P02 Low

Ferroli P02 Fault Code

The Ferroli P02 fault code means: your boiler is currently taking a short break to allow the water in your radiators to cool down before it restarts, which is a normal part of its operating cycle.. It appears on 1 Ferroli 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: The radiator heating temperature drop that lets the boiler restart after shut off when the supply became higher than the set point

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Ferroli models that show the P02 fault code

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

Source

Ferroli P02 fault code information on this page is sourced and cross-checked against the official Ferroli service / installation manuals for each affected model.

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