What the manual says
Manufacturer manualI) Gas service tap not open fully; II) Gas pressure low; III) Water rate low; IV) Gas valve not opening; V) Diaphragm punctured; VI) Venturi blocked or loose; VII) Gas control tap faulty; VIII) Wrong injector; IX) Slow ignition device stuck or wrongly adjusted
Engineer required
This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Avoid the next call-out bill
A cover plan would handle faults like MAIN BURNER DOES NOT LIGHT: no call-out fees, no surprise bills.
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All 22 fault codes on the Britony II 50FF
Seeing a different code? Every code this model can display, in one place.
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