BoilerFaultCodes Live & Neutral Reversed Emergency
Boiler Fault Code Live & Neutral Reversed
Also written as LIVENEUTRALREVERSED — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Live & Neutral Reversed appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has detected that its electrical power supply wires have been connected in the wrong order, which is a significant safety risk. (As reported on Baxi Combi 80e)
Pick your boiler brand for the Live & Neutral Reversed fix
Source
Information for the Live & Neutral Reversed 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