!
error Beko
Error Code Er 1 - Er 7
Communication errors — general communication failures between oven components.
? What Causes This
Control board communication failure or sensor malfunction.
✓ How to Fix It
Consult an authorized service for the error to be resolved.
Source: page 37 of the official manual
From the manual
This error code appears in:
Beko Bbie12300Xmp Built In Oven