⚡
Alpha — CD He Plus Combi
Select a fault code
Fault Codes
E10Ignition lockout🔄 Try Reset
Failed to ignite after multiple attempts.
E28Low gas pressure🔧 Engineer Required
Gas inlet pressure too low.
E30Flame loss🔄 Try Reset
Flame established then extinguished.
E32Fan fault🔧 Engineer Required
Fan speed outside expected range.
E35Low water pressure🔄 Try Reset
System pressure too low.
E40Gas valve fault🔧 Engineer Required
Gas valve not operating correctly.
E57Pump fault🔧 Engineer Required
Circulation pump fault.
E60Flow NTC fault🔧 Engineer Required
Flow temperature sensor fault.
E85Overheat lockout🔧 Engineer Required
The boiler has overheated and the safety thermostat has tripped.
📞 Alpha Direct Support
📄
Download ↗AlphaManuals & Documentation
Installation guides, user manuals, technical documentation
Gas Emergency
🚨 0800 111 999
Free, 24/7 — if you smell gas
Phone numbers are provided in good faith — always verify on the manufacturer's official website. PlumbingAdvice.co.uk is not affiliated with any boiler manufacturer.