Baxi Orange Light Fault Code
Also written as ORANGELIGHT — same fault.
The Baxi Orange Light fault code means: your boiler is receiving power and should be operating normally, as this light typically indicates the appliance is switched on.. It appears on 2 Baxi models in our database.
Technical description: Boiler On
DIY fix possible
Check that your thermostat is turned up high enough to call for heatEnsure the programmer or timer is set to an 'on' periodCheck that the mains power switch for the boiler is in the 'on' position
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Baxi models that show the Orange Light fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Baxi Orange Light fault code information on this page is sourced and cross-checked against the official Baxi service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026