Safety: Unplug the unit. Beware of sharp metal edges around the fan housing.

Steps:

Check for obstructions: Remove the front grille and filter. Look for plastic bags, debris, or ice blocking the fan wheel.
Spin test: Gently spin the fan by hand. It should rotate freely without grinding or rubbing. If it binds, remove the housing and clear obstructions or replace the fan assembly.
Access fan motor: Remove the rear or side panel to expose the fan motor and bracket. Inspect the fan blade or cross-flow wheel for cracks or imbalance.
Electrical check: Inspect the fan motor wiring harness and connector at the main PCB. Reseat the connector.
Power test (advanced): With the unit reassembled enough for safe operation and using extreme caution, power the unit and listen/observe if the fan attempts to start. If it hums but does not spin, the motor or its capacitor is likely bad.
Replace parts: Install a new fan motor assembly and, if separate, a new fan capacitor specified for your Sharp model.

Note: Do not bypass safety interlocks or run the unit with covers removed unless you are experienced and can do so safely.

Dehumidifier shows E7 and stops; fan may run intermittently.

Possible Causes