--- title: "Dishwasher Not Heating Water: Causes and Fixes" description: "Dishes and the tub are cool at the end of the cycle, and grease stays on plates." url: "https://dishwasherrepair.center/problems/dishwasher-not-heating/" --- # Dishwasher Not Heating Water Dishes and the tub are cool at the end of the cycle, and grease stays on plates. ## What it usually means. A dishwasher starts with the water from your water heater and then raises it with its own element. If the incoming water is cool or the element does nothing, detergent struggles, grease stays, and dishes come out cool and wet. Some machines also stall their cycle while they wait for a temperature they never reach. The water heater setting and the kitchen faucet are the first things to check. The 5 causes, cheapest first Answer these first 01 Is the water at the kitchen faucet hot within a minute of running it? 02 Are the dishes and the inside of the door cool when the cycle ends? 03 Is the cycle also taking much longer than it used to? 04 Is there a visible heating element loop at the bottom of the tub? 05 Did the breaker trip at any point recently? ## Check these before you book. Dishwasher not heating water: 5 checks, and none of them costs anything. 01 Run the kitchen faucet hot before starting, and check the water heater setting. 02 Choose a cycle with high temperature or sanitize to confirm the element is being called for. 03 Touch a mug on the top rack right after the cycle; it should be hot, not warm. ### Also worth checking - Look at the element loop for visible breaks or blistered spots once the tub is cool. - Note whether the cycle stalls on the countdown; it helps narrow the part. ### How soon does it need a visit? Not urgent. Hand-wash greasy items until a visit; if the breaker has also been tripping, turn it off and keep the machine unpowered. ## The causes, cheapest first. 5 things dishwasher not heating water turns out to be, from water heater set too low or far away to relay on the control board. [The cost guide](https://dishwasherrepair.center/cost/) 1. 01 no repair ### Water heater set too low or far away A water heater below 120°F, or a long pipe run that fills the machine with cold water, starts every cycle at a disadvantage. No repair: check it yourself 2. 02 low to moderate ### Open heating element An element that has burned out draws no current and stays cold. It is the usual cause when the faucet is hot and the dishes are not. [Fixed by heating and drying repair](https://dishwasherrepair.center/services/heating-and-drying-repair/) 3. 03 low ### High-limit thermostat open A safety thermostat cuts power to the element if it overheats. Once it opens, it may not close again. [Fixed by heating and drying repair](https://dishwasherrepair.center/services/heating-and-drying-repair/) 4. 04 low ### Temperature sensor out of range A sensor that reads high tells the control the water is already hot, so the element never switches on. [Fixed by controls and sensors](https://dishwasherrepair.center/services/controls-and-sensors/) 5. 05 moderate ### Relay on the control board The board powers the element through a relay. A burnt contact leaves the element and its thermostat fine but unpowered. [Fixed by controls and sensors](https://dishwasherrepair.center/services/controls-and-sensors/) 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 dishwasher not drying dishes, then dishwasher cycle takes too long. [All problems](https://dishwasherrepair.center/problems/) Codes that come with it - [`F41` ASKO · Heating](https://dishwasherrepair.center/error-codes/asko-f41/) - [`F6` Bertazzoni · Sensor circuit](https://dishwasherrepair.center/error-codes/bertazzoni-f6/) - [`F8` Bertazzoni · Heating](https://dishwasherrepair.center/error-codes/bertazzoni-f8/) - [`E09` Bosch · Heating](https://dishwasherrepair.center/error-codes/bosch-e09/) - [`HC` Dacor · Heating](https://dishwasherrepair.center/error-codes/dacor-hc/) - [`A09` Fisher & Paykel · Heating](https://dishwasherrepair.center/error-codes/fisher-and-paykel-a09/) [28 more codes, by make](https://dishwasherrepair.center/error-codes/) Also related - [**Dishwasher Tripping the Breaker** 5 causes · water or wiring at risk](https://dishwasherrepair.center/problems/dishwasher-tripping-breaker/) ### Dishwasher Not Drying Dishes 5 causes ### Dishwasher Cycle Takes Too Long 5 causes ### Dishwasher Not Cleaning Dishes 5 causes ## The makes it happens on. 27 makes on this site; dishwasher not heating water can show up on any of them. Each mark opens that make's own page. [All 27 brands](https://dishwasherrepair.center/brands/) ## Dishwasher Not Heating Water, where we come out. 9 metros, each with its own page. 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Does it heat at all? Many do, with a heater hidden under the tub or built into the pump housing. Those machines heat the water, not the air, and rely on condensation to dry. A hidden heater can fail just like an exposed loop. ### What temperature should the water be? About 120°F at the faucet is typical, and the machine raises it further during the wash. A sanitize option aims considerably higher for the final rinse. ### Is it safe to run the dishwasher without heat for a while? Yes, though results will be poorer and dishes will not dry well. Stop using it if the breaker trips or if you notice a burning smell. ### Could this be connected to the dishes not drying? Almost always. The same heat that cleans grease also dries the load at the end, so a machine that stopped heating usually stopped drying at the same time. --- **[Read on the site: Dishwasher Not Heating Water: Causes and Fixes](https://dishwasherrepair.center/problems/dishwasher-not-heating/)** **[Book a visit with DishwasherRepair.center](https://dishwasherrepair.center/schedule/)**