BoilerFaultCodesPotterton E06 059 Fault Code
Also written as E06059 — same fault.
The Potterton E06 059 fault code means: your boiler has stopped working because it cannot detect that water is flowing through the system, so it is choosing not to fire to protect itself from damage.. It appears on 2 Potterton models in our database.
Technical description: Flow Switch
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 E06 059 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton E06 059 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