Potterton 270 Fault Code
The Potterton 270 fault code means: your boiler has detected that water is not flowing through it properly, which could mean the system is empty or the pump is struggling to push water around.. It appears on 2 Potterton models in our database.
Technical description: Circulation Fault (Dry Fire)
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 270 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton 270 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