What does the Baxi Megaflo E210 fault code mean?
The E210 fault code on a Baxi Megaflo indicates a fault with the domestic hot water (DHW) sensor. This typically means that the sensor is either malfunctioning or has failed, preventing the boiler from accurately measuring the water temperature.
Common Causes
- Faulty DHW Sensor: The sensor may be damaged or have an internal fault, leading to incorrect readings.
- Wiring Issues: Damaged or loose wiring connections to the DHW sensor can disrupt communication between the sensor and the boiler’s control board.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components and safety risks. Attempting to fix it yourself could lead to further damage or safety hazards.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing the DHW sensor on a Baxi Megaflo is approximately £150 to £200. This includes the cost of the part and labour, as sensor replacement typically requires professional expertise.