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VERDE-INTERMITENTE

Sonos flashing green light on speaker: ready to be set up

Verified with sources8 sourcesReviewed Oct 18, 2026
Technician coming? See the 2 steps they must show you
Smart speaker with voice assistant
Recover-reputation-online-managementCC BY-SA 4.0Image source

Risk level

Low

Usually safe to check without specialist tools.

Urgency

Low

Quick answer

On a Sonos speaker, a flashing green status light means the product is powered on and ready to be set up, either because it is brand new or because it was factory reset. A slowly flashing green light on home theater surrounds means they have been disabled in the Sonos app.

Safety first

Stop and check this first

  • Sonos does not recommend factory resetting your product as a troubleshooting step because it deletes registration data, content saved to My Sonos and connected content services.

Safe checks you can perform

  • Tell solid green, flashing green and slow green apart
  • Re-enable home theater surrounds if the flash is slow
  • Add the product to your system from Settings

Leave these tasks to a qualified professional

  • Do not attempt this professional task: Contact Sonos Support if the speaker will not add in the app
  • Do not attempt this professional task: Sonos Support escalation if setup fails or turns solid orange

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 Sonos Support if the speaker will not add in the app

    What they doIf the speaker stays on a flashing green light and does not finish Settings > Add Speaker or Component, reach out to Sonos technicians over the phone or with a live chat.

    They must show youthe flashing green status light, the speaker model and the steps already tried in Add Speaker or Component.

    In writingthe support case number, the diagnosis and any quoted next step from Sonos Support.

  2. Sonos Support escalation if setup fails or turns solid orange

    What they doWhen a speaker starting from a flashing green light cannot complete the setup process and stays on a solid orange light even after rebooting, contact Sonos Support.

    They must show youthe light pattern seen during setup, the reboot steps already performed and the product model.

    In writingthe support reference number, the diagnosis recorded and the next step quoted by Sonos Support.

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. Tell solid green, flashing green and slow green apart

    No special tools

    Who:
    you, looking directly at the status light on the Sonos product.
    How:
    watch the cadence for a few seconds: solid green means the speaker is muted, regular flashing green means it is ready for setup, and slowly flashing green appears on disabled surrounds.
    Result that matters:
    knowing whether you just need to raise the volume, re-enable surrounds or add the speaker in the app.
    If the green light stays solid:
    turn the volume up in the Sonos app or with the controls on the speaker.
    If the green light flashes at a normal or slow pace:
    open the Sonos app for the matching step below.
    Evidence to keep:
    a short note on whether the green LED was solid, flashing normally or flashing slowly.

    Evidence: Sonos LED lights

  2. Re-enable home theater surrounds if the flash is slow

    No special tools

    Who:
    you, inside the Settings menu on your phone.
    How:
    open the Settings menu in the Sonos app for iOS or Android, select your home theater product under Your System, tap Surround Audio and turn the Surrounds option back on.
    Result that matters:
    restoring audio on surround speakers that were switched off in the app.
    If the slow green flash stops and surround sound returns:
    that setting was the cause.
    If the speaker is not a surround unit or shows normal flashing green:
    proceed to add it to your system.
    Evidence to keep:
    a screenshot of the Surround Audio screen inside the Sonos app.

    Evidence: Sonos LED lights

  3. Add the product to your system from Settings

    No special tools

    Who:
    you, with your phone or tablet on the home WiFi network.
    How:
    open the Sonos app for iOS or Android, go to Settings, choose Add Speaker or Component in your system section and follow the on-screen prompts; a system supports up to 32 products.
    Result that matters:
    connecting a new or factory-reset speaker that is waiting on a flashing green light.
    If setup finishes and the status light turns solid white:
    the speaker is now active in your system.
    If it is not set up within 30 minutes and starts flashing red:
    reboot it by unplugging for 10 seconds first.
    Evidence to keep:
    a screenshot of the Add Speaker or Component flow in the Sonos app.

    Evidence: Sonos LED lights · Add a new product to an existing Sonos system · Products missing from the Sonos app

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
Networks
Brand
Sonos
Product type
Smart speakers

Known code variants

  • Blink green light flashing
  • Blink luz verde intermitente
  • Blink Sync Module blinking green
  • Blink Sync Module luz verde parpadea
  • Blink Sync Module offline
  • Sonos blinking green light
  • Sonos Era 100 flashing green
  • Sonos Era 100 luz verde intermitente
  • Sonos flashing green light
  • Sonos listo para configurarse luz verde
  • Sonos luz verde intermitente
  • Sonos One flashing green light
  • Sonos One luz verde parpadeando
  • Sonos parpadea en verde
  • Sonos slowly flashing green
  • Sonos status light flashing green
  • Sonos verde que parpadea lentamente
  • Sync Module azul fijo verde intermitente
  • Sync Module desconectado
  • Sync Module is offline
  • Sync Module solid blue blinking green

What it means

Sonos' official LED lights guide separates three green patterns. While solid green simply means the speaker is muted, flashing green indicates that the product is powered on and ready to be set up because it has not yet been configured or was factory reset. By contrast, a slowly flashing green light appears on home theater surrounds that have been switched off in the Sonos app under Settings. This light pattern by itself never proves that a component is faulty, and behavior can differ across models or software versions.

Warnings and stop conditions

  • Lowsource verified

    Sonos does not recommend factory resetting your product as a troubleshooting step because it deletes registration data, content saved to My Sonos and connected content services.

    Evidence: Factory reset your Sonos product

Symptoms and causes

Probable causes · in order

  • Brand new product not yet configuredCommon

    Sonos explains that a newly plugged-in speaker shows a flashing green light when it has not yet been configured or connected to a Sonos system.

    Evidence: Sonos LED lights · Add a new product to an existing Sonos system

  • Speaker was factory reset and needs re-addingPossible

    If your product is not brand new and boots to a flashing green light, Sonos notes that it was factory reset and must be added back to your system.

    Evidence: Sonos LED lights · Factory reset your Sonos product · Products missing from the Sonos app

  • Home theater surrounds disabled in the appPossible

    When the light is a slowly flashing green on rear surround speakers, Sonos states that the Surrounds option has been disabled in the Sonos app Settings menu.

    Evidence: Sonos LED lights

Virtual technician

Does VERDE-INTERMITENTE 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

  1. 1

    Sonos LED lights

    Sonos · 2026 · official_doc

  2. 2

    Luces LED en Sonos

    Sonos · 2026 · official_doc

  3. 3
  4. 5

    Factory reset your Sonos product

    Sonos · 2026 · official_doc

  5. 6

    Restablecer de fábrica tu producto Sonos

    Sonos · 2026 · official_doc

  6. 7

    Products missing from the Sonos app

    Sonos · 2026 · official_doc

  7. 8

    Faltan productos en la app Sonos

    Sonos · 2026 · official_doc

Sources: Sonos LED lights · Luces LED en Sonos · Add a new product to an existing Sonos system · Añadir un producto nuevo a un sistema Sonos existente · Factory reset your Sonos product · Restablecer de fábrica tu producto Sonos · Products missing from the Sonos app · Faltan productos en la app Sonosreviewed 2026-10-18 · verified

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