Troubleshooting a Dryer: Drum Doesn't Tumble
If the dryer will start but the drum refuses to turn, there are three possible causes: the belt, the motor, or the capacitor. 3. Belt Problems. The belt is the easiest problem to check. Try to turn the drum with your hand. With a working belt, the drum will be a little stiff, and you'll need to put in some effort to turn it.