4 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Replaced by: Keston Heat
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Your boiler has detected a fault and has safely shut itself down to prevent damage, leaving you without heating and hot water.
Your boiler is trying to start its ignition sequence, but it is stuck at the stage where the fan is running and it cannot confirm if the flame has successfully lit.
Your boiler is trying to start up but the burner refuses to ignite, meaning it cannot produce any heat for your home or water.
Your boiler has detected a safety or performance problem and has shut itself down to prevent damage.
BoilerFaultCodes