How much does it cost to fix boiler error code L6E?

Typical repair cost for the boiler L6E fault is £450-950 including labour.

L6E High

Boiler Fault Code L6E

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code L6E 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 computer that controls the speed of the motor has detected an electrical fault. (As reported on Ideal HP290)

Pick your boiler brand for the L6E fix

Ideal L6E 1 model

Source

Information for the L6E 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