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VERDE-ROJO-MITAD-FIJO

Nespresso VertuoPlus VERDE-ROJO-MITAD-FIJO: descale alert

Verified with sources1 sourceReviewed Oct 18, 2026
Technician coming? See the 2 steps they must show you
Black De'Longhi Magnifica bean-to-cup coffee machine with cups on top
FeťourPublic domainImage source

Risk level

Low

Usually safe to check without specialist tools.

Urgency

Medium

Quick answer

On Nespresso VertuoPlus coffee machines, the VERDE-ROJO-MITAD-FIJO steady half-green and half-red light means descaling is required and takes about 20 minutes. Once this alert appears, the machine can only brew a few more times before descaling becomes mandatory.

Safety first

Stop and check this first

  • The descaling solution can cause injury: avoid contact with eyes, skin, and surfaces, and never use any product other than the official Nespresso descaling kit available through the Nespresso Club.
  • Never open the machine housing or immerse the appliance in water; once the descaling rinse finishes, let the machine dry for 10 minutes before brewing.

Safe checks you can perform

  • Eject any used capsule and empty the capsule container and cup support
  • Prepare the water tank with Nespresso descaling liquid and a 0.6 L container
  • Run the Special Functions descaling cycle followed by the fresh-water rinse
  • Pause for several minutes if heavy scale causes the cycle to stop and blink

Leave these tasks to a qualified professional

  • Do not attempt this professional task: Contact the Nespresso Club if questions remain or the half-red half-green light stays on
  • Do not attempt this professional task: Arrange authorised Nespresso service inspection if scale blockage prevents water flow

What a technician must be able to justify

Technician visit

These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.

These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.

  1. Contact the Nespresso Club if questions remain or the half-red half-green light stays on

    What they doIf you completed both the descaling and rinsing cycles but the half-green, half-red indicator remains lit, have the Nespresso Club review the case.

    They must show youconfirmation of the completed descaling and rinsing steps and the exact light pattern shown on the top button.

    In writingthe Nespresso Club reference number along with the recorded model and serial number of your machine.

  2. Arrange authorised Nespresso service inspection if scale blockage prevents water flow

    What they doIf internal calcification blocks water circulation or requires opening the housing, arrange servicing through Nespresso.

    They must show youthe hydraulic flow test result and inspection of the brewing and heating path after servicing.

    In writinga written cost estimate prior to repair if scale damage is excluded from warranty coverage, plus the list of serviced parts.

Before accepting a part or repair

Nothing has been shown yet. Do not accept a part swap based on the code alone.

Follow these steps

Note: Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.

  1. Eject any used capsule and empty the capsule container and cup support

    No special tools

    Who:
    you.
    How:
    press the button to turn the machine ON, push the lever up so the motorized head opens and ejects the spent capsule, push the lever down to close the head, and empty both the cup support and used capsule container.
    Result that matters:
    an empty brewing head and clean collection receptacles before entering Special Functions.
    If the capsule ejects and the head closes smoothly:
    proceed to turn the machine OFF for descaling setup.
    If a capsule stays jammed inside the head:
    unplug the power cord before cautiously cleaning the metal clamps.
    Evidence to keep:
    visual confirmation that the capsule container and cup support are empty.

    Evidence: Nespresso VertuoPlus User Manual / Manual del usuario (EN/FR/ES)

  2. Prepare the water tank with Nespresso descaling liquid and a 0.6 L container

    No special tools

    Who:
    you, using an official Nespresso descaling kit.
    How:
    hold the lever down for 3 seconds to turn the machine OFF, fill the water tank with 1 unit of Nespresso descaling liquid plus at least 17 fl oz (0.5 L) of potable water, and place a container holding at least 20 fl oz (0.6 L) under the coffee outlet.
    Result that matters:
    the water tank seated with the official descaling mixture and a 0.6 L or larger vessel under the spout.
    If the container holds at least 0.6 L:
    it will catch the full descaling flow without overflowing.
    If the water tank is not seated flush:
    reposition it firmly before entering the Special Functions menu.
    Evidence to keep:
    note of the Nespresso descaling kit used and start time of the cycle.

