What does the Vaillant ecoTEC plus F67 fault code mean?
The F67 fault code on the Vaillant ecoTEC plus indicates a problem with the system update, which may affect the boiler’s operation. This issue typically arises from software or firmware malfunctions that prevent the boiler from functioning correctly.
Common Causes
- Software Glitch: A temporary error in the boiler’s software can lead to the F67 fault code being displayed.
- Failed Update: An incomplete or unsuccessful system update can cause the boiler to malfunction and trigger this fault code.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to address this issue, as it involves software and system updates that require professional expertise. Attempting to fix it yourself may lead to further complications.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F67 fault code is approximately £150 to £250. This cost accounts for the technician’s time and any necessary software updates or resets that may be required.