H.02 .00 Low

Baxi H.02 .00 Fault Code

Also written as H0200 — same fault.

The Baxi H.02 .00 fault code means: your boiler is currently resetting itself after a recent issue or power interruption and should begin working normally again shortly.. It appears on 7 Baxi models 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: Reset in progress

DIY fix possible

Wait 5 to 10 minutes for the boiler to complete its internal reset process.If the code persists, restart your boiler using the main power switch.Monitor the display to see if the system returns to normal operation.

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Baxi models that show the H.02 .00 fault code

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

Source

Baxi H.02 .00 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