A dryer drum not spinning is almost never a reason to replace the machine. Before anything else: unplug it and don’t run it again until you’ve figured out why.

Check the Basics First

Confirm it’s actually plugged in, and check both breakers, dryers usually run on a double breaker, and only one tripping can cause weird partial failures. Worth a look before assuming anything’s actually broken.

Give the Drum a Try by Hand

Open the door and try turning the drum yourself. Spins freely with almost no resistance? That points to a broken or slipped belt. Hard to turn, or grinding as it moves? That’s more likely something physically worn or jammed inside, keep reading below.

If what you’re actually hearing is a squeal, grind, or rattle rather than the drum refusing to turn at all, our dryer making noise guide breaks that down by sound instead.

Broken or Slipped Drive Belt

The belt wraps around the drum and connects it to the motor. Over time it wears, stretches, or snaps outright. If the drum spun freely in the test above, this is your prime suspect. Getting to it means opening the cabinet, not a five-minute job, but a manageable one if you’re comfortable with a screwdriver.

Worn Idler Pulley

A separate part from the belt, and an easy one to overlook. The pulley keeps the belt tensioned, and if it wears out or seizes, the belt can slip loose even though it’s otherwise fine. Replaced the belt and the problem came right back? Check this next before assuming the new belt’s defective.

Worn Drum Rollers or Glides

Rollers support the back of the drum, glides support the front, small plastic or felt pieces most people never notice until they wear down. If you felt resistance or heard grinding in the hand-spin test, this is usually why. A dryer drum not spinning smoothly often traces back to one of these two parts before anything electrical is involved.

Overloading Puts Strain on All of the Above

A packed dryer, or one loaded with soaking wet clothes, stresses the belt, pulley, and motor every single cycle, it’s not a failure on its own, but it causes the ones above faster than normal use would. Keep loads to around two-thirds capacity, and don’t dry anything dripping wet, that’s a washer problem, not a dryer one.

Thermal Fuse Tripped

A safety component, separate from your breaker panel, that cuts power if the dryer overheats. If the drum won’t turn and the dryer feels warm but isn’t actually drying anything, this is worth checking. It’s also a sign something else caused the overheating in the first place, so replacing the fuse alone doesn’t always fix the root problem. The City of Toronto notes that lint buildup is a leading cause of dryer fires, which is exactly why a blown thermal fuse often traces back to a blocked vent rather than the fuse itself being defective.

Faulty Door Switch

If the drum won’t turn at all, not even trying, listen for a click when you close the door. No click, no power to the drum, full stop. This one’s a cheap part and a straightforward test with a multimeter.

Motor Failure

If you hear the motor humming or straining but the drum doesn’t move, that’s usually the motor itself, not the belt. Getting to it means pulling the drum and multiple panels, genuinely not a DIY repair for most people. Related reading: Stackable Washer Dryer Repair: The Fault Is Usual, the Access Is Not.

Still Stuck? Time to Call Someone

A dryer drum not spinning after all of the above, motor failure, a control board issue, or persistent grinding, that’s your cue to stop troubleshooting and get someone in for dryer repair. Mention if it’s a gas dryer when you book, that’s worth flagging upfront.