Biasi Riva Plus M296.24SM Fault codes & diagnostics

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

CombiSystem Natural Gas 24 kW 2011 onwards Discontinued

Replaced by: Inovia

The Riva Plus M296.24SM range comes in 2 types

Pick the one you have. The fault codes, GC numbers and manual differ by type.

Each model has its own manual A family spans several manuals, one per model or generation. Pick your model above and its page has the manual its fault codes were read from.

The fault code is already on your display

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

All 1 documented codes

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N/A

Your boiler is struggling to accurately measure the temperature of the water inside the heating system, which usually stops the central heating from working properly.

Medium Engineer only £100-£200 Shared across the Riva Plus HE range

Parts commonly replaced

  • Central Heating NTC Temperature Sensor
  • Wiring harness