How to fix Worcester Bosch Greenstar Ri fault code F69

What does the Worcester Bosch Greenstar Ri F69 fault code mean?

The F69 fault code on the Worcester Bosch Greenstar Ri indicates a problem with the water flow within the system. This can lead to inadequate heating or hot water supply, requiring immediate attention to restore proper function.

Common Causes

  • Blocked Filter: A blockage in the system filter can restrict water flow, triggering the F69 fault code.
  • Faulty Flow Sensor: A malfunctioning flow sensor may incorrectly detect water flow, causing the boiler to shut down for safety.

Can I fix it myself? (DIY)

If you are comfortable with basic maintenance, you can check and clean the system filter. However, for issues related to the flow sensor or any gas/electrical components, it is crucial to call a Gas Safe Engineer to ensure safety and compliance with regulations.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for resolving the F69 fault could range from £150 to £300, depending on whether a filter cleaning or a flow sensor replacement is needed. The cost reflects the complexity of the repair and the need for professional service.