What does the Vaillant ecoTEC plus F68 fault code mean?
The F68 fault code on the Vaillant ecoTEC plus indicates a problem with the system reset function. This typically means that the boiler has detected an issue that prevents it from resetting properly, which can affect its operation.
Common Causes
- Electrical Issue: A fault in the electrical components or wiring can disrupt the reset process.
- Control Board Malfunction: A failure in the control board may prevent the system from executing a reset correctly.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it may involve electrical components that require professional handling for safety reasons.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for addressing the F68 fault could range around £150 to £300, depending on whether the issue is with the control board or wiring, which are both critical components that can be costly to replace.