Dryer takes excessively long to dry clothes; loads are still damp after the normal program finishes, but some heat is present.

Safety first: Unplug the dryer before removing panels or hoses.

Step-by-step checks:

• Clean lint filter: Remove and thoroughly clean the lint filter after every load. Wash with warm soapy water if coated.
• Condenser models: Remove the condenser from the front compartment. Rinse under warm water until clear. Clean the housing and any secondary filters.
• Vented models: Disconnect the vent hose from the back of the dryer and from the wall. Shake out lint and vacuum the inside. Check the external vent flap for obstructions.
• Check installation: Avoid long, crushed, or sharply bent vent hoses that restrict airflow.

When to call a technician: If airflow is good but drying is still poor, the moisture sensor or control system may need professional testing.