BoilerFaultCodes
Euroterm Boiler Fault Codes
38 fault codes across 1 Euroterm boiler models — explained in plain English.
Euroterm domestic boilers (Ferroli-built).
Euroterm fault codes on this site
We document 38 fault codes across 1 Euroterm model, covering 38 distinct codes. Euroterm boilers use letter-and-number codes such as A01, A02, A03. Codes for 1 of these models are taken directly from the manufacturer's own service or installation manual. Euroterm is a smaller name in the UK market, and if you own one this is likely one of the few places its fault codes are collected in one place.
Models covered: E27 Plus.
Just want the most common Euroterm problems?
The top 8 faults across the whole Euroterm range — causes, DIY checks, repair costs.
High-severity Euroterm fault codes
A01 A02 A03 F04 F05
Your boiler has tried to start up but cannot light the flame, which means your heating and hot water will not work.
E27 Plus
Your boiler is detecting a flame even though the burner should be switched off, which is a safety conflict causing the system to lock out.
E27 Plus
Your boiler has become too hot and has shut itself down as a safety precaution to prevent internal damage.
E27 Plus
Your boiler has shut down because a sensor has detected that the exhaust gases are not venting safely or the sensor itself has failed.
E27 Plus
Your boiler has detected an issue with the fan that clears away waste gases, causing the system to shut down for safety.
E27 Plus
All models
1 Euroterm boiler models
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