Lights turn on but dryer won't start

Dryer Repair
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1

When the power button is pushed the lights come on but the system freezes on Sensing. The timer counts down but the dryer never starts. It’s been sitting for two months without use. The ducts are cleaned.

3

Here are your parts
http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5165474

Here is the tech sheet, see the attachment.

Not sure what it is doing.
Try running the diagnostics.
Perhaps one of the thermistors is shot.