What does the Baxi EcoBlue E168 fault code mean?
The E168 fault code on a Baxi EcoBlue boiler indicates an overheating issue, which can lead to potential damage if not addressed promptly. This fault typically arises when the boiler’s temperature exceeds safe operating limits.
Common Causes
- Blocked Heat Exchanger: A build-up of debris or limescale can restrict water flow, causing the boiler to overheat.
- Faulty Thermostat: If the thermostat is malfunctioning, it may not accurately regulate the temperature, leading to overheating.
Can I fix it myself? (DIY)
While some basic checks can be performed, such as ensuring the system is not blocked, it is strongly advised to call a Gas Safe Engineer for any gas or electrical issues to ensure safety and compliance with regulations.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for addressing the E168 fault could range from £150 to £300, depending on whether the issue is a blocked heat exchanger or a faulty thermostat, with labour and parts included.