Select a fault code
Boiler failed to ignite. Common causes: low gas pressure, faulty electrode, blocked condensate.
Flame went out during operation.
Boiler has overheated and safety thermostat has tripped.
Flow temperature has exceeded safe operating limits.
Fan not operating at correct speed.
Flame detected when burner should be off.
Flow temperature sensor has failed.
Return temperature sensor has failed.
Air pressure switch not confirming fan operation.
Gas valve fault detected.
System pressure below minimum level.
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