Italian coffee machine: common troubleshooting and solutions of Nestl é kalina coffee machine

1 No powder, less powder to check whether the powder cartridge has powder; to see if the powder cartridge spring is installed correctly; whether the powder is caked, do not continue to drink; if there is no caking, remove the powder cartridge and press the corresponding drink button to observe whether the white reducer gear connected to the powder cartridge rotates or not, please report for repair; check whether the discharge gate is open; installation error, the first powder cartridge (coffee) fine shaft is a special purpose