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Appliance Medic
Appliance Medic, Home Appliance Technician
Category: Appliance
Satisfied Customers: 10831
Experience:  Factory Trained CFC Technician
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The dishwasher makes a brief hum, then click, then does

Customer Question

the dishwasher makes a brief hum, then click, then does nothing. The on/off knob turns a little, and it does it agian.
How can we fix this?
Submitted: 2 years ago.
Category: Appliance
Expert:  Appliance Medic replied 2 years ago.

Hi, when this happens it means the motor is either jammed with debris or has failed. When the impeller inside gets stuck the motor can not turn. It will make a hum when it tries to start and then a click when it clicks off on the thermal protector.

You will need to take the sump/motor apart to check the impeller. If you've never opened one up, you may want to call a technician. If you're fairly handy, you can tackle this issue. If the impeller spins freely, the motor windings are bad and the motor would need to be replaced.

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