If your coffee machine was not properly rinsed after descaling, coffee might taste acid. To rinse the machine, allow 2 full tanks to percolate through the hot water spout and the boiler outlet.
1.
Place a recipient under the cappuccino maker and another under the coffee spouts.
The recipients must have a minimum capacity of 500 ml each.
2.
Remove the tank form the machine and fill it with clean water (without descaler).
3.
Turn the selector to the position and deliver water until the tank is empty.
4.
Empty the containers and replace them under the cappuccino maker and the coffee spouts.
5.
Remove the tank form the machine and fill it with clean water.
6.
Turn the selector to the position and deliver water until the tank is empty.