What does the Glow-worm Easicom E240 fault code mean?
The E240 fault code on a Glow-worm Easicom boiler indicates a domestic hot water (DHW) temperature fault. This typically suggests that the boiler is unable to heat the water to the required temperature, which can affect hot water supply.
Common Causes
- Faulty DHW Sensor: The temperature sensor may be malfunctioning, leading to incorrect readings and triggering the fault code.
- Blocked Heat Exchanger: A blockage in the heat exchanger can prevent the efficient transfer of heat, resulting in inadequate water heating.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves gas and electrical components that require professional handling for safety reasons.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the E240 fault could be around £150 to £250, primarily depending on whether the DHW sensor needs replacement or if the heat exchanger requires cleaning or servicing.