Maytag MGD5700TQ - Swing Door Dryer Use And Care Manual page 18

Is the dryer door firmly closed?
Was the Start button firmly pressed?
Is the valve open on the gas supply line?
WARNING
Fire Hazard
Use a heavy metal vent.
Do not use a plastic vent.
Do not use a metal foil vent.
Failure to follow these instructions can result in death
or fire.