Dishes come out wet (dishwasher won't dry)

Q: Dishes come out wet (dishwasher won't dry)

In Canada, when a dishwasher leaves dishes wet, the most common cause is an empty rinse-aid dispenser — modern machines rely on rinse aid to sheet water off so dishes flash-dry, and topping it up is a quick, cheap fix. Also check that heated dry (or extra dry) is turned on, that plastic items aren't the only things left damp, and that the incoming water is genuinely hot. Persistent wet dishes with all of that sorted can mean a failed drying heater or vent/fan on models that use them — an appliance technician's job. If you ever smell burning, stop and unplug the machine.

Wet dishes at the end of a cycle are annoying, but they're usually a settings-or-supplies fix, not a broken machine — most often the rinse-aid dispenser is simply empty.

tuneWhat are you noticing?

Select anything that matches and the checklist below reorders to fit. Not sure? Skip it.

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Start here

In Canada, start with the rinse-aid dispenser. Most modern dishwashers rely on rinse aid to sheet water off dishes so they dry, and an empty dispenser is the single most common reason dishes come out wet. Pop open the cap next to the detergent cup; if it's empty or low, fill it and run a normal cycle. Cheap, and often the whole fix.

Ranked from real-world failure data. The order updates as you select what you’re noticing above.

Likely causes, in the order to check them

Showing the typical order

Beginner-friendly Doable, with care Safety-critical Call a pro

handymanHow to fix it

Open the rinse-aid dispenser cap beside the detergent cup, fill it to the "max" line with liquid rinse aid, wipe up any spills, and set the dispenser dial toward a higher setting if dishes still spot or stay wet.

Find the rinse-aid dispenser on the inside of the door, next to the detergent cup — it has a round cap, often marked with a fan or star icon.
Twist the cap open, pour in liquid rinse aid until it reaches the "full" or "max" indicator, and stop before it overflows.
Close the cap firmly and wipe away any rinse aid that spilled onto the door — excess can foam and leave residue.
Run a normal cycle. If dishes still come out wet or spotty, turn the dispenser's dose dial up a notch and try again.

schedule5 min savings$5–12

Liquid dishwasher rinse aidAny standard liquid rinse aid (e.g. Finish Jet-Dry); one bottle lasts months

gavel Check your province first AB: homeowner may do this · BC: homeowner may do this · ON: homeowner may do this · PE: homeowner may do this · QC: homeowner may do this
Filling the rinse-aid dispenser is routine homeowner maintenance in every province. Note: the separate drying-element/vent repair is not a homeowner task and, where it involves 120 V wiring work, may be licensed electrical work in some provinces — route that to an appliance technician.

visibilityHow to check

warning Hot water scalds — adjust in small stepsWater at 60 C (140 F) can scald in seconds, and small children and older adults burn faster. If you turn the water heater up to improve drying, raise it a little at a time and re-check the temperature at a tap, rather than jumping straight to the maximum. If your household includes young kids, keep the tap temperature moderate and lean on rinse aid and heated dry instead.

Run the kitchen hot tap nearest the dishwasher and let it run — if it takes a long time to get hot, the dishwasher is starting its cycle on cool water.
For a number, catch the running hot water in a cup and read a kitchen thermometer; a good final rinse wants water at the tap in the roughly 49–60 C (120–140 F) range.
If it reads low, check the water heater setpoint. Turning it up a little can help drying — but raise it in small steps and re-check, because hotter water scalds faster.

buildkitchen thermometer schedule10 min

verifiedWhy this one goes to a pro

Testing or replacing a dishwasher's drying heating element or vent/fan means opening the machine, disconnecting it from power and water, and working around 120 V wiring inside a wet appliance. This is work for an appliance technician — replacing a rinse-aid bottle or changing a setting will fix far more wet-dish problems than opening the machine ever will.

Your notes travel with the request — what you saw, what you ruled out, when it started — so the pro arrives with a head start instead of a mystery.

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Why the list is in this order

We don’t sort by likelihood alone. We sort the way a good, honest tradesperson thinks: rule out the free, safe, common causes first. That’s why the cheap checks outrank the expensive repairs — and why anything dangerous gets a hard stop instead of a pep talk. The order exists to save you money, not to sell you anything.