We have a situation where when we press the "on" button of the dryer, it will start, but as soon as we take our finger off the "on" button, it will stop running. Over the last year or so, it would do this but only after extended use (i.e. 4-5 consecutive loads). Now the dryer does this on the initial load and will not run.
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One of two things is wrong. Either the start switch has gone bad or the start winding in the motor is failing to switch over to the run winding. You'll need to get a multimeter and before starting unplug the dryer. Once thats done, get behind it, remove the back cover to the control panal and disconnect the two wires that are connected to the start button. With your meter set for checking continuity, place a meter lead on start button pins where the wires were connected, one lead on each side.With leads in place have someone press the start button, if continuity shows when pressed and stops when its not, the button is good and the motor is bad. Personally, I think the motor winding has burnt, and the motor should be replace, but I also think that the start button should be changed as well because its in direct series with the motor, and could have taken damage that may not show up until further down the road, plus its an inexpensive part.
Many dryer motors have a centrifcal switch on the motor that should allow the motor to continue operating after you remove the momentary start switch. Chances are, that motor switch is hanging up and not actuating to keep power on to the motor. Keep me posted and I'll follow along with you to help..
The start button starts the motor heater and energizes a relay that latches closed to keep the motor and heater running untill the timer switch or door switch cut the power to the relay and the relay opens. The latching relay has failed or disconnected if all the cables are attached to the relay replace relay not an expensive item, usualoly good for 10years
dryer circuits look like this, the start switch and relay are drawn just to the right of the motor, this diagram has no relevance to the physical position of the parts
psrao, right next to the timer under the consol is the even heat board. When this fails, it will cause this problem. This has been an issue with this model. Part number for the board is 3978949. Catriver..post back.