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Error 21 Xiaomi — Fallo en el Acelerador

Xiaomi M365Xiaomi Pro 2Xiaomi EssentialXiaomi 1S

🛴 Is your scooter showing Error 21 right now?

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What Does Error 21?

Error 21 indicates a problem with the throttle (accelerator). The controller is not receiving the correct signal from the throttle.

Most Common Causes

  1. 1Throttle cable disconnected or damaged
  2. 2Water entering the throttle mechanism
  3. 3Defective throttle sensor
  4. 4Controller not reading the throttle signal

Steps You Can Try Yourself

  1. 1

    Turn off the scooter and check the throttle cable connection

  2. 2

    Clean around the throttle with a dry cloth

  3. 3

    Restart the scooter and test the accelerator gently

  4. 4

    If the scooter accelerates on its own, turn it off immediately

When to Call a Technician

Error 21 can be dangerous if the throttle sends incorrect signals. We replace throttle sensors and cables on-site.

Is Error 21 still showing?

Our technician comes to you anywhere in Tenerife. Free diagnosis.

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