What does the Glow-worm Easicom E670 fault code mean?
The E670 fault code indicates that the boiler’s flue gas pressure is not responding as expected, which can lead to inefficient operation or safety concerns. This issue typically arises from blockages or faults in the flue system that prevent proper venting of exhaust gases.
Common Causes
- Blocked Flue: A blockage in the flue can restrict the flow of flue gases, causing pressure issues.
- Faulty Pressure Sensor: A malfunctioning pressure sensor may fail to accurately detect the flue gas pressure, leading to erroneous fault codes.
Can I fix it myself? (DIY)
It is highly recommended to call a Gas Safe Engineer to diagnose and repair this issue, as it involves gas and safety components. Attempting to fix it yourself could pose serious risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the E670 fault could range from £150 to £300, depending on whether a blockage is cleared or a faulty sensor is replaced. This cost reflects the need for professional service and potential replacement parts.