Vaillant ecoTEC Plus Combi F.067 – The flame monitor is defective. | BoilerTool

Home / ecoTEC Plus Combi / F.067

F.067

The flame monitor is defective.

Vaillant ecoTEC Plus Combi

Possible cause

Implausible flame signal

Measure

Check the flame signal.

Possible cause

PCB defective

Measure

Replace the PCB.

This code also applies to:

ecoTEC Plus System

Source: Manufacturer manual (PDF)

© 2026 BoilerTool