BoilerFaultCodesPotterton CONDENSATE PUMP Fault Code
Also written as CONDENSATEPUMP — same fault.
The Potterton CONDENSATE PUMP fault code means: your boiler has detected that the internal water drainage system is blocked or full, so it has safely shut itself down to prevent internal water damage.. It appears on 1 Potterton model in our database.
Technical description: Condensate pump over level switch activated, reservoir level too high, check pump motor, level switch, or condensate pipework
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 CONDENSATE PUMP fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton CONDENSATE PUMP 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