Ferroli Arena 30A Fault codes & diagnostics

0 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.

System Natural Gas 30 kW Discontinued

Download the Ferroli Arena 30A manualThe official installation and service manual (PDF), the document these fault codes were read from. PDF

The fault code is already on your display

Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →

Status & diagnostic codes

2 operating states & engineer diagnostics

Not faults — these are normal operating states. Tap to expand.

00 Status Your boiler is currently in summer mode, which means it is only set up to provide hot water and will not heat your radiators. 11 Status Your boiler is correctly operating in heating mode, and this code simply indicates it is currently active and warming your home.