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Baxi — Duo-tec Combi / System
Select a fault code
Fault Codes
E01Ignition lockout🔄 Try Reset
Boiler failed to ignite.
E02Flame loss🔄 Try Reset
Flame extinguished during operation.
E03Fan fault🔧 Engineer Required
Fan not operating at correct speed.
E10Low water pressure🔄 Try Reset
System pressure too low.
E168Gas valve fault🔧 Engineer Required
Gas valve fault detected.
E20Flow NTC fault🔧 Engineer Required
Flow temperature sensor fault.
E28Flue or gas pressure fault🔧 Engineer Required
Flue blocked or gas inlet pressure low.
E50Overheat lockout🔧 Engineer Required
Boiler has overheated.
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British GasFrom £10/month
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Prices shown are indicative — actual cost depends on your boiler age and policy type.
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Download ↗BaxiManuals & Documentation
Installation guides, user manuals, technical documentation
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