Biasi Riva Plus HE 24S ERP Fault codes & diagnostics

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

System Natural Gas 2015-present
GC Number 41-583-31
Download the Biasi Riva Plus HE 24S ERP manualThe official installation and service manual (PDF), the document these fault codes were read from. PDF

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Fault codes

All 1 documented codes

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Er01

Your boiler has failed to light because it is not detecting a reliable gas supply, so it has safely shut itself down.

High Engineer only £90-250

Parts commonly replaced

  • Gas valve
  • Ignition electrode
  • Printed circuit board

Related codes

Full explanation for Er01
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