What does the Baxi 600 Series E180 fault code mean?
The E180 fault code on the Baxi 600 Series indicates a system lockout, which typically occurs when the boiler detects a fault that prevents it from operating safely. This can be due to various issues, including problems with the water pressure or a fault in the ignition system.
Common Causes
- Low Water Pressure: If the system pressure drops below the minimum required level, the boiler will lock out to prevent damage.
- Ignition Failure: A failure in the ignition sequence can cause the boiler to lock out, often due to a faulty electrode or gas supply issue.
Can I fix it myself? (DIY)
If the issue is related to low water pressure, you can attempt to repressurise the system by using the filling loop. However, for ignition or gas-related issues, it is crucial to call a qualified Gas Safe Engineer to ensure safety and compliance with regulations.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the E180 fault could range from £150 to £300, depending on whether it involves simply repressurising the system or replacing faulty components like the ignition electrode, which may cost around £100 to £200 plus labour.