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HomeRepair HelpBosch Dishwasher RepairBosch Dishwasher not drying dishes Repair
Bosch Dishwasher not drying dishes
If your Bosch dishwasher is not drying dishes and you keep finding dishes still wet at the end of the cycle, the problem usually starts with the vent. A vent that does not open properly traps hot, steamy air inside, so moisture stays on cups, plates, and plastic items. Next most likely is a faulty turbidity sensor, which can keep the dishwasher from moving into the drying cycle at the right time. After that, check the vent fan motor, since a failed fan motor cannot move moist air out of the tub. If your Bosch dishwasher is not heating to dry, the heating element or heating element assembly may be open and should be tested for continuity. A loose or damaged wire harness can also stop power from reaching the element, especially if you see heat damage near the connectors. For a Bosch dishwasher not drying dishes properly, matching the exact part to your model matters, so enter your model number on RepairClinic.com to find the correct Bosch vent, turbidity sensor, vent fan motor, heating element, heating element assembly, or wire harness for your specific dishwasher.
01 - Bosch Dishwasher Vent
The vent might not be opening properly. As the dishes are drying, many dishwashers use a vent to let out the hot, steamy air generated during the rinse cycle. If the vent does not open properly, the dishwasher will leave moisture on the dishes. Check the vent to ensure that it is opening properly.
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02 - Bosch Dishwasher Turbidity Sensor
A dishwasher turbidity sensor measures the amount of food particles in the water being circulated through the appliance to help determine how long a wash or rinse cycle should last. Some sensors also incorporate a thermistor to regulate the temperature. If the sensor is faulty, it may prevent the dishwasher from entering the drying cycle.
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03 - Bosch Dishwasher Vent Fan Motor
Some dishwashers use a vent fan motor to help dry the dishes at the end of the cycle. If the fan motor is not working, the dishwasher won’t dry the dishes properly. To determine if the fan motor has failed, test the motor for continuity. Also, try turning the fan blade by hand to ensure that it spins freely. If the fan motor has burned out or the fan blade won’t turn smoothly, replace the vent fan motor.
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04 - Bosch Dishwasher Heating Element
Some dishwashers use a heating element to heat the dishwasher during the drying cycle. If the heating element has failed, the dishwasher won't dry dishes properly. To determine if the heating element has burned out, use a multimeter to test it for continuity. If the heating element does not have continuity, replace it. Note that some dishwasher heating elements have a resettable fuse that can trip, preventing voltage from reaching the element to heat it. Pressing the button on the fuse will reset it and restore power to the element
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05 - Bosch Dishwasher Heating Element Assembly
Some dishwashers use a heating element to heat the dishwasher during the drying cycle. If the heating element assembly has failed, the dishwasher won't dry dishes properly. To determine if the heating element assembly has burned out, use a multimeter to test it for continuity. If the heating element assembly does not have continuity, replace it. Note that some element assemblies have a resettable fuse that can trip, preventing voltage from reaching the element to heat it. Pressing the button on the fuse will reset it and restore power to the element.
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06 - Bosch Dishwasher Wire Harness
A wire harness allowing voltage to be sent from the dishwasher control board to a heating element could be loose or damaged and unable to provide power to the element. If this happens, the dishwasher may not be able to dry the dishes properly. You should inspect all wire harnesses for loose connections or damage, especially burn marks near the connection points, and replace if necessary.
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Frequently Asked Questions
Why is my Bosch dishwasher not drying dishes?
Why are my Bosch dishwasher dishes still wet at the end of the cycle?
How do I test a Bosch dishwasher heating element for a drying problem?
Can a Bosch dishwasher wire harness cause a no-dry problem?
How do I find the right Bosch dishwasher drying parts for my model?
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