    Evidence: Nespresso VertuoPlus User Manual / Manual del usuario (EN/FR/ES)

  3. Run the Special Functions descaling cycle followed by the fresh-water rinse

    No special tools

    Who:
    you.
    How:
    press the button and push the lever down simultaneously for 3 seconds until the light turns steady orange, push the lever down once within 2 minutes (orange blinks once every 2 seconds), and press the button to start; once it stops, clean and refill the tank with fresh drinking water, press the button to rinse, then hold button and lever down for 3 seconds to exit.
    Result that matters:
    the indicator returning to steady green and, after drying for 10 minutes, the half-green and half-red alarm clearing.
    If the button shines steady green upon exiting:
    the descaling and rinse cycles have completed properly.
    If no function is selected within 2 minutes:
    the machine returns to Ready mode and you must re-enter the menu.
    Evidence to keep:
    button light state after rinsing and after the 10-minute drying pause.

    Evidence: Nespresso VertuoPlus User Manual / Manual del usuario (EN/FR/ES)

  4. Pause for several minutes if heavy scale causes the cycle to stop and blink

    No special tools

    Who:
    you.
    How:
    if the machine is heavily calcified and stops with a blinking light during the descaling cycle, pause the program for several minutes so the descaling agent can penetrate the accumulated calcium, then press the button again to restart.
    Result that matters:
    liquid flow resuming through the coffee outlet and completing both descaling and rinsing phases.
    If flow resumes after the pause:
    let the cycle run until the orange light blinks once every 2 seconds.
    If the machine still stops and cannot pump liquid:
    stop the cycle and reach out to the Nespresso Club for VertuoPlus support.
    Evidence to keep:
    stage at which the cycle paused and whether flow resumed after waiting.

    Evidence: Nespresso VertuoPlus User Manual / Manual del usuario (EN/FR/ES)

Still not solved

If the error persists, stop here. See what the technician must do and show you.

Where this code applies

A code is meaningful only inside the right product and version context.

Primary scope

System
Appliances
Brand
Nespresso
Product type
Coffee machines

Known code variants

  • alerta descalcificación Nespresso VertuoPlus
  • botón mitad rojo mitad verde VertuoPlus
  • Nespresso alarma descalcificación verde y roja
  • Nespresso Vertuo Plus descale needed light
  • Nespresso VertuoPlus descaling alarm light
  • Nespresso VertuoPlus half green and half red steady light
  • Nespresso VertuoPlus luz mitad verde y mitad roja
  • Vertuo Plus luz fija roja izquierda verde derecha
  • Vertuo Plus steady light left red right green
  • VertuoPlus button half red half green
  • VertuoPlus VERDE-ROJO-MITAD-FIJO

What it means

The official Nespresso VertuoPlus User Manual (covering VertuoPlus C and D models) defines a steady button light with the left side red and the right side green as the Descaling alarm (troubleshooting point 13). After the indicator lights up, the appliance only allows a few additional extractions before locking out further brewing until the 20-minute descaling procedure is completed. Other Nespresso series use different light patterns for scale alerts, and this indicator by itself never proves that an internal component has failed.

Warnings and stop conditions

  • Higheditorial warning

    The descaling solution can cause injury: avoid contact with eyes, skin, and surfaces, and never use any product other than the official Nespresso descaling kit available through the Nespresso Club.

    Evidence: Nespresso VertuoPlus User Manual / Manual del usuario (EN/FR/ES)

  • Mediumeditorial warning

    Never open the machine housing or immerse the appliance in water; once the descaling rinse finishes, let the machine dry for 10 minutes before brewing.

    Evidence: Nespresso VertuoPlus User Manual / Manual del usuario (EN/FR/ES)

Symptoms and causes

Probable causes · in order

  • Beverage counter reaching the scheduled descaling thresholdCommon

    The machine tracks cumulative brewing cycles and illuminates the half-red, half-green ring when routine scale removal is due.

    Evidence: Nespresso VertuoPlus User Manual / Manual del usuario (EN/FR/ES)

  • Previous descaling routine exited before finishing the fresh-water rinsePossible

    If the special function was interrupted before the rinse tank ran empty and the confirmation blink appeared, the descaling alarm stays active.

    Evidence: Nespresso VertuoPlus User Manual / Manual del usuario (EN/FR/ES)

  • Heavy calcium buildup stalling liquid flow during the descaling programLess common

    The manual notes that if a unit is completely scaled, the descaling program may stop and blink until the descaling agent penetrates the deposit.

    Evidence: Nespresso VertuoPlus User Manual / Manual del usuario (EN/FR/ES)

Virtual technician

Does VERDE-ROJO-MITAD-FIJO still appear after these checks?

Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.

Sources and technical references

Sources: Nespresso VertuoPlus User Manual / Manual del usuario (EN/FR/ES)reviewed 2026-10-18 · verified

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