Biasi Concept 400 20 1 Mfs Fault codes & diagnostics

No fault codes listed yet: we only list codes read from this boiler's own manual.

Combi Natural Gas 20 kW 2010 onwards Discontinued

No manual available yet We don't hold the official service manual for this model yet. We're sourcing it.

No fault codes for this model yet

We haven't got the Biasi Concept 400 20 1 Mfs manual yet. We don't fill the gap with codes from a similar boiler, because the same code can mean something different on another model. The fault code table in the installation manual is the one to trust.