Coffee machine fault codes are designed to quickly tell you what’s wrong, but they’re not always easy to understand. Whether your machine is showing an error code, warning symbol, or flashing lights, it’s usually pointing to a specific issue such as scale build-up, a blocked system, or a component fault. Understanding these codes allows you to identify the problem early, avoid further damage, and in many cases fix the issue yourself. Use this page to find your fault code, understand what it means, and take the correct next step to get your machine back up and running.