Check the heating element, thermal fuse, and thermostat with a multimeter for continuity. Replace any faulty parts—most are accessible behind the back panel.

Use rubber gloves or a damp sponge to collect hair before washing, or add 1/2 cup vinegar to rinse cycle.

Inspect the door gasket for cracks, tighten hose connections, and ensure the unit is level (adjust legs if wobbly).