Vaillant F62 Fault Code means the boiler detected a delayed flame switch-off. Vaillant lists likely causes as a faulty gas valve, faulty PCB, or faulty ignition electrode, and advises this is a job for an engineer (do not open the casing). What is the Vaillant F62 Fault Code? F62 appears when your Vaillant boiler detects…
Read MoreA faulty boiler can be frustrating, especially when it stops working unexpectedly. If you own a Vaillant boiler and see the F28 fault code, don’t worry—it’s a common issue that can often be fixed with some basic troubleshooting. What is the Vaillant F28 Fault Code? The Vaillant F28 fault code is an ignition fault that…
Read MoreThe Vaillant F22 fault code is a low water pressure fault that prevents the boiler from operating properly. This error occurs when the system detects insufficient pressure, which can lead to heating and hot water failure. Maintaining the correct pressure is essential for your boiler to function efficiently. What is Vaillant F22 Fault Code? When…
Read MoreA Vaillant F76 Fault Code is a critical error found in Vaillant Ecotec boilers, indicating overheating of the heat exchanger. This issue can pose a serious risk, requiring immediate attention from a Gas Safe engineer. If you encounter this fault, understanding its causes and potential fixes is essential for ensuring the safe and efficient operation…
Read MoreIs your Vaillant F75 fault code flashing on the display? Have you suddenly lost heating and hot water? If so, your boiler is warning you of a pressure-related issue. But what does this mean, and how serious is it? Let’s dive into the causes, troubleshooting steps, and whether you need professional repair or a full…
Read MoreHow to sort Vaillant F.70 fault code (Before 2012 model) Encountering the Vaillant F.70 fault code (Before 2012 model) on your Eco Tec boiler can be frustrating. This error commonly appears when replacing the Printed Circuit Board (PCB), indicating an invalid Device Specific Number (DSN). Follow these steps to properly set up a new PCB…
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