What does the Worcester Bosch Greenstar Si F52 fault code mean?
The F52 fault code indicates a problem with the air intake system of the Worcester Bosch Greenstar Si boiler. This typically means that the boiler is unable to draw in the necessary air for combustion, which can lead to operational issues.
Common Causes
- Blocked Air Intake: Debris or obstructions in the air intake can prevent proper airflow.
- Faulty Air Pressure Switch: A malfunctioning air pressure switch may fail to detect adequate airflow, triggering the fault code.
Can I fix it myself? (DIY)
It is advisable to call a Gas Safe Engineer to address this issue, as it involves gas and electrical components that require professional expertise for safety and compliance.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F52 fault could range from £150 to £300, depending on whether the air intake is blocked or if the air pressure switch needs replacing. This estimate includes parts and labour for a qualified engineer.