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light 9 flashes

Generic Alarm light flashes — Infuser not inserted or service door open

DeLonghi · ESAM4200 Espresso Machine

What does light 9 flashes mean?

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.

Common Causes

  • Infuser not inserted correctly after cleaning.
  • Service door is open or not closed properly.
  • Machine just switched on and infuser is not correctly in place.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the service door is closed.

  2. 2

    If the service door cannot be closed, check the infuser position.

  3. 3

    Press the infuser where marked 'PUSH' until you hear a click.

  4. 4

    Verify that the two red buttons on the infuser open out correctly.

  5. 5

    Close the service door and press the power button to reset the alarm.

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
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