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If your CUBE 4' ever malfunctions, here are some possible causes and solutions to help you fix the problem. If the system detects an error, the red on/off button and the status LEDs will flash.
Switch off the device and unplug the power plug.
Here you will find some tips and solutions to frequently asked questions about the CUBE 4'.
Attention: If an error occurs or you cannot solve a problem yourself, please contact our NIVONA service hotline on +49 (0)911/ 252 663-90. Or send an email to service@nivona.com
Our service team will then discuss the next steps with you. Please have your serial number, the model of your CUBE 4' and the exact colour code ready so that we can process your request quickly. (If possible, it's best to include this information in the email).
The coffee comes out of my CUBE 4' in drips - what should I do?
- Maybe your system is calcified. Run a high-dose descaling.
- The grind is too fine – adjust the grind coarser.
- The instant coffee is too fine. Use coarser coffee powder.
- You have added too much coffee powder. You guessed it: use less coffee powder. You can adjust this while grinding.
- The Click Cup sieve is clogged. Clean the Click Cup and the system thoroughly.
- The tamper piston is calcified. Descale your CUBE 4’.
The coffee has no cream and no foam. What is the reason for this?
The brewing unit of your CUBE 4' may be clogged. Clean the Click Cup and perform a complete system clean. If the problem persists, it is probably due to the coffee used. Always use freshly ground coffee beans – ideally directly from a NIVONA specialist dealer or from your local roastery.
I've got a loud grinding noise. What is it?
Usually, the coffee bean and ground coffee do not match exactly. Optimise the grind. There may also be a foreign body in the grinder. You can continue to use your CUBE 4' to make pre-ground powdered coffee. Be sure to call our service and do not grind coffee beans with your CUBE 4’.
The coffee from my CUBE 4' is cold, especially the espresso and ristretto. What's going on?
The amount of ground coffee is not correct - I have too much or too little ground coffee in my Click Cup. What should I do?
My Click Cup is stuck. The lever may have been moved too early during the brewing process. In this case, make sure that the lever is unlocked completely by hand only when the status LEDs on the CUBE are lit. What do I do if the Click Cup is still stuck?
Open the lever fully and manually and release it. If you cannot move the lever up, see the following points.
Lock the CUBE lever down and then disconnect the CUBE from the power supply and then reconnect it. After reconnecting, you will hear a click can be heard, after which the lever can be opened upwards.
Start brewing another coffee (see operating instructions) and wait until the status LEDs light up constantly. The lever can then be opened fully and manually.