How to reset the red & yellow light atop Nespresso Vertuo

What is the red and yellow light on top of the Nespresso Vertuo?

It’s an alert from your machine that it needs to be descaled. Nespresso recommends descaling every 3 months or 300 capsules, whichever comes first.

How do I reset the light?

The lights turn off only after you’ve gone through the entire process of descaling. Be prepared — it takes time! After many frustrating attempts to properly descale, I found these instructions from Simon Atkins the absolute best! Be sure to sign up for a free Medium account so you can clap for Simon, which is how he gets paid for providing this useful information!