Dehumidifier displays EC and stops dehumidifying.

Safety: Unplug the unit before inspection. Do not attempt to open the sealed refrigeration system unless you are certified.

Steps to address EC:

• Clean filter and coils: Ensure the air filter is clean and the condenser coil is free of dust. Poor airflow can mimic refrigerant issues.
• Observe coil operation: Remove the front cover and run the unit briefly. The evaporator coil should get evenly cool across its surface. If only a small section frosts or cools, this suggests a refrigerant problem.
• Check evaporator sensor: Verify the coil sensor is firmly attached and wiring is intact. Replace the evaporator temperature sensor if damaged.
• Room conditions: Very low humidity or low room temperature can cause EC on some models. Try operating in a warmer, more humid area.
• Professional diagnosis: If EC persists and the coil is not cooling properly, the sealed system likely has a leak or restriction. Contact a qualified technician for refrigerant pressure testing and repair.