What does the Baxi 600 Series E600 fault code mean?
The E600 fault code on the Baxi 600 Series indicates a fault with the domestic hot water (DHW) gas valve. This typically means that the gas valve is not functioning correctly, which can prevent the boiler from providing hot water.
Common Causes
- Faulty Gas Valve: The gas valve may be defective or damaged, leading to improper gas flow.
- Electrical Connection Issues: Loose or damaged wiring connections to the gas valve can disrupt its operation.
Can I fix it myself? (DIY)
It is highly recommended to call a Gas Safe Engineer for any issues related to the gas valve, as working with gas appliances can be dangerous. Attempting to fix it yourself may void warranties and pose safety risks.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for replacing a faulty gas valve on a Baxi 600 Series boiler is around £250 to £350. This includes the cost of the part and labour, reflecting the complexity of the repair and the need for a qualified engineer.