If the pump on your Nespresso Momento machine is overheating during descaling, please check that the level of descaling or rinsing water is not exceeding the indicated level:

If tank is filled to max level, descaling and rinsing process will end only when tank is emptied which will lead to pump overheat.

To cool the down the pump:

1. Turn your Nespresso Momento machine to OFF and unplug it from the mains power.
2. Leave for 30 minutes to allow the machine to cool down.
3. Plug your Nespresso Moment Machine back into the mains and turn the machine to ON.
4. Run the descale program again.

Descale procedure

The procedure will last about 15 minutes for the Momento coffee only machines, and 60 minutes for the Momento coffee and milk machines. For descaling, use Nespresso liquid descaler. Never use vinegar. 

Prepare the following items to complete the descaling process:

• Cleaning tank 
• Waste water container
• Nespresso liquid descaler - 2 bags for coffee only machines, 4 bags for coffee and milk machines.
• 1 litre of water 

To descale the machine:

1. Remove the water tank from the machine.
2. Remove the lid and empty the water.
3. Remove the water filter.

4. Fill the water tank up to the descaling level with water.

   (The water tank shows different marks. The lower line is for coffee only machines and the higher line is for coffee and milk machines):

       

5. Add the Nespresso liquid descaler - 2 bags for coffee only machines or 4 bags for coffee and milk machines.
6. Attach the lid again and place the water tank back into the machine.
7. Place an empty container under the coffee outlet and start the descaling procedure.
8. When the liquid has stopped, remove the container and empty the contents.
9. Remove the water tank.
10. Remove the lid and fill the water tank with water.
11. Attach the lid again and place the water tank back into the machine.
12. Place an empty container under the coffee outlet and start the rinsing procedure.
13. When the rinsing has completed, remove the container and empty the contents.
14. Remove the water tank and insert the filter back into position.

15. Fill the tank with clean water, attach the lid and place back into the machine.

If this does not resolve the problem, please contact us using the Live Chat in the bottom right or call our Nespresso team on 0808 100 5000.