BoilerFaultCodesIntergas F019 Fault Code
The Intergas F019 fault code means: your boiler has stopped working because its internal computer and burner control system are failing to communicate correctly.. It appears on 5 Intergas models in our database.
Technical description: BMM fault.
What causes the Intergas F019 fault?
This fault occurs when the boiler's main control board loses its digital connection with the burner management module, which acts as the 'brain' for the firing process. It is typically caused by a hardware failure within the internal circuitry or a loose connection in the wiring harness that links these two critical components. Without this constant data flow, the boiler cannot safely coordinate the ignition and heating process.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Intergas models that show the F019 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Intergas F019 fault code information on this page is sourced and cross-checked against the official Intergas service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026