Why does my rice cooker cook so slowly? Is something wrong?

Your rice cooker can work normally, but it's a little slow.

It's not the temperature control. If the temperature control is broken, he will cook almost all the time, not as slow as you said.

In fact, the problem is very simple, that is, the rice cooker is too low to contact with a round little thing that the cooker touches.

All you have to do is polish it with a piece of sandpaper. I suggest you try!