How to fix Worcester Bosch Greenstar i fault code F62

What does the Worcester Bosch Greenstar i F62 fault code mean?

The F62 fault code on the Worcester Bosch Greenstar i indicates a faulty electrical system within the boiler. This could be due to issues with wiring, connections, or internal components that affect the boiler’s operation.

Common Causes

  • Loose Wiring: Connections may have come loose over time, disrupting the electrical flow.
  • Faulty Components: Internal components such as the PCB (Printed Circuit Board) may be malfunctioning, leading to electrical faults.

Can I fix it myself? (DIY)

It is highly recommended to call a Gas Safe Engineer for any electrical issues, as working on boiler electrics can be dangerous. Attempting DIY repairs without proper knowledge can lead to further damage or safety hazards.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for resolving the F62 fault could range from £150 to £300, depending on whether wiring needs to be repaired or if the PCB requires replacement. This cost reflects the complexity of electrical repairs and the need for professional expertise.