Why Is My Dishwasher Not Drying Dishes? Causes and Fixes

You open the dishwasher expecting dry dishes and find them dripping wet. It's one of the most common dishwasher complaints. The good news: in most cases it's a simple fix.

How Dishwashers Dry Dishes

Understanding how your dishwasher dries helps diagnose what's going wrong. There are three main drying methods:

• Condensation drying: Hot water evaporates off dishes; steam condenses on the cooler stainless steel interior walls and drains away. Most modern dishwashers use this method.
• Fan-assisted drying: A small fan circulates warm air to speed up evaporation.
• Zeolith drying (Bosch): Heat-absorbing mineral granules absorb moisture and release heat to dry dishes — very effective.

5 Most Common Reasons Your Dishwasher Isn’t Drying

1. No Rinse Aid (or Running Low)

This is the number one cause of wet dishes. Rinse aid reduces the surface tension of water, causing it to sheet off rather than form droplets. Without it, water beads on dishes and glasses and they come out wet.

Fix: Fill the rinse aid dispenser and set it to the correct level (usually 2–4 for Australian water hardness). Keep it topped up — it's the single most important thing for drying performance.

2. Plastic Items Not Drying

Plastic doesn't hold heat the way ceramics and glass do. During condensation drying, heat stored in the item helps evaporate residual moisture. Plastic cools quickly, so water stays on it.

Fix: This is a limitation of condensation drying, not a fault. For plastic items, use the highest temperature program available, or towel-dry them quickly. Fan-assisted or zeolith drying (Bosch) works better for plastics.

3. Drying Option Was Not Selected

Many modern dishwashers have separate drying settings. If the drying function was switched off (or set to eco mode, which uses less energy and may leave dishes damp), items come out wet.

Fix: Check your program settings. Enable the drying option, increase the temperature, or switch from an eco cycle to a standard or intensive program.

4. The Dishwasher Wasn’t Hot Enough

Condensation drying relies on the final rinse being hot enough to build up residual heat in the dishes. If the water is only 55°C instead of 65°C+, drying is significantly worse.

Fix: Run a hotter program (e.g., 60°C or 70°C cycle). If the machine doesn't reach temperature on its own, the heating element may be failing.

5. Faulty Heating Element or Thermostat

If the dishwasher was drying well previously and has now stopped, the heating element, thermostat, or temperature sensor may be faulty. This requires a technician to diagnose.

Fix: If the machine is under warranty, contact the manufacturer or retailer. If it's older, assess whether repair vs replacement makes more sense (see our repair vs replace guide).

Improving Drying: Practical Tips

• Open the door immediately after the cycle ends. Let steam escape rather than recondensing on cold dishes. Many dishwashers (Miele's AutoOpen) do this automatically.
• Don't overcrowd the racks. Dishes need airflow around them to dry properly.
• Angle bowls and cups downward so water runs off rather than pooling in the base.
• Increase rinse aid dispenser setting if dishes are still wet despite having rinse aid.

Dishwasher Not Drying AND Not Cleaning Well?

If your dishwasher is underperforming on both cleaning and drying, check: blocked spray arms, low water pressure, old or incorrect detergent, and salt level (for machines with a water softener). Our guide on troubleshooting dishwashers covers these in detail.

Time for a New Dishwasher?

If your dishwasher is old and repairs aren't worth the cost, Oceania Appliances stocks a full range of Bosch, Samsung, Electrolux, and Fisher & Paykel dishwashers at our Wetherill Park showroom. Free delivery across Sydney. Open 7 days, 10 am to 8 pm.