BoilerFaultCodesSaunier Duval E13 Fault Code
The Saunier Duval E13 fault code means: the main electronic brain of your boiler is experiencing a malfunction and can no longer control the heating or hot water processes correctly.. It appears on 6 Saunier Duval models in our database.
Technical description: Main PCB fault
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Saunier Duval models that show the E13 fault code
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Source
Saunier Duval E13 fault code information on this page is sourced and cross-checked against the official Saunier Duval service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026