First time using an induction hob is this normal?

Hey everyone,

Yesterday was my first time using an induction hob (HiSense HI6421BSC), and I tried melting some cheese for a dish. I noticed something odd every 5 or 6 seconds I could hear the power kicking in, then stopping again. When the power came on, the cheese started boiling, and then it stopped when the power cut out. It just kept doing this in an endless loop.

What is strange is that it does not happen when I use the Boost function. The power stays constant and the food cooks normally.

Is this cycling behaviour normal for induction hobs at lower settings, or is there something wrong with mine?