manual
This error code appears in:
Omron BP7250 Blood Pressure Monitor