Answer Harold, With the unit not shutting off during the auto dry cycle, the issue would most likely be caused by a faulty cycling thermostat. When the unit operates in the auto dry cycle, the timer motor does not get any power until the cycling thermostat shuts off. If this is not happing hten the issue is the cycling thermostat WP307250. Read More... Answered by AppliancePartsPros.com | Monday, April 7, 2014