BoilerFaultCodesYour boiler has lost its flame multiple times during operation and has safely shut down to prevent a malfunction.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Flame failure (12 times)
What causes this fault?
This fault occurs when the boiler's internal sensors lose track of the flame too many times while the heating is running. It is usually caused by a worn-out component failing to detect the heat, or an inconsistent supply of gas and air preventing a steady flame from staying lit. The boiler eventually stops for safety because it cannot guarantee the fuel is burning correctly.
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 E128 — 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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