BoilerFaultCodesIntergas F007 Fault Code
The Intergas F007 fault code means: your boiler is failing to detect a flame after it tries to ignite, meaning it will not stay lit to provide heating or hot water.. It appears on 5 Intergas models in our database.
Technical description: No or insufficient ionisation flow.
What causes the Intergas F007 fault?
This fault occurs when the boiler's internal sensor fails to detect a steady flame during the start-up sequence, forcing the system to shut down for safety. The most common reasons are a worn-out sensor probe that can no longer 'see' the flame, a faulty ignition cable, or an issue with the gas valve not delivering the correct amount of fuel.
DIY fix possible
Check if other gas appliances, like a cooker, are working to ensure gas is being supplied to the property.Ensure your gas meter has credit if you use a pre-payment meter.Try resetting the boiler by pressing the 'Reset' button on the display panel.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Intergas models that show the F007 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Intergas F007 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