Check the right function of the doser.
Check that the doser isn’t noisy.
When the doser is activated the led of the key number 3 will be
Absorbing resistance coffee boiler
Check through the ampere meter if coffee boiler is absorbing
Check the right function of the pump.
Check the noise of the pump
Key’s 1+5 water knob open
Check the functions and the lightness of all the led.
Reed sensor for water level.
The water tank has to be empty.
Start taking it off very slowly.
First it has to be turned off
then it has to be turned on
then it has to be turned off again.
Opening the service door.
Open the service door and check that the key number 5 is turned on.
Take off the drip tray and check that it’s turned on the led number
Take off the brewing unit and check that the key number 4 is turned