What does the Baxi Megaflo E157 fault code mean?
The E157 fault code on a Baxi Megaflo indicates an electrical fault within the boiler system. This could be related to wiring issues, component failures, or problems with the control board.
Common Causes
- Wiring Issues: Damaged or loose wiring connections can disrupt the electrical flow, triggering the fault code.
- Control Board Failure: A malfunctioning control board may fail to communicate properly with other components, leading to the E157 error.
Can I fix it myself? (DIY)
It is strongly advised to call a Gas Safe Engineer for any electrical issues, as improper handling can pose safety risks. Attempting DIY repairs on electrical components can lead to further damage or hazards.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving an E157 fault could range from £150 to £300, primarily depending on whether wiring repairs or a control board replacement is necessary. The cost reflects the complexity of electrical repairs and the need for professional expertise.