What the manual says
Manufacturer manualBleed radiators, refill system to 1.0 bar, check that radiator and boiler valves are open and reset boiler. If fault continues call an Engineer
From this model's manual
Verified against the Ideal Vogue installation & service manual, page 60.
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.
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