20 Most Recent Amana NDG7800AW Gas Dryer - Page 6 Questions & Answers

worn bushing

without Model number, generically speaking, if no voltage to the heaters, keep back tracking the circuit till you find where you are loosing it. Check the basics such as a loose or burnt wire in the circuit. Does power pass thru the timer? Study the wiring diagram and follow the circuit. Supply more info and I will try to find wiring diagram for your unit.

The supplier of the LP gas can supply the needed parts for conversion.

When a dryer won't heat, the most prevalent issue is the heating coil. Getting to it can be a bit of a problem, but after you do, you can check it's conductivity with a volt meter.. It's likely not passing current through, and thus not heating up - much like what happens when the eye goes out on an electric stove or the heating element in an electric oven.

could check this page: https://www.repairclinic.com/RepairHelp/How-To-Fix-A-Dryer/1-1-511107-/Amana-Dryer-won-t-start-ALE866SAW

Check this out and see if it helps: http://www.searspartsdirect.com/model-number/ndg7800aww/1268/0151200.html

Did you check the trap door on the outside of the house where the vent goes outside. If the door is stuck or the end of the vent is blocked you will get excessive dry time like you are having. Also possibly a thermostat inside starting to go bad and sticking.