Potterton Circulation Fault Code
Also written as CIRCULATION — same fault.
The Potterton Circulation fault code means: your boiler has detected that hot water is not flowing through your heating system correctly, which is causing it to shut down to prevent overheating.. It appears on 1 Potterton model in our database.
Technical description: Fault with the water circulation within the system. Indicator lit on the door panel.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Potterton models that show the Circulation fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton Circulation 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 27 April 2026