AM019 Low

Baxi AM019 Fault Code

The Baxi AM019 fault code means: your boiler is simply displaying the current water pressure reading in your heating system, rather than indicating an actual fault.. It appears on 1 Baxi model in our database.

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: Actual water pressure in central heating system bar

DIY fix possible

Check the pressure gauge on the front or underside of the boiler.Verify the reading is between 1.0 and 1.5 bar while the heating is off.If the reading is normal, press the reset button to return to the standard display.

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Baxi models that show the AM019 fault code

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

Source

Baxi AM019 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 7 July 2026