Select a fault code
Boiler failed to ignite. Low gas pressure or faulty electrode are common causes.
Flame went out during operation.
Boiler has overheated and safety thermostat has tripped.
Flow temperature sensor has failed.
Return temperature sensor has failed.
Fan not running at correct speed.
Air pressure switch not confirming fan operation.
Gas valve fault detected.
Main circuit board fault detected.
Boiler locked out after multiple failed ignition attempts.
Flame detected when burner should be off.
System pressure below minimum operating level.
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