Ideal 413 Fault Code
The Ideal 413 fault code means: your boiler's computer control board has developed an internal electrical fault and can no longer communicate with the rest of the system.. It appears on 2 Ideal models in our database.
Technical description: Internal failure - electronic
What causes the Ideal 413 fault?
This fault occurs when the boiler's internal computer brain suffers a hardware failure, meaning it can no longer send or receive instructions to vital components like the pump or gas valve. The most common reason is an electrical short-circuit or component degradation on the circuit board itself, which prevents the system from passing its safety checks.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Search the official register for a qualified engineer in your area.
Gas Safe Register →Ideal models that show the 413 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ideal 413 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