Because heat and airflow have quietly stopped cooperating. Often the dryer is working, just inefficiently. A restricted vent, weakening heating element, or drifting sensor can all create the illusion of effort without results.
It’s a warning, not a suggestion. Lint buildup, overheating components, or electrical strain can all produce that smell. Ignoring it is how minor dryer problems turn into safety issues.
Not suddenly. Rollers, belts, and bearings wear slowly. Noise appears when tolerance disappears. What sounds abrupt usually took months to develop.
Yes, mostly because they age faster. Higher load volumes and longer run times change wear patterns. The repair logic stays the same, but urgency and durability matter more.
When heat control fails, the unit shuts down unexpectedly, or safety feels uncertain. Emergency dryer repair isn’t about panic. It’s about removing risk before damage spreads.