BoilerFaultCodes Inverter Error High
Boiler Fault Code Inverter Error
Also written as INVERTERERROR — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Inverter Error 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 is experiencing a communication failure with its internal motor controller, which prevents the unit from starting or running reliably. (As reported on Ideal HP290)
Pick your boiler brand for the Inverter Error fix
Source
Information for the Inverter Error 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 7 July 2026