What does the Baxi Megaflo E710 fault code mean?
The E710 fault code on a Baxi Megaflo indicates a problem with the domestic hot water (DHW) system update. This typically suggests that the boiler’s control system is unable to communicate properly with the DHW components.
Common Causes
- Software Glitch: A temporary software issue may prevent the boiler from updating its DHW settings correctly.
- Faulty Sensor: A malfunctioning temperature or flow sensor could disrupt the DHW system’s operation, triggering the fault code.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it may involve complex electrical or gas components that require professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the E710 fault could be around £150 to £250, depending on whether a software reset or sensor replacement is needed. This cost reflects the typical labour and parts required for such repairs.