Samsung Dishwasher Not Drying Dishes: Causes and Fixes to Try

You pull out the racks and everything is clean, but the plastic is wet, the cups hold puddles on their bases and the glasses are spotted. That can be a simple matter of loading and rinse aid, or a drying system that is not doing its job. Because drying depends on heat, airflow and the way water sheets off surfaces, there are several places to look before you suspect a part.

How a dishwasher dries

Most dishwashers finish with a hot final rinse that warms dishes so the water on them evaporates. Some add a heating element in the tub, a fan or a vent that moves humid air out of the cabinet, or a condensation design that lets steam settle on the cool tub wall and drain away. Plastic stays wet longer than glass or ceramic because it holds less heat. A cycle with a dry option turned off, or an energy-saving setting that skips heated drying, will leave more water behind, and that is by design.

Start with settings and habits

• Check that the cycle you chose includes a drying phase, and that any heated-dry or extra-dry option is switched on.
• Look at the rinse aid dispenser and refill it if it is empty. Rinse aid helps water run off dishes instead of beading.
• Avoid opening the door early; the trapped heat and steam are part of how drying finishes.
• Load plastic items on the top rack, where they are less likely to hold pools, and tilt cups so their bases face downward.
• Do not crowd the racks. Dishes that touch each other trap water between them.

Water and detergent matters

If your hot water arrives slowly, the first fill may be cool. Run the kitchen tap until it warms before you start the dishwasher. Hard water can leave a film that prevents sheeting, and a build-up of detergent residue in the dispenser area can reduce rinse performance. Using a dishwasher cleaner now and then helps with both.

Check the vent and the airflow

Many Samsung dishwashers release moist air through a vent near the door or through a fan assembly. Wipe around the vent area and make sure nothing blocks it, such as a tall item resting against the door panel. In a tight San Francisco kitchen where the dishwasher sits under a countertop with limited clearance, check also that the unit is not squeezed so tightly that steam cannot escape. Heat and steam trapped in a cabinet also stress the countertop and cabinet face, so airflow matters beyond dry dishes.

Codes that relate to drying

If a code appears near the end of the cycle, write it down. Several relate to the heating and drying stage:

• FC is listed for a dry phase where dishes stay wet, with little or no warm air at the vent.
• HC2 describes a wash that completes but drying fails or ends early.

Seeing one of these makes a heater, sensor or fan problem more likely. You cannot test those parts yourself, and opening the lower panel is not safe.

Heater and sensor problems

When the final rinse never heats the water, a heating element or its temperature sensor may have failed. When the element heats and then stops too soon, a safety device or a control signal may be cutting it off. A technician checks these by measuring and testing under power, which is not an owner task. The symptom to describe is whether the dishes feel warm when the cycle ends. Warm dishes that are still wet point toward airflow and rinse aid. Cool dishes point toward heat.

What not to do

• Do not remove the lower panel to look at the heater.
• Do not use the dishwasher with the door ajar to air dry; it can leak steam into the cabinet.
• Do not add rinse aid directly into the tub.
• Do not run extra cycles repeatedly in the hope of drying; if the heating phase is faulty, the result stays the same.

If you notice a burning smell, scorched plastic, or a hot panel, switch the breaker off and leave the unit alone.

When to book

Book if the problem remains after you’ve checked the settings, rinse aid, loading and vent, if the dishes come out cool and wet, or if a drying-stage code appears. Have the model number and the code ready. See the Samsung dishwasher repair page for how a visit works, the Samsung dishwashers guide for the lineup, and the DW70H83YEURAA model page for a sample entry. We diagnose before repair, with a written estimate, and nothing is repaired without your approval.

A simple comparison test

Run one normal cycle with a heated dry option and place a ceramic plate and a plastic container side by side on the top rack. If the plate comes out warm and dry while the plastic holds water, the dishwasher is behaving normally and loading is the answer. If both stay wet and cool, the heat or airflow is lacking and a diagnosis makes sense. Write down which items stayed wet when you book.

Cabinet and countertop clues

Check the underside of the countertop above the dishwasher and the cabinet face beside it for swelling or moisture marks. Steam that escapes where it should not points to a door or vent fit issue and not a heater issue. In older kitchens the thin edge trim sometimes warps over time. Mention anything you notice when you book, since it changes where a technician looks first.

Frequently asked questions