H02.00 Low

Remeha H02.00 Fault Code

Also written as H0200 — same fault.

The Remeha H02.00 fault code means: your boiler is currently restarting itself, so please wait a few minutes to see if it begins operating normally again.. It appears on 1 Remeha 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: Reset In Progress

DIY fix possible

Wait for 5 to 10 minutes to see if the boiler completes the restart process automaticallyIf the code persists, press the Reset button on the boiler display panel onceEnsure your thermostat is calling for heat to see if the system recovers

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Remeha models that show the H02.00 fault code

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

Source

Remeha H02.00 fault code information on this page is sourced and cross-checked against the official Remeha service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026