What does the Baxi 600 Series E175 fault code mean?
The E175 fault code indicates a communication error within the Baxi 600 Series boiler. This typically means that there is a failure in the communication between the boiler’s control board and other components, which can affect the boiler’s operation.
Common Causes
- Faulty Wiring: Damaged or loose wiring connections can disrupt communication between components.
- Control Board Failure: A malfunctioning control board may fail to send or receive signals properly.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer for this issue, as it involves electrical components that can be hazardous if not handled correctly.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving an E175 fault could be around £150 to £250, primarily due to potential replacement of the control board or repair of wiring issues, which requires professional expertise.