--- title: "Dishwasher Not Cleaning Dishes: Causes and Fixes" description: "Dishes come out with food stuck on, gritty film or spots that a full cycle should have removed." url: "https://dishwasherrepair.center/problems/dishwasher-not-cleaning/" --- # Dishwasher Not Cleaning Dishes Dishes come out with food stuck on, gritty film or spots that a full cycle should have removed. ## What it usually means. Cleaning depends on four things working together: enough hot water, enough pressure through the spray arms, the right detergent released at the right time, and a filter that keeps grit from being recirculated. When results slip, the cause is usually on the owner side of that list, such as loading or a dirty filter. When they slip suddenly on every rack, it points to circulation or heat. The 5 causes, cheapest first Answer these first 01 Is the problem on the top rack, the bottom rack, or everywhere? 02 Is the residue food, a gritty sand-like film, or white chalky spots? 03 Do you hear the usual swishing of water during the wash, or is it quiet? 04 Is the detergent cup empty at the end of the cycle? 05 Do you run the kitchen faucet hot before starting the machine? ## Check these before you book. Dishwasher not cleaning dishes: 5 checks, and none of them costs anything. 01 Clean the filter and rinse the sump area beneath it. 02 Take off the spray arms, flush the nozzles and make sure each arm spins freely by hand. 03 Run the kitchen faucet until the water is hot before you start the cycle. ### Also worth checking - Check that tall items are not blocking an arm or the detergent door. - Use fresh detergent; powder and pods lose strength once they absorb moisture. ### How soon does it need a visit? Not urgent. Dishes that come out dirty are an inconvenience, and nothing is at risk while you hand-wash for a few days. ## The causes, cheapest first. 5 things dishwasher not cleaning dishes turns out to be, from dirty filter recirculating grit to circulation pump or wash motor weak. [The cost guide](https://dishwasherrepair.center/cost/) 1. 01 no repair ### Dirty filter recirculating grit A clogged filter sends fine debris back through the spray arms, which leaves a sandy film on glasses and plates. [Fixed by maintenance](https://dishwasherrepair.center/services/maintenance-and-filter-cleaning/) 2. 02 lowest ### Blocked or stuck spray arm Seeds, labels and scale plug the nozzles, and a tall pan can stop an arm from turning. A spray arm that does not spin cleans only one strip. [Fixed by maintenance](https://dishwasherrepair.center/services/maintenance-and-filter-cleaning/) 3. 03 low ### Water not hot enough Detergent enzymes and grease need heat. A water heater set low, a long pipe run or a weak element leaves dishes greasy. [Fixed by heating and drying repair](https://dishwasherrepair.center/services/heating-and-drying-repair/) [See dishwasher not heating water](https://dishwasherrepair.center/problems/dishwasher-not-heating/) 4. 04 low ### Low fill from inlet valve or pressure A partly clogged inlet screen or a weak valve lets in too little water, and the pump draws air instead of pushing spray. [Fixed by fill and water valve repair](https://dishwasherrepair.center/services/fill-and-water-valve-repair/) 5. 05 moderate ### Circulation pump or wash motor weak A worn impeller or a failing motor moves less water. The machine sounds quieter than it did, and every rack comes out worse at once. [Fixed by wash motor and circulation](https://dishwasherrepair.center/services/wash-motor-and-circulation-repair/) 6. What it costs ### Every repair on the site's cost scale, side by side Open the cost guide ## What else it could be. Most often confused with cloudy glasses and white residue, then dishwasher not heating water. [All problems](https://dishwasherrepair.center/problems/) Codes that come with it - [`F45` ASKO · Wash motor and circulation](https://dishwasherrepair.center/error-codes/asko-f45/) - [`F56` ASKO · Wash motor and circulation](https://dishwasherrepair.center/error-codes/asko-f56/) - [`3C` Dacor · Wash motor and circulation](https://dishwasherrepair.center/error-codes/dacor-3c/) - [`i40` Electrolux · Drain](https://dishwasherrepair.center/error-codes/electrolux-i40/) - [`A6` Fisher & Paykel · Wash motor and circulation](https://dishwasherrepair.center/error-codes/fisher-and-paykel-a6/) - [`i40` Frigidaire · Drain](https://dishwasherrepair.center/error-codes/frigidaire-i40/) [11 more codes, by make](https://dishwasherrepair.center/error-codes/) Also related - [**Dishwasher Not Draining** 6 causes](https://dishwasherrepair.center/problems/dishwasher-not-draining/) - [**Dishwasher Not Filling With Water** 5 causes](https://dishwasherrepair.center/problems/dishwasher-not-filling/) ### Cloudy Glasses and White Residue 6 causes ### Dishwasher Not Heating Water 5 causes ### Dishwasher Detergent Not Dispensing 6 causes ## The makes it happens on. 27 makes on this site; dishwasher not cleaning dishes can show up on any of them. Each mark opens that make's own page. [All 27 brands](https://dishwasherrepair.center/brands/) ## Dishwasher Not Cleaning Dishes, where we come out. 9 metros, each with its own page. 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Scrape, do not rinse. Modern detergents use enzymes that need some soil to work on, and many machines measure how dirty the water is to choose the cycle length. Fully rinsed dishes can end up with a cycle that is too short. ### Why is only the top rack dirty? The upper arm is fed through a tube from the pump, so a loose connection, a blocked nozzle or a tall item on the bottom rack in its path starves it. Check that the upper arm turns and that its feed tube lines up with the rack. ### Could my water be the problem? Hard water leaves a white film and reduces detergent performance, and cool water leaves grease. A rinse aid and a hotter water heater setting often solve problems that look mechanical. ### Is a more expensive detergent worth trying? It can help with hard water or heavy soil, but it will not rescue a spray arm that does not turn or a filter that is clogged. Sort out the mechanical side first, then compare detergents. --- **[Read on the site: Dishwasher Not Cleaning Dishes: Causes and Fixes](https://dishwasherrepair.center/problems/dishwasher-not-cleaning/)** **[Book a visit with DishwasherRepair.center](https://dishwasherrepair.center/schedule/)**