Ferroli F24 Fault codes & diagnostics

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

Combi Natural Gas 24 kW Discontinued
GC Number 47-267-31
Download the Ferroli F24 manualThe official installation and service manual (PDF), the document these fault codes were read from. PDF

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

All 2 documented codes

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LED 2

Your boiler has detected an internal failure or lack of ignition, which has caused it to automatically stop working to ensure your safety.

High Engineer only £120-250

Parts commonly replaced

  • Ignition electrode
  • Gas valve
  • Printed Circuit Board (PCB)
Red lockout light

Your boiler has stopped working for safety reasons and needs a manual reset or a professional check to get your heating and hot water back on.

High Engineer only £120-250

Parts commonly replaced

  • Ignition electrode
  • Flame sensor
  • Gas valve
  • PCB