DeLonghi · ESAM4200 Espresso Machine
This light indicates a general fault, often related to the infuser or service door. The infuser may be incorrectly inserted, or the service door may not be closed properly.
Click steps to track your progress.
Ensure the service door is closed.
If the service door cannot be closed, check the infuser position.
Press the infuser where marked 'PUSH' until you hear a click.
Verify that the two red buttons on the infuser open out correctly.
Close the service door and press the power button to reset the alarm.