What does the Baxi 600 Series E470 fault code mean?
The E470 fault code on the Baxi 600 Series indicates a domestic hot water (DHW) electrical fault. This typically points to an issue with the boiler’s electrical components that manage the hot water supply.
Common Causes
- Faulty DHW Sensor: A malfunctioning sensor can disrupt the electrical signals necessary for hot water operation.
- Wiring Issues: Damaged or loose wiring connections can lead to electrical faults affecting the DHW system.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for any electrical issues, as working on gas appliances can be dangerous and requires professional expertise.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the E470 fault could be around £150 to £250, primarily depending on whether the DHW sensor needs replacement or if wiring repairs are necessary.