Answer Hello Santos. It sounds like the venting system is clogged or kinked. You will need to check the vent and clean it out. Be sure and clean the vent pipe and the dryer air duct assembly. If the air flow is not good, the unit will retain moist air causing the clothes not to dry. Try running the unit with the vent unhooked from the back of the dryer and see if the dryer works properly. If the venting is not the problem, you will need to make sure the heater is no grounded out. If the heater is good, and the element does not cycle, you may have a bad cycling thermostat WP8318268 in the unit. Hope this helps. Read More... Answered by AppliancePartsPros.com | Tuesday, February 14, 2012