How much does it cost to fix Baxi error code Orange light (Boiler fault)?

Typical repair cost for the Baxi Orange light (Boiler fault) fault is £100-280 including labour.

Orange light (Boiler fault) High

Baxi Orange light (Boiler fault) Fault Code

Q: What does the Baxi Orange light (Boiler fault) fault code mean?

Your boiler has detected a problem and has shut itself down for safety, meaning your heating and hot water will stop working until it is reset or repaired.

Also written as ORANGELIGHTBOILERFAULT — same fault.

The Baxi Orange light (Boiler fault) fault code means: your boiler has detected a problem and has shut itself down for safety, meaning your heating and hot water will stop working until it is reset or repaired.. It appears on 2 Baxi models in our database.

Technical description: Boiler fault - boiler goes to lockout

Typical repair cost £100-280 (including labour)

DIY fix possible

Locate the reset button on the control panelPress and hold the reset button for five secondsWait for the boiler to attempt to reignite; if the light stays off and the boiler fires, it was a nuisance trip

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Baxi models that show the Orange light (Boiler fault) fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Baxi Orange light (Boiler fault) 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