What the manual says
Manufacturer manualCentral heating stand-by (egg timer symbol / 3 minute delay)
From this model's manual
Verified against the Ferroli Modena F installation & service manual.
DIY fix possible
Wait 3 to 5 minutes for the 'egg timer' delay to finish automaticallyCheck that your room thermostat is set high enough to call for heatEnsure the boiler pressure gauge is between 1 and 1.5 bar
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