BoilerFaultCodesYour boiler’s main computer brain has experienced a critical electronic failure and can no longer control the heating system.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Internal failure - electronic
What causes this fault?
This fault occurs when the boiler's internal computer chips stop communicating correctly or suffer a physical electronic breakdown. The most common reason is general wear and tear of the electrical components, but it can also be triggered by a sudden power surge or moisture getting into the control box.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
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A boiler cover plan would cover faults like 416 — no call-out fees, no surprises.
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Ideal Response SE is discontinued — time for a new one?
Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.
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