---
title: Runout Sensor Error
description: Probing Failure
---

[Skip to content](https://www.help.protosthetics.com/galileo/runout-sensor-error-pro#main-content)

English

Show submenu for translations

![ProtostheticsGalileo Logo](https://www.help.protosthetics.com/hubfs/ProtostheticsGalileo%20Logo.svg)

Open main navigation

Close main navigation

- English
  
  Show submenu for translations
- [Contact us](https://www.help.protosthetics.com/galileo/contact-us)

[Contact us](https://www.help.protosthetics.com/galileo/contact-us?hsLang=en)

 How can we help you?

- There are no suggestions because the search field is empty.

1. [Galileo by Protosthetics](https://www.help.protosthetics.com/galileo?hsLang=en)
2. [Hardware Troubleshooting & Maintenance](https://www.help.protosthetics.com/galileo/hardware-troubleshooting-maintenance?hsLang=en)
3. [Hardware Troubleshooting - Pro](https://www.help.protosthetics.com/galileo/hardware-troubleshooting-maintenance?hsLang=en#hardware-troubleshooting-pro)

February 3, 2026

# Runout Sensor Error

The filament continuously extrudes or in some cases, the print pauses itself. An error message appears on the printer screen that says "Extruder one error."

The run-out sensor will need to be switched off from the printer screen, following these steps :

- Select Menu \> Advanced Settings \> Filament \> Runout Sensor
- Set Runout Sensor to "NO"
- Select Done (x3)
- Save the settings for next power on

Afterwards, feel free to restart your print from FabOne.

- [Account & General Information](https://www.help.protosthetics.com/galileo/account-general-information?hsLang=en#main-content)

    - [Account & Permissions](https://www.help.protosthetics.com/galileo/account-general-information?hsLang=en#account-permissions)
    - [Policies & Guarantees](https://www.help.protosthetics.com/galileo/account-general-information?hsLang=en#policies-guarantees)
    - [Printer Returns](https://www.help.protosthetics.com/galileo/account-general-information?hsLang=en#printer-returns)
- [Scanning Options](https://www.help.protosthetics.com/galileo/scanning-options?hsLang=en#main-content)

    - [App & Hardware Setup](https://www.help.protosthetics.com/galileo/scanning-options?hsLang=en#app-hardware-setup)
    - [Scanning Best Practices](https://www.help.protosthetics.com/galileo/scanning-options?hsLang=en#scanning-best-practices)
- [Ordering Process & FabOne Portal](https://www.help.protosthetics.com/galileo/ordering-process-fabone-portal?hsLang=en#main-content)

    - [Placing & Managing Orders](https://www.help.protosthetics.com/galileo/ordering-process-fabone-portal?hsLang=en#placing-managing-orders)
    - [Print Control](https://www.help.protosthetics.com/galileo/ordering-process-fabone-portal?hsLang=en#print-control)
    - [CFAB Options](https://www.help.protosthetics.com/galileo/ordering-process-fabone-portal?hsLang=en#cfab-options)
- [Galileo Product Options](https://www.help.protosthetics.com/galileo/galileo-product-options?hsLang=en#main-content)

    - [Prosthetic Products](https://www.help.protosthetics.com/galileo/galileo-product-options?hsLang=en#prosthetic-products)
    - [Orthotic Products](https://www.help.protosthetics.com/galileo/galileo-product-options?hsLang=en#orthotic-products)
    - [Customization & Fitting](https://www.help.protosthetics.com/galileo/galileo-product-options?hsLang=en#customization-fitting)
- [Filament & Printing FAQs](https://www.help.protosthetics.com/galileo/filament-printing-faqs?hsLang=en#main-content)

    - [Filament Loading & Handling](https://www.help.protosthetics.com/galileo/filament-printing-faqs?hsLang=en#filament-loading-handling)
    - [Preparing the Printer](https://www.help.protosthetics.com/galileo/filament-printing-faqs?hsLang=en#preparing-the-printer)
- [Hardware Troubleshooting & Maintenance](https://www.help.protosthetics.com/galileo/hardware-troubleshooting-maintenance?hsLang=en#main-content)

    - [General Tips & Tricks](https://www.help.protosthetics.com/galileo/hardware-troubleshooting-maintenance?hsLang=en#general-tips-tricks)
    - [Connection Troubleshooting](https://www.help.protosthetics.com/galileo/hardware-troubleshooting-maintenance?hsLang=en#connection-troubleshooting)
    - [Hardware Troubleshooting - Pro](https://www.help.protosthetics.com/galileo/hardware-troubleshooting-maintenance?hsLang=en#hardware-troubleshooting-pro)
    - [Hardware Maintenance - Pro](https://www.help.protosthetics.com/galileo/hardware-troubleshooting-maintenance?hsLang=en#hardware-maintenance-pro)
    - [Hardware Troubleshooting - Galileo O&P/Pro 2](https://www.help.protosthetics.com/galileo/hardware-troubleshooting-maintenance?hsLang=en#hardware-troubleshooting-galileo-op-pro-2)
    - [Hardware Maintenance - Galileo O&P/Pro 2](https://www.help.protosthetics.com/galileo/hardware-troubleshooting-maintenance?hsLang=en#hardware-maintenance-galileo-op-pro-2)

[![ProtostheticsGalileo Logo-1](https://www.help.protosthetics.com/hubfs/ProtostheticsGalileo%20Logo-1.svg "ProtostheticsGalileo Logo-1")](http://protosthetics.com)

510 6th Ave N, Ste D, Fargo, ND 58102 USA

[mailto:success@protosthetics.com](mailto:success@protosthetics.com)

Copyright © 2026, Protosthetics