There is no humming, no drum turning, just nothing but the power light
by "has stopped working", we assume you mean there is nothing from the macjhine. No hint of a motor spinning? Nothing save the power light.
Stopped heating but drum spinning? http://mendmy.com/answers.php?id=194912
Drum not spinning? http://www.fixya.com/support/t24107189-zanussi_dryer_tc#solution-section
Just try Google. I did.
We may have found other answers which could help you.