How much does it cost to fix boiler error code Lights: Off, Off, Off?

Typical repair cost for the boiler Lights: Off, Off, Off fault is £80-200 including labour.

Lights: Off, Off, Off High

Boiler Fault Code Lights: Off, Off, Off

Also written as LIGHTSOFFOFFOFF — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 31 August 2026

Fault code Lights: Off, Off, Off appears across 2 boiler brands and 5 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 the signal from your thermostat or programmer to turn on, meaning it thinks it doesn't need to heat your home. (As reported on Baxi Solo 2)

Pick your boiler brand for the Lights: Off, Off, Off fix

Baxi Lights: Off, Off, Off 2 models Potterton Lights: Off, Off, Off 3 models

Source

Information for the Lights: Off, Off, Off 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 31 August 2026