Maytag Dyer model # MDE9700AYW wont heat it blows cold air

Overheating is almost always an airflow problem. Check airway before the place the fuse is located and the vent pipe and vent after the fuse to make sure they are open, If the airway is clear, the thermostat may be allowing the heating element to stay turned on until the dryer gets too hot,

This model dryer has two heating elements, one for the top and one for the bottom, I suspect that the bottom element is burned out. If you want to attempt it yourself then I can send you a service manual that will walk you step by step through the whole dryer.

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Unplug dryer. Remove heater element, and inspect element for damage. Use an ohm meter to check for continuity. Should have some resistance. Should not be open or short.

Maytag Dryer and FE code means power source "Frequency Error".
Invalid power... you will need a electrican to come out the power is not wired up right.

I would replace the wall receptacle before buying any dryer parts
Hope this helps (remember to rate and comment this answer).

First you take off the top panel two screws then four qr five screws to take off console then four screws top of front panel and two scews just below your filter on front panel and you have access to your element

The thermal fuse is NEVER at fault, it is only a symptom of some other problem and is a serious safety warning. Check that the exhaust vent is clean and not kinked or otherwise obstructed. When WAS the last time you cleaned the vent??

PROBLEM WITH THE HEATING ELEMENTS, THEY ARE PROBALLY BURNED OUT, CHECK THEM YOU WILL HAVE TO PULL THEM OUT AND CHECK WITH A METERN TO SEE IF THEIR OPEN, BUT I WOULD SAY THATS IS THE PROBLEM

youve probably got a bad heating element, also make sure air is blowing out back of dryer to the outside of house if its plugged it will cause element to break good luck

Check connection to heating elements. My have bad heating elements

If it is a gas dryer. Sounds like thermal fuse. It costs about $12.95. Most appliance part stores carry it all the time. Very easy to replace. Also can be ignition switch (also cheap). If you know someone who is mechancally inclined, after removing fuse,they can run an electrical jumper cord to the two open ends. If the dryer begins drying, then it is definitely the fuse.
Go to Whirpool site and get part number and diagram to fix. Maytag repair can help at a costly figure after they order part since Whirpool bought Maytag.