If your Whirlpool 29 inch gas dryer is not starting
You will need to check the following parts until you find out the part that needs to be replace to fix the dryer.
Here I am going to give you a brief description of the parts you need to check, and below you will have the links to the pages with the videos that will show you how the repair is done.
Taking the dryer part: The first thing you will need to learn to be able to easily repair your dryer is how to take it apart and how to put it back together again properly. Once you learn how to do that, the repairs will be very easy to do.
The start switch: If the dryer is not starting in any of the cycles, the problem could be a bad start switch. There are two different types of switches. The single pole single throw one and the relay activated one. The single throw switch is only use to start the motor. Once the motor starts running, this switch is out of the circuit until the motor needs to start again.
The Door switch: This switch is connected in series with the motor circuit and if the door is open or if the switch is bad, the dryer will not do anything in any of the cycles that you try it on. The first thing you need to check is the switch plunger. This plunger will turn the switch on when you close the door and turn it off when the door is opened.
The timer: If the contacts inside of the timer won’t close to complete the motor circuit, the dryer will not do anything in any of the cycles. Some times the dryer will stop running in the middle of a cycle and if you move the timer dial the dryer could start again this is an indication of wore out timer terminals.
The motor checking: If the motor is not starting and won't run, the dryer is not going to do anything. The motor needs to run to turn the tumbler and to complete the heating circuit.
Click on the link below according to the information
and video needed to complete the repair