BoilerFaultCodesIntergas 10 Fault Code
The Intergas 10 fault code means: your boiler has detected a problem with its primary temperature sensor and has shut down as a safety precaution to prevent overheating.. It appears on 9 Intergas models in our database.
Technical description: Sensor fault S1
What causes the Intergas 10 fault?
This fault occurs when the boiler's main flow temperature sensor sends an incorrect or garbled signal to the control board, suggesting the sensor has failed or become disconnected. The most common reason is that the internal components of the sensor have worn out over time, or the electrical wiring connecting it to the brain of the boiler has developed a loose connection.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Intergas models that show the 10 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Intergas 10 fault code information on this page is sourced and cross-checked against the official Intergas service / installation manuals for each affected model.
- Intergas Combi Compact ECO RF manual (PDF)
- Intergas Combi Compact HRE 36/30 manual (PDF)
- Intergas Compact HRE OV manual (PDF)
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 31 August 2026