Intergas · A niche brand in the UK. 56 codes across 1 product family, each taken from the manufacturer’s manuals.
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Type the code on your display or a word from its meaning. Each code opens its own page with what it means, whether it is safe and what you can check.
56 codes
| Code | Meaning | Stops? | Homeowner check? |
|---|---|---|---|
| F001 | No flow in the CH circuit for at least 30 minutes | Partly | Yes |
| F003 | Value of external flow sensor T43 too high (>67 C) or flow sensor T03 too high (>90 C) for over 1 minute | Partly | Yes |
| F009 | Memory fault codes | Partly | Yes |
| F010 | Water temperature too low during defrost function | Partly | Yes |
| F018 | Heat pump type not correctly configured | Partly | Yes |
| F019 | Incorrect serial number in memory module | Partly | Yes |
| F020 | Incorrect firmware | Partly | Yes |
| F022 | Firmware version not compatible | Partly | Yes |
| F023 | XTP controller internal | Partly | Yes |
| F024 | XTP controller configuration | Partly | Yes |
| F025 | XTP controller communication | Partly | Yes |
| F026 | Startup | Partly | Yes |
| F037 | Return sensor T04 | Partly | Yes |
| F038 | Flow sensor T03 | Partly | Yes |
| F039 | External flow sensor T43 | Partly | Yes |
| F040 | External outdoor sensor T42 | Partly | Yes |
| F050 | Fault within the outdoor unit | Partly | Yes |
| F051 | Fault within the indoor unit | Partly | Yes |
| F254 | Bypass mode active (heat request forced to the boiler) | Partly | Yes |
| n000 | Parameter settings outside range | No | Yes |
| n001 | System pressure too low, parameter P020 | No | Yes |
| n002 | No water pressure | No | Yes |
| n008 | XTP error heat pump (ODU) | No | Yes |
| n011 | Communication with the outdoor unit has been lost or the outdoor unit has an internal fault | No | Yes |
| n013 | Condenser temperature too high: heating pump disengaged | No | Yes |
| n014 | Thermostat not connected | No | Yes |
| n015 | Crankcase heater function | No | Yes |
| n016 | Abnormal Delta-T between the flow and return temperature values | No | Yes |
| n018 | Problem with memory | No | Yes |
| n019 | Fault memory module | No | Yes |
| n021 | No flow in the CH circuit for at least 30 seconds | No | Yes |
| n022 | Problem with automatic flow rate control | No | Yes |
| n023 | System flow too low during commissioning | No | Yes |
| n024 | Remote flow system temperature sensor T43 gives an abnormal value | No | Yes |
| n026 | Clock not set | No | Yes |
| n027 | Problem in the clock operation | No | Yes |
| n028 | Outdoor unit regularly experiences problems | No | Yes |
| n030 | Remote flow system temperature sensor T43 not installed | No | Yes |
| n032 | Defrost is taking too long | No | Yes |
| n039 | Problem with external flow temperature sensor T43 | No | Yes |
| n040 | Problem with external outdoor sensor T42 | No | Yes |
| n041 | Problem with refrigerant liquid sensor | No | Yes |
| n042 | Problem with refrigerant gas sensor | No | Yes |
| n051 | Boiler locked out of system | No | Yes |
| n052 | Error with OpenTherm connection to boiler | No | Yes |
| n053 | Flow temperature from boiler is too low | No | Yes |
| n054 | Boiler not responding to heating request from Xtend | No | Yes |
| n055 | Boiler has a notification | No | Yes |
| n056 | Boiler supplies too hot water during a heating demand | No | Yes |
| n060 | Thermostat firmware version is not up to date (Intergas Comfort Touch) | No | Yes |
| n070 | Heatpump error (indoor unit control) | No | Yes |
| n071 | Flow error during heat pump operation | No | Yes |
| n072 | Flow error during defrost mode | No | Yes |
| n073 | Refrigerant temperature too low during defrost mode | No | Yes |
| n074 | Defrost mode stopped due to a water temperature that is too low | No | Yes |
| n080 | Problem with the user interface | No | Yes |