How much does it cost to fix boiler error code Locks Out In Morning Only?

Typical repair cost for the boiler Locks Out In Morning Only fault is £150-300 including labour.

Locks Out In Morning Only High

Boiler Fault Code Locks Out In Morning Only

Also written as LOCKSOUTINMORNINGONLY — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Locks Out In Morning Only 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 boiler is struggling to ignite when it first wakes up in the morning, likely because it is having trouble breathing or moving water correctly. (As reported on Potterton Statesman)

Pick your boiler brand for the Locks Out In Morning Only fix

Potterton Locks Out In Morning Only 1 model

Source

Information for the Locks Out In Morning Only 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