What does the Vaillant Home F96 fault code mean?
The F96 fault code on a Vaillant Home boiler indicates a fault with the system control board. This issue can prevent the boiler from operating correctly, leading to heating and hot water failures.
Common Causes
- Electrical Faults: Issues with wiring or connections can disrupt the control board’s functionality.
- Component Failure: A malfunctioning component on the control board itself may cause the system to fail.
Can I fix it myself? (DIY)
It is strongly advised to call a Gas Safe Engineer for this issue, as it involves electrical components that can be dangerous if handled improperly.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for a faulty control board on a Vaillant Home boiler is around £300 to £400. This includes the cost of the replacement part and labour, as control boards are complex components that require professional installation.