How much does it cost to fix boiler error code LC7?

Typical repair cost for the boiler LC7 fault is £450-950 including labour.

LC7 High

Boiler Fault Code LC7

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code LC7 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 encountered a communication or power issue within its internal electrical control system, meaning it cannot currently heat your home. (As reported on Ideal HP290)

Pick your boiler brand for the LC7 fix

Ideal LC7 1 model

Source

Information for the LC7 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