Dryer will not start at all; no drum movement when Start is pressed (lights may be on).

Safety First: Unplug the dryer before testing switches or removing panels.

• Check power and controls: Verify the dryer powers on and the control responds. If completely dead, see separate "no power" fault.
• Door switch test: Open and close the door; the drum light (if equipped) should turn on/off. Test the door switch with a multimeter for proper continuity when closed.
• Thermal fuse: Locate the thermal fuse on the blower housing and test for continuity. Replace if open and inspect venting for restrictions.
• Start switch: On mechanical-timer models, remove the control panel back cover and test the push-to-start switch for continuity when pressed.
• Belt switch (if equipped): Some Whirlpool dryers have a belt switch near the motor. If the belt is broken, the switch opens and prevents start. Inspect the belt and switch operation.
• Replace failed parts: Install new Whirlpool door switch, thermal fuse, start switch, or belt as indicated by testing.
• Reassemble and test: Restore power and verify the dryer starts and runs normally.