Ideal E 13 Fault Code
Also written as E13 — same fault.
The Ideal E 13 fault code means: your boiler has detected an internal computer error that is preventing it from starting up correctly.. It appears on 1 Ideal model in our database.
Technical description: Internal failure
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Ideal models that show the E 13 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ideal E 13 fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026