| Problem | Possible reasons | Solutions |
| E1 | Coffee bean cup is not assembled correctly | Place the coffee bean cup correctly |
| E2 | Motor overheated from grinding too many times in a row | Let the appliance cool down for 30 minutes |
| The unit grinds the coffee beans, but nothing comes out | The coffee grinder is clogged | Use the cleaning brush and clean the pipe between the burr and the coffee ground cup |
| The unit is grinding too course |
The grind setting is wrong The burr is not assembled correctly |
Choose a lower grinding level Make sure that the burr is correctly assembled and locked into place |
