The mains water connection (angle valve) is not open.
Check whether the mains water connection is open.
Open the mains water connection.
Check water inlet and empty water container appears on the coffee machine display.
Check whether the mains water connection is open.
Open the mains water connection.
Undo the kink so that the fresh water can flow though the water inlet hose freely.
Check whether the float switch moves when you shake the water container.
Clean the water container so that the float switch can move freely.