BoilerFaultCodesYour boiler's main control unit cannot talk to the gas valve, meaning it isn't receiving the signal it needs to burn fuel and provide warmth.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: No communication between controller and gas valve controller – could not be connected or valve damaged
What causes this fault?
This fault occurs when the boiler's internal computer loses its connection with the electronic controller on the gas valve. The most common reason is a loose or damaged connection in the wiring harness, or an internal failure within the gas valve's control module itself.
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 A61 — no call-out fees, no surprises.
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Ferroli Modena HE 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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