Intergas Boiler Error Codes

Intergas Boiler Error Codes

Intergas Error Codes

The Intergas range of powerful boilers are normally extremely reliable.

Occasionally some things can go wrong, that’s why we’ve created our handy at-a-glance table of Intergas error codes below.


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Intergas Boiler Error Codes

Fault Code System Behaviour
10, 11, 12, 13, 14 Sensor fault S1
20, 21, 22, 23, 24 Sensor fault S2
0.0 Low system pressure
0 Sensor fault after self check
1 Temperature too high
2 S1 and S2 interchanged
4 No flame signal
5 Poor flame signal
6 Flame detection fault
8 Incorrect fan speed
27 Shortcut outside sensor temperature
29, 30 Gas valve relay faulty

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Intergas Xtreme and Xclusive Boiler Error Codes

Fault Code System Behaviour Possible solution / cause
F000 Sensor defect Heat exchanger sensor needs replacing.
F001 Temperature too high during central heating demand Air could be in system, central heating system needs bleeding. There could be an error with the pump & it could need replacing.
F002 Temperature too high during DHW demand The wiring of domestic hot water sensor needs checking, possible breakage.
F003 Flue gas temperature too high Heat exchanger needs checking for contamination.
F004 No flame during startup Gas valve is closed. Condensation drain is blocked and ignition needs checking.
F005 Flame disappears during operation Condensation drain could be blocked, the air supply duct and flue needs checking for possible recirculation or blockage of flue gases.
F006 Flame simulation error Gas valve could need replacing or burner controller could need replacing.
F007 No or insufficient ionisation flow Wiring of ionisation/ignition pin could have a breakage shut down and could need replacing.
F008 Fan speed incorrect Fan cable needs checking, fan or burner controller could need replacing.
F009 Bunner controller has internal fault Burner controller needs replacing.
F010, F011 Sensor fault Possible issue with heat exchanger sensor, breakage or not connected properly.
F012 Sensor 5 fault Wiring for flue gas sensor needs checking, possible breakage.
F014 Mounting fault sensor Heat exchanger sensor is not mounted correctly and needs to be mounted properly.
F015 Mounting fault sensor S1 Central heating flow sensor is not mounted correctly and needs mounting properly.

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  • View the Boiler Guide home of Intergas
  • See the common problems and get repair advice for your Intergas boiler