BoilerFaultCodesYour boiler has detected a communication error with the gas valve, preventing it from safely lighting the burner for heating and hot water.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Gas valve control system fault
What causes this fault?
This fault occurs when the boiler's main control board loses the ability to send or receive signals from the gas valve. The most common reason is an internal electronic failure within the gas valve itself or a fault on the circuit board that prevents it from safely controlling the fuel supply.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
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A boiler cover plan would cover faults like F.61 — no call-out fees, no surprises.
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Could it be time for a new boiler?
If repair costs are adding up, a new energy-efficient boiler could be the smarter long-term choice.
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