Potterton IPX5D Fault Code
The Potterton IPX5D fault code means: this code is not actually a fault, but a technical label on your boiler indicating it is built to be protected against water splashes.. It appears on 1 Potterton model in our database.
Technical description: Degree of protection against humidity (EN 60529)
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 IPX5D fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton IPX5D 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