--- title: MG100 Replacement description: Steps and instructions to replace the MG100 M-Gateway using the Atmozen app --- [Skip to content](https://support.atmoce-au.com/knowledge-base/gateway-replacement#main-content) English - United Kingdom Show submenu for translations [![ATMOCE 2025 Black Logo](https://support.atmoce-au.com/hs-fs/hubfs/ATMOCE%202025%20Black%20Logo.png?width=200&height=200&name=ATMOCE%202025%20Black%20Logo.png)](https://www.atmoce.com/au) - [Home](https://support.atmoce-au.com/knowledge-base) - [Atmoce Website](https://www.atmoce.com/au) Open main navigation Close main navigation - [Home](https://support.atmoce-au.com/knowledge-base) - [Atmoce Website](https://www.atmoce.com/au) - English - United Kingdom Show submenu for translations - [Customer Portal](https://support.atmoce-au.com/tickets-view) [Customer Portal](https://support.atmoce-au.com/tickets-view?hsLang=en-gb) How can we help you? - There are no suggestions because the search field is empty. 1. [Atmoce Knowledge Base](https://support.atmoce-au.com/knowledge-base?hsLang=en-gb) 2. [Service & Warranty](https://support.atmoce-au.com/knowledge-base/service-warranty?hsLang=en-gb) 3. [Device Replacement](https://support.atmoce-au.com/knowledge-base/service-warranty?hsLang=en-gb#device-replacement) 23 September 2026 # MG100 Replacement ## Steps to replace the MG100 M-Gateway using the Atmozen app ### Instructions 1. Power off and remove the defective device. 2. Install the replacement device. 3. Open the Atmozen app and select the **relevant plant**. 4. Click the **Gateway** tab and select the **Gateway** to be replaced. ![APP\_devices](https://support.atmoce-au.com/hs-fs/hubfs/AU%20KB%20Database%20-%20Do%20not%20delete/APP_devices.webp?width=300&height=664&name=APP_devices.webp) 5. Click on the **...** at the top right of the app. 6. Select **Device Replacement. ![APP\_devices\_device replacement](https://support.atmoce-au.com/hs-fs/hubfs/AU%20KB%20Database%20-%20Do%20not%20delete/APP_devices_device%20replacement.webp?width=300&height=664&name=APP_devices_device%20replacement.webp)** 7. Select the **component** to replace (if relevant). 8. Configure the network via **Network Configuration**. ![APP\_devices\_device replacement\_network](https://support.atmoce-au.com/hs-fs/hubfs/AU%20KB%20Database%20-%20Do%20not%20delete/APP_devices_device%20replacement_network.webp?width=300&height=664&name=APP_devices_device%20replacement_network.webp) 9. Enter the new device **Serial Number**. 1. You can scan the **QR code** (if available). ![APP\_devices\_device replacement\_network\_qr-1](https://support.atmoce-au.com/hs-fs/hubfs/AU%20KB%20Database%20-%20Do%20not%20delete/APP_devices_device%20replacement_network_qr-1.webp?width=423&height=319&name=APP_devices_device%20replacement_network_qr-1.webp) 10. Click **Replace**.   --- *Information in this article was current at the time of publication or last update. Product specifications, software, firmware and procedures may change. Please refer to the latest ATMOCE documentation before proceeding.* - [Installation](https://support.atmoce-au.com/knowledge-base/installation?hsLang=en-gb#main-content) - [Battery](https://support.atmoce-au.com/knowledge-base/installation?hsLang=en-gb#battery) - [Gateway](https://support.atmoce-au.com/knowledge-base/installation?hsLang=en-gb#gateway) - [Other devices](https://support.atmoce-au.com/knowledge-base/installation?hsLang=en-gb#other-devices) - [Combiner Box](https://support.atmoce-au.com/knowledge-base/installation?hsLang=en-gb#combiner-box) - [Commissioning](https://support.atmoce-au.com/knowledge-base/commissioning?hsLang=en-gb#main-content) - [Atmozen Commissioning](https://support.atmoce-au.com/knowledge-base/commissioning?hsLang=en-gb#atmozen-commissioning) - [Adding Smart Device](https://support.atmoce-au.com/knowledge-base/commissioning?hsLang=en-gb#adding-smart-device) - [Site Configuration](https://support.atmoce-au.com/knowledge-base/site-configuration?hsLang=en-gb) - [Troubleshooting](https://support.atmoce-au.com/knowledge-base/troubleshooting?hsLang=en-gb#main-content) - [Battery](https://support.atmoce-au.com/knowledge-base/troubleshooting?hsLang=en-gb#battery) - [Backup](https://support.atmoce-au.com/knowledge-base/troubleshooting?hsLang=en-gb#backup) - [Service & Warranty](https://support.atmoce-au.com/knowledge-base/service-warranty?hsLang=en-gb#main-content) - [Device Replacement](https://support.atmoce-au.com/knowledge-base/service-warranty?hsLang=en-gb#device-replacement) - [FAQs](https://support.atmoce-au.com/knowledge-base/faqs?hsLang=en-gb#main-content) - [Customer FAQs](https://support.atmoce-au.com/knowledge-base/faqs?hsLang=en-gb#customer-faqs) - [Installer FAQs](https://support.atmoce-au.com/knowledge-base/faqs?hsLang=en-gb#installer-faqs) [![ATMOCE 2025 Black Logo](https://support.atmoce-au.com/hs-fs/hubfs/ATMOCE%202025%20Black%20Logo.png?width=150&height=150&name=ATMOCE%202025%20Black%20Logo.png "ATMOCE 2025 Black Logo")](https://www.atmoce.com/au) [mailto:email@email.com](mailto:email@email.com) Copyright © 2026, ATMOCE Australia Pty Ltd