Older ge heavy duty electric dryer. it seems as if the heat is on but the drum does not spin

may help
https://www.repairclinic.com/Video/Video-Landing/2900-8/Electric-Dryer-Drum-Won-t-Turn-Dryer-Troubleshooting

https://www.youtube.com/watch?v=QNa6zfzrm5k

https://www.google.com/search?hl=en&biw=1366&bih=651&ei=mN2NXJn6EsXj_AbnsYbIBA&q=replace+dryer+belt+Kenmore+Elite+Heavy+Duty+King+Size+Quet+Pak+III&oq=replace+dryer+belt+Kenmore+Elite+Heavy+Duty+King+Size+Quet+Pak+III&gs_l=psy-ab.12...31431.87601..90702...2.0..0.119.4018.31j13......0....1j2..gws-wiz.....6..0i71j35i39j0i22i30j0i131j0j0i67j0i20i263.lwpVdvVG5GE#kpvalbx=1

https://www.youtube.com/watch?v=nOEnSB7JhKU

https://www.youtube.com/watch?v=2bVoelV7M7Y

Check the dryer drum drive belt it may be broken or the dryer drum drive motor may have failed

Remove the top/cover and then remove the front assembly and you will have the drum and belt in front of you.

inspect the tumble dryer drum shaft - see image
inspect the dryer belt tensioner - see image listen for sound when electric motor is running

go to your fuse box and try replacing the 2 fuses for the dryer circuit or if you have a circuit breaker box shut off the breaker for the dryer and turn it back on and try the dryer again. I used to be an electrician and found double pole circuit breakers that have only one side tripped. alot of 220volt electric dryers use one circuit for the tumbler motor and the other circuit for the heating element

How could the belt be in working order if the drum doesn't spin? Check to see if the belt has come off the motor. If the motor runs but your dryer doesn't spin, the belt is off. If the motor runs with the belt on but it still won't spin then you'll have a lot of black smoke because your drum is jammed. In other words, there are a number of things that could be wrong, but not very many.

Check to see if you can spin the drum fairly easy. Also, try to leave the door open, hold the door switch in, and then start the dryer and give the drum a spin to see if it starts.

the motor may have seized up, or the drum bearings are shot.

REMOVE THE BACK AND CHECK THE HEATER FUSE AND THE HEATING ELEMENT-MIKE

Sure. The likely problem is a broken belt. Do you hear the motor? If not, it could be the motor. Pull the back off the unit...with the power off and have a look.