Electric dryers need two legs of 120 volts ac equaling 240 volts.
Samsung dryer not heating up.
When your samsung dryer will not heat be sure you have cleaned the vent lines and lint filter as a clogged vent line will cause your samsung dryer to not heat properly.
Or the heating element in an electric dryer requires replacement.
All dryers have a high temperature sensor or thermal fuses that blow out if the temperature inside the drum gets too hot.
If your dryer is not heating then you may have an incoming power problem.
The dryer lint screen lint trap has not been cleaned poor or restricted airflow.
It is not uncommon for only one fuse or breaker to trip resulting in the dryer able to run but not heat.
Check thermostats thermal cut off fuse wiring voltage and vent line.
Dryer odors can come from a few places such as the lint trap exhaust vent or not actually from the dryer at all like the washing machine or the water.
This element protects other components of the dryer from failing.
The most common causes for an electric or gas dryer to stop drying or heating is.
The factor that could speed up the process of blowing off of the heating elements includes overloading of the dryer lack of proper cleaning of the vent lines and lint filters and poor ventilation.
And these are only some of the possible causes.
Check all parts of the dryer to be sure what is causing it not heating.
However when the samsung heating element burnt out it does not stop the dryer from spinning or running.
When a new dryer starts up for the first time it may smell like something is burning as any oil residue from the packing material heats up.