What does the Baxi Megaflo E280 fault code mean?
The E280 fault code on a Baxi Megaflo indicates a central heating (CH) temperature fault, which suggests that the system is unable to reach or maintain the desired temperature. This can lead to inefficient heating and may require immediate attention to ensure proper functioning.
Common Causes
- Faulty Temperature Sensor: A malfunctioning temperature sensor may provide inaccurate readings, causing the system to fail in regulating the heating temperature.
- Blocked Heat Exchanger: A blockage in the heat exchanger can restrict water flow, preventing the boiler from heating the water effectively.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for any issues related to gas or electrical components. However, you can check the pressure gauge and ensure it is within the recommended range, typically between 1-1.5 bar, and reset the boiler if necessary.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for addressing the E280 fault could range from £150 to £300, depending on whether the temperature sensor needs replacing or if the heat exchanger requires cleaning or replacement. This cost reflects the complexity of the repairs and the need for professional expertise.