11 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
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Your boiler's main electronic brain has encountered an internal communication error and has safely shut down to prevent unexpected behavior.
Your boiler has temporarily stopped working because it has gotten too hot inside, usually due to a blockage or restricted water flow.
Your boiler has temporarily stopped working because it has detected a problem with the internal water pressure.
Your boiler has stopped working because it cannot detect that the internal fan, which safely removes harmful combustion gases, is operating properly.
Your boiler has temporarily stopped working because it cannot accurately read the temperature of the water flowing through the system.
Your boiler is trying to start but cannot detect that the burner has successfully lit, so it has shut itself down to keep you safe.
Your boiler is failing to start because it is not sensing the correct electrical connection path from your home's power supply.
Your boiler has temporarily stopped working because it has detected an unusually low temperature inside its main heating unit.
Your boiler has detected that it is getting dangerously hot and has shut itself down to prevent any internal damage.
Your boiler has temporarily stopped working because it has detected that a part inside has become too cold, so it has safely shut down to protect itself.
Your boiler has stopped working because the water pressure inside the system has dropped too low.
BoilerFaultCodes