--- title: Find the current firmware version for your SCS Controller description: If you are unsure what version of firmware is installed on an SCS Controller, you can find it either by using Field app or by power cycling the cooler. --- [Skip to content](https://support.aofrio.com/find-the-current-firmware-version-for-your-scs-controller#main-content) - [English](https://support.aofrio.com/find-the-current-firmware-version-for-your-scs-controller) - [Español - México](https://support.aofrio.com/es-mx/find-the-current-firmware-version-for-your-scs-controller) - [Português - Brasil](https://support.aofrio.com/pt-br/find-the-current-firmware-version-for-your-scs-controller) English Show submenu for translations ![](https://support.aofrio.com/hs-fs/hubfs/e7b764c0-c89a-4e26-92a2-ab6256f23c6a_medium.png?width=100&height=75&name=e7b764c0-c89a-4e26-92a2-ab6256f23c6a_medium.png) Open main navigation Close main navigation - - [English](https://support.aofrio.com/find-the-current-firmware-version-for-your-scs-controller) - [Español - México](https://support.aofrio.com/es-mx/find-the-current-firmware-version-for-your-scs-controller) - [Português - Brasil](https://support.aofrio.com/pt-br/find-the-current-firmware-version-for-your-scs-controller) English Show submenu for translations - Contact us Contact us How can we help you? - There are no suggestions because the search field is empty. 1. [Help Center](https://support.aofrio.com/?hsLang=en) 2. [Software & Firmware releases](https://support.aofrio.com/software-firmware-releases?hsLang=en) 3. [Firmware for IoT hardware](https://support.aofrio.com/software-firmware-releases?hsLang=en#firmware-for-iot-hardware) March 30, 2026 # Find the current firmware version for your SCS Controller ## If you are unsure what version of firmware is installed on an SCS Controller, you can find it either by using Field app or by power cycling the cooler. Either: | 1. Open to Field app and connect to the SCS Controller. 2. Open the main menu then tap **SCS INFO**. 3. The current firmware version will be listed at the top of the page (*See gif on right*). Or, power cycle the cooler to initiate the SCS Controller's inbuilt start up sequence. This will display information in the following order: 1. "SCS" 2. The current Firmware Version. This is a 6-digit number with the first 3 digits on screen for 2 seconds, then the remaining 3 digits for 2 seconds. 3. Outputs connected to the Controller - e.g.“CoP” (Compressor), “FAn” (Fan), “LIt” (Lights) as it self-tests the outputs.  4. Current temperature Once this sequence is complete, the cooler will enter 'Normal Mode'. | **🎬Confirm firmware in the SCS INFO screen** **![Fieldapp_SCSInfo_ENG](https://support.aofrio.com/hs-fs/hubfs/Fieldapp_SCSInfo_ENG.gif?width=240&height=426&name=Fieldapp_SCSInfo_ENG.gif)**   | | --- | --- | - [Support for your role](https://support.aofrio.com/support-for-your-role?hsLang=en#main-content) - [Service technician](https://support.aofrio.com/support-for-your-role?hsLang=en#service-technician) - [Hardware installer](https://support.aofrio.com/support-for-your-role?hsLang=en#hardware-installer) - [OEM buyer or engineer](https://support.aofrio.com/support-for-your-role?hsLang=en#oem-buyer-or-engineer) - [Fleet manager](https://support.aofrio.com/support-for-your-role?hsLang=en#fleet-manager) - [Food Safety manager](https://support.aofrio.com/support-for-your-role?hsLang=en#food-safety-manager) - [Optimise energy use](https://support.aofrio.com/support-for-your-role?hsLang=en#optimise-energy-use) - 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