Chosen Solution

Samsung clothes dryer DV42H,DV42H on off switch not working just beeps

This could be several things. First unplug it for five minutes to allow it to reset. If it still beeps, see if you can discern a pattern to the beeps and let us know. The most common cause for beeping is the door not being shut. Just in case we need to get into it later, here’s how: https://www.youtube.com/watch?v=IIm2TodF