BoilerFaultCodes L11 High
Boiler Fault Code L11
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code L11 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 shut down because a specific part of its motor or power electronics is drawing too much electricity. (As reported on Ideal HP290)
Pick your boiler brand for the L11 fix
Source
Information for the L11 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