Low
E153 on Baxi Duo-tec Combi

Your boiler is signalling that the reset button has been pushed even though no actual error has been detected.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Reset button pressed while no fault present

DIY fix possible

Turn the boiler off at the mains power switch.Wait for 60 seconds to allow the internal electronics to fully power down.Switch the power back on and observe if the boiler resumes normal operation.

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