BoilerFaultCodesYour boiler's internal computer parts have stopped talking to each other, meaning the unit cannot function.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Failure internal communication bus
What causes this fault?
This fault occurs when the boiler’s central brain can no longer send or receive signals from the other electronic components inside the unit. The most common reason is a hardware failure on the main circuit board or a loose connection in the internal wiring caused by long-term vibration or heat.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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A boiler cover plan would cover faults like 11 — no call-out fees, no surprises.
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Remeha Selecta is discontinued — time for a new one?
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