Decent Espresso

Meaning of GHC LED patterns

  • Ready for Booting: 4 White LEDs lit at 12, 3, 6, and 9 o'clock.

    • Machine ready to boot LED lights

  • Booting in Progress: Yellow LEDs filling up the circle.

    • Boot up of the machine, LED lights

  • Preheating: Red LEDs filling up the circle.

    • Preheating DE1, LED lights

  • Receiving App Data: Flashing Purple LEDs.

    • LED when the DE1 is receiving app data

  • Entering Sleep Mode (Hold Stop button): Red circle disappears, followed by a fading Purple LED eclipse.

    • LED patterns when DE1 is put into sleep mode

  • Waking Up (Hold Stop during Sleep): Purple LEDs filling up the circle.

    • LEDs when DE1 is waking up

  • Front Button Off Warning: Pulsing Red LEDs.

    • Front button off, LED warning

  • Function Started: White LEDs lit around the function icon.
  • Function Stopping: Red LEDs lit around the function icon.
  • Function Stopped: Entire circle flashes Red.

    • Function start and stop LED on the DE1

  • Real-time Flow Rate / Pressure: Blue/Green LEDs active during extraction, shifting positions to display current values.

    • Real time flow rate and pressure, LEDs on GHC

  • Out of Water: "Disco" Blue LEDs (rapidly shifting).

    • LEDs on the GHC of the DE1 when out of water

  • Multi-tap Error (Unresponsive due to 2+ simultaneous taps): 6 Solid Blue LEDs.

    • Multitap error, LEDs on the group head controller

    #troubleshooting #support #LEDs #GHC




    mirjam created 2026/06/28.