16 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
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The GC number on your boiler's data badge identifies the exact appliance and production years, as recorded in the UK Product Characteristics Database.
| GC number | Appliance (register name) | Produced |
|---|---|---|
| 47-077-14 | Ecoblue Advance 24 Combi ErPD | 2015–present |
| 47-077-15 | Ecoblue Advance 28 Combi ErPD | 2015–present |
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Your boiler has lost the ability to accurately measure the temperature of the water circulating to your radiators, so it has shut down to prevent overheating.
Your boiler's safety sensor that monitors the temperature of the exhaust gases has failed, so the system has shut down to prevent overheating.
Your boiler has lost the ability to accurately measure the temperature of the water returning to it, so it has safely shut down to prevent overheating.
Your boiler is struggling to pump water around your heating system correctly, which is preventing it from staying on safely.
Your boiler has detected that it is overheating and has automatically shut down to prevent damage to the system.
Your boiler has automatically turned itself off because it became too hot inside, preventing it from overheating further.
Your boiler has detected that the water pressure inside your heating system is currently too high for safe operation.
Your boiler has stopped working because the amount of water circulating inside your heating system has dropped below the required level.
Your boiler has detected that water is not moving correctly through the internal heating system, preventing it from heating your home or water safely.
Your boiler is trying to start but the flame is not staying lit, which means you currently have no heating or hot water.
Your boiler has detected that the temperature in the flue pipe is too high, causing it to shut down for safety reasons.
Your boiler has stopped working because it cannot light its internal flame, which is usually due to an issue with the gas supply or the ignition system.
Your boiler has stopped working because it cannot light the gas burner or keep the flame stay on.
Your boiler has stopped working because it cannot properly clear exhaust gases, so it has safely shut itself down to prevent a hazard.
Your boiler is struggling to accurately measure the temperature of the water it is heating, so it has turned off your hot water supply to prevent overheating.
Your boiler has detected a flame signal when it shouldn't be there, which has triggered a safety shutdown to prevent any risk.
BoilerFaultCodes