BoilerFaultCodes Flame failure: lock out High
Your boiler has stopped working because it cannot light the flame or keep it burning, requiring a professional to check the gas supply and internal safety sensors.
Call an engineer soon
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: In the event of a flame failure the boiler will lock out (on the gas pressure switch). Manual intervention is required to reset the boiler once the cause of the problem has been rectified.
Typical repair cost £120-250 (including labour)
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.
Gas Safe Register →Protect yourself from future repair bills
A boiler cover plan would cover faults like Flame failure: lock out — no call-out fees, no surprises.
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Remeha Quinta 30 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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