What does the Baxi Megaflo E240 fault code mean?
The E240 fault code on a Baxi Megaflo indicates a pump overrun issue, which occurs when the boiler’s pump continues to run longer than expected after the heating cycle has completed. This can lead to overheating and potential damage if not addressed promptly.
Common Causes
- Faulty Pump: A malfunctioning pump may fail to stop, causing the overrun issue.
- Control Board Issue: A problem with the control board can prevent the pump from receiving the correct signals to turn off.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components and potential safety risks. Attempting to fix it yourself could lead to further complications or safety hazards.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving an E240 fault on a Baxi Megaflo is around £150 to £250. This includes potential replacement of the pump or control board, which are the most likely components to fail.