CodeRegistry
Brands
  1. Home
  2. DeLonghi
  3. ESAM4200 Espresso Machine
  4. light 11 flashes
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

light 11 flashes

No Water/Water Tank Absent light flashes and machine is noisy — Steam knob is open

DeLonghi · ESAM4200 Espresso Machine

What does light 11 flashes mean?

If the machine cannot make coffee and makes excessive noise while the water tank light flashes, it means the steam knob is open.

Common Causes

  • Steam knob is in the open (anticlockwise) position.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn the steam knob clockwise all the way until it stops (closed position).

  2. 2

    Check that the steam knob is completely closed before attempting to make coffee.

  3. 3

    If the light continues to flash, turn the machine off, close the knob, and restart.

Browse all codes in this manual (13)
Verified technical data. Last updated: April 2026

Related Faults

coffee delivered too fast, not creamyCoffee delivered too fast and not creamy enough — Grinding coarseness or quantity adjustment neededcoffee delivered too slowlyCoffee delivered too slowly (in drops) — Grinding coarseness or quantity adjustment neededlight 1 and 2 flashOne and Two Cup lights flash — Machine not at ideal coffee temperature
Source: DeLonghi ESAM4200 Espresso Machine
Open Manual (Page 17)Search more codes in this manual