The Clean Cycle Is Basically a Vinegar Flush

The clean cycle on a countertop ice maker flushes the internal water lines and ice mold with a descaling solution — it’s a vinegar rinse with extra steps.

The point is to remove calcium scale and biofilm from the parts you can’t reach. Tap water leaves minerals behind, and every time the machine drains and refills, that gunk builds up on the internal reservoir and in the tubing. Eventually it affects ice production and can make the ice taste/smell off. The clean cycle pumps a weak acid (usually vinegar, sometimes a citric acid cleaner) through that whole water path to dissolve the scale, then runs