How much does it cost to fix Baxi error code Overheat indicator light?

Typical repair cost for the Baxi Overheat indicator light fault is £0-150 including labour.

Overheat indicator light High

Baxi Overheat indicator light Fault Code

Q: What does the Baxi Overheat indicator light fault code mean?

Your boiler has switched itself off because it got too hot or experienced a power cut, and it simply needs to be manually reset to start working again.

Also written as OVERHEATINDICATORLIGHT — same fault.

The Baxi Overheat indicator light fault code means: your boiler has switched itself off because it got too hot or experienced a power cut, and it simply needs to be manually reset to start working again.. It appears on 3 Baxi models in our database.

Technical description: The 'overheat' indicator light will be illuminated if the appliance needs resetting. This occurs should the system overheat or due to an interruption to the electricity supply.

Typical repair cost £0-150 (including labour)

DIY fix possible

Locate the overheat reset button on the bottom of the boiler control boxPress the reset button firmlyWait for the boiler to restart and check if the light has gone out

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Baxi models that show the Overheat indicator light fault code

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

Source

Baxi Overheat indicator 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