F2 High

Potterton F2 Fault Code

The Potterton F2 fault code means: your boiler is struggling to vent its exhaust gases safely because it is located in a restricted outdoor area, causing the system to shut down to prevent a build-up of fumes.. It appears on 1 Potterton model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Below balconies or car port roof.

Engineer required

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

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Potterton models that show the F2 fault code

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

Source

Potterton F2 fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.

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