A dehumidifier is built to eliminate excessive humidity from the air and you keep you safe from mold, mildew and dampness. However, there’s no specific rule of maintenance for these units. But just to be on the safe side and keep your home air dry always, you may need to do a number of things for proper upkeep of your dehumidifier. A few issues may come up and hinder your dehumidifier from functioning properly. You can however easily troubleshoot most of them. When you dehumidifier stops it may be because the condensate tank is filled up, the water level is not adjusted, or the evaporator has frozen up. You can troubleshoot the water level by simply adjusting it to a drier level. To solve the freezing up you can introduce some heat in the room, or move the unit to a higher warmer ground. If the unit is not fanning fast enough, then you probably, need an expert to check it.