What does the Baxi 600 Series E800 fault code mean?
The E800 fault code on the Baxi 600 Series indicates a fault with the domestic hot water (DHW) pump. This issue can prevent the boiler from effectively supplying hot water, leading to potential disruptions in service.
Common Causes
- Blocked DHW Pump: Debris or scale buildup can obstruct the pump, preventing it from functioning properly.
- Electrical Fault: Issues with the wiring or connections to the pump may cause it to fail to operate.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components and potential gas safety risks. Attempting to fix it yourself could lead to further complications.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for addressing the E800 fault could be around £150 to £250, primarily due to the need for a qualified engineer to diagnose and replace the DHW pump if necessary.