Model Number: DV448AEPXAA0000
Brand: Samsung
Age: 1-5 years

Original problem is that the dryer wouldn't heat.
The vent was totally clogged. Cleaned out the vent.
Element was bad. Replaced element assy with the thermostats, also replaced the thermistor. The heat works now.
No error codes
Problem now is that it will not dry the clothes all the way. In the sensor dry, it can sometimes shut off after 3 or 4 minutes. Sometimes it drys for 45 mins. Says cycle is complete. Checked, to make sure no breaks or loose connections to sensor or debris around the moisture sensor. In the timed/manual dry will have to run it two times to get a load of towels all the way dry.

Please help.