What does the Worcester Bosch Greenstar Si F57 fault code mean?
The F57 fault code on the Worcester Bosch Greenstar Si indicates that there are faulty electrical connections within the boiler. This can lead to issues with the boiler’s operation and may prevent it from functioning properly.
Common Causes
- Loose Wiring: Connections may have become loose over time, leading to intermittent electrical contact.
- Corroded Connectors: Corrosion on electrical connectors can disrupt the flow of electricity, causing the fault code to appear.
Can I fix it myself? (DIY)
It is highly recommended to call a Gas Safe Engineer for any electrical issues, as working with boiler electrics can be dangerous. Attempting to fix it yourself may void the warranty and pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F57 fault code is around £150 to £250, depending on the extent of the electrical issues and whether parts need to be replaced. This cost reflects the need for professional assessment and potential replacement of faulty components.