12 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Replaced by: Capriz2
This boiler uses LED flash patterns
Count the flashes in one repeating group before the pause. That number is your fault code. Do not reset until you have noted it. How to read fault codes →
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 |
|---|---|---|
| 47-157-13 | Capriz 28 | 2008–2009 |
Tap any card for details
Your boiler has lost the ability to accurately measure the temperature of the water being sent to your radiators, so it has purposefully shut down to prevent overheating.
Your boiler is struggling to detect the outside temperature, so it is defaulting to a basic setting to keep your home warm.
Your boiler is failing to detect the airflow required for safe combustion, which is preventing it from starting up properly.
Your boiler has failed to light the flame properly and has safely shut itself down to prevent a build-up of gas.
Your boiler is struggling to detect the temperature of your hot water, which may cause your taps to run cold or prevent the hot water from switching on reliably.
Your boiler has stopped working because the water pressure inside the heating system has dropped too low to operate safely.
Your boiler has detected that it is running too hot and has automatically switched itself off to prevent internal damage.
Your boiler is trying to start up but cannot light the gas flame needed to produce heat.
Your boiler has lost the ability to accurately measure the water temperature, so it has safely shut down to prevent overheating.
Your boiler has stopped working as a safety precaution because it either failed to light or became too hot.
Your boiler has switched itself off because the water level inside the heating system has dropped too low to operate safely.
Your boiler has detected that it is getting dangerously hot and has automatically shut itself down to prevent damage.
Not faults — these are normal operating states. Tap to expand.
BoilerFaultCodes