BoilerFaultCodesYour boiler is failing to start because it cannot detect enough water pressure circulating inside the system.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Lack of water in system.
DIY fix possible
Locate the external filling loop, usually a silver braided hose connecting two pipes under the boilerOpen the filling valve slowly until the pressure gauge on the front of the boiler reads between 1 and 1.5 barClose the filling valve tightly and restart the boiler
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 Main burner will not light or lights at low flame (6) — no call-out fees, no surprises.
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Chaffoteaux Flexiflame 140 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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