How much does it cost to fix boiler error code Low Electrical Supply?

Typical repair cost for the boiler Low Electrical Supply fault is £120-350 including labour.

Low Electrical Supply High

Boiler Fault Code Low Electrical Supply

Also written as LOWELECTRICALSUPPLY — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Low Electrical Supply 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 is not receiving enough electricity from the mains supply to operate safely and has shut down as a precaution. (As reported on Baxi Combi 80e)

Pick your boiler brand for the Low Electrical Supply fix

Baxi Low Electrical Supply 3 models

Source

Information for the Low Electrical Supply 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