What does the Vaillant ecoTEC plus F95 fault code mean?
The F95 fault code on the Vaillant ecoTEC plus indicates a problem with the system ratings, which may affect the boiler’s performance and efficiency. This fault typically arises when the boiler cannot correctly assess the heating system’s requirements.
Common Causes
- Incorrect System Configuration: The boiler may be set up incorrectly for the specific heating system, leading to mismatched ratings.
- Faulty Sensors: Malfunctioning temperature or pressure sensors can provide inaccurate readings, causing the boiler to display the F95 fault.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to address this issue, as it involves complex system ratings and potential gas or electrical components that require professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F95 fault could be around £150 to £250, depending on whether sensor replacements or system reconfigurations are necessary. This cost reflects the need for professional diagnostics and potential parts replacement.