How much does it cost to fix boiler error code L47?

Typical repair cost for the boiler L47 fault is £450-900 including labour.

L47 High

Boiler Fault Code L47

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code L47 appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your heat pump has stopped working because the internal power control system has detected an electrical fault. (As reported on Ideal HP290)

Pick your boiler brand for the L47 fix

Ideal L47 1 model

Source

Information for the L47 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026