What does the Baxi Megaflo E250 fault code mean?
The E250 fault code on a Baxi Megaflo indicates a problem with the domestic hot water (DHW) flow switch. This fault typically means that the flow switch is not detecting water flow properly, which can prevent the boiler from heating water as required.
Common Causes
- Faulty Flow Switch: The flow switch may be defective or malfunctioning, leading to incorrect readings.
- Blocked Water Path: A blockage in the water supply line can prevent adequate flow, causing the switch to fail to activate.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves gas and electrical components that require professional handling. Attempting to fix it yourself may pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for the E250 fault is around £150 to £250, primarily for the replacement of the flow switch and associated labour. This cost reflects the complexity of diagnosing and repairing boiler faults safely.