Technical description
Setting for appliance control (1 X: central heating modulating; 2 X: central heating high/low ext.input; X 0: central heating off, D.H.W.off; X 1: central heating on, D.H.W.on; X 2: central heating on, D.H.W.off; X 3: central heating off, D.H.W.on)
DIY fix possible
Check your thermostat or external controls to see if they are set to off.Access the boiler control panel and adjust the setting values if the heating or hot water is disabled when you want it on.Restart the boiler to see if it clears a temporary configuration mismatch.
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