The answer to 'how to maintain dehumidifier' is to regularly clean and maintain your dehumidifier to ensure it operates efficiently and effectively. This includes cleaning the air filter, emptying the water collection tank, and wiping down the interior components.
Start by unplugging the dehumidifier and removing the air filter. Rinse the filter under warm water and let it fully dry before replacing it. Next, empty the water collection tank and clean it with a mild soap and water solution. Wipe down the interior of the dehumidifier using a damp cloth to remove any dust or debris. Finally, check the coils and ensure there is no buildup of dirt or frost.