How to fix Glow-worm Easicom fault code E650

What does the Glow-worm Easicom E650 fault code mean?

The E650 fault code indicates a flue gas pressure short circuit, which suggests that the boiler is detecting an issue with the flue gas pressure, potentially due to blockages or improper ventilation. This can lead to unsafe operating conditions, requiring immediate attention.

Common Causes

  • Blocked Flue: A blockage in the flue system can prevent proper gas flow, leading to pressure issues.
  • Faulty Pressure Sensor: A malfunctioning pressure sensor may incorrectly report flue gas pressure, triggering the fault code.

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 safety risks.

Estimated Repair Cost (2026 UK Prices)

The estimated repair cost for addressing the E650 fault could range from £150 to £300, depending on whether the issue is a simple blockage or requires replacement of the pressure sensor.