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Speed Queen Dryer starts then stops

If your Speed Queen dryer starts then stops—runs a few seconds or shuts off midcycle—the most likely causes are a faulty user control and display board or a bad timer, followed by issues with the control board or main control board, then a failing motor relay, and only rarely a bad moisture sensor. Start by confirming the door switch and touchpad respond correctly, since intermittent start/cancel button behavior points to the user control/display board and usually means replacement. The timer and relay can be tested with a multimeter against the wiring diagram, while control boards are harder to bench-test but often show burned or shorted components on inspection. A moisture sensor can falsely report dryness, but that is an uncommon culprit for a dryer that starts then stops. If you need the right replacement part, enter your model number at RepairClinic.com to pull parts that fit your exact machine and get step-by-step guidance for repair.

01 - Speed Queen Dryer Moisture Sensor

The moisture sensor monitors the clothing’s moisture level and sends a signal to the control board when the clothes are dry. If the moisture sensor is malfunctioning, it could inaccurately report that the clothing have sufficient dried, causing the drum to stop spinning. However, this is rarely the case. Before replacing the moisture sensor check all the more commonly defective parts. If you have determined that all of the other components are working properly, replace the moisture sensor.
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02 - Speed Queen Dryer Motor Relay

If both the door switch and dryer touchpad are working appropriately, it's possible the motor relay is defective. However, this is not that common of a problem. Before replacing the motor relay, check all the more commonly defective parts. If you determine that all of the other components are working properly, you can test the motor relay by using a multimeter and consulting the wiring diagram to help determine if it is malfunctioning.
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03 - Speed Queen Dryer Control Board

If both the door switch and dryer touchpad are working appropriately, it's possible the control board is defective. However, this is not that common of a problem. Before replacing the board, check all of the more commonly defective parts. If you have determined that all of the other components are working properly, replace the control board. (The control board cannot be easily tested, but you can try to inspect it for signs of burning or a shorted-out component.)
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04 - Speed Queen Dryer Main Control Board

If both the door switch and dryer touchpad are working appropriately, it's possible the main control board is defective. However, this is not that common of a problem. Before replacing the board, check all of the more commonly defective parts. If you have determined that all of the other components are working properly, replace the main control board. (The control board cannot be easily tested, but you can try to inspect it for signs of burning or a shorted-out component.)
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05 - Speed Queen Dryer User Control and Display Board

If the dryer's start/cancel button is only working intermittently, it's likely the user control and display board is malfunctioning and causing the dryer to stop running. A new board will need to be installed to resolve the problem.
Highly Likely

06 - Speed Queen Dryer Timer

If both the door switch and dryer touchpad are working appropriately, it's possible the timer is defective. However, this is not that common of a problem. Before replacing the timer, check all the more commonly defective parts. If you determine that all of the other components are working properly, test the timer by using a multimeter and consulting the wiring diagram. If the timer is defective, replace it.
Highly Likely

Frequently Asked Questions

Why does my Speed Queen dryer start then stop after a few seconds?
My dryer runs briefly then stops — how do I narrow down which part is bad?
How can I test the motor relay or timer myself?
Do I need to replace the control board, main control board, or the user control and display board?
How do I enter my model number or part number on RepairClinic.com to find the right replacement part?

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