First check to see that the exhaust venting line is clear (not full of lint) as well as the path in the dryer to the line. This is the most common cause of no heat. Second set the knob to heat turn on dryer with the lights off and the door open but the "open door" switch so that it still rotates with the door open. Look at the back of the rotating drum for a orange/red glow behind the drum (the heater coils). If there is no glow the heater coils are probably broken. As the dryers age, the amount of thermal cycles the heater elements go through until the point when the coil wire breaks. There usually two heater coils behind the rotating drum (one hotter than the other and when combined the hottest heat temperature setting. You will need to pop open the top where you see the belt that turns the drum. The belt is removed from the spring loaded tensioner pulley at the base of the dryer. Then you can lift the drum out to get to the heater coils. Since no heat, both should be broken and will require replacement.
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First check to see that the exhaust venting line is clear (not full of lint) as well as the path in the dryer to the line. This is the most common cause of no heat.
Second set the knob to heat turn on dryer with the lights off and the door open but the "open door" switch so that it still rotates with the door open. Look at the back of the rotating drum for a orange/red glow behind the drum (the heater coils). If there is no glow the heater coils are probably broken.
As the dryers age, the amount of thermal cycles the heater elements go through until the point when the coil wire breaks. There usually two heater coils behind the rotating drum (one hotter than the other and when combined the hottest heat temperature setting. You will need to pop open the top where you see the belt that turns the drum. The belt is removed from the spring loaded tensioner pulley at the base of the dryer. Then you can lift the drum out to get to the heater coils. Since no heat, both should be broken and will require replacement.