Blocked vents can cause a couple of different issues including moisture build up or excessive frost.
Maytag refrigerator french door freezer ice around the fan.
Unplug the refrigerator from power and remove any drawers or shelves.
Wedge the door to keep it open for the defrost procedure.
If the evaporator fan is not working the freezer or refrigerator will not cool adequately t to determine if the evaporator fan motor is defective try turning the fan blade by hand.
This last week i have noticed that ice is building in the bottom of the freezer it s as if water is leaking from somewhere and pooling to the bottom of the freezer and freezing.
Leave everything sit until all the ice has melted this is a good time to wipe down the inside of fridge.
Lay a deep pan or similar at the bottom of the refrigerator to catch the water when the ice melts.
Evaporator fan motor the evaporator fan motor draws cold air over the evaporator coils and circulates it throughout the freezer.
An improper seal of the gaskets on the refrigerator or freezer doors could also cause humidity to form.
It has the ice and water on the door as well.
I read some of the other posts and got all the water and ice out of the freezer bottom and about 7 8 hours later saw water puddling on the floor and in the freezer.
Check the seal around the outside doors and the freezer door to make sure nothing is obstructing the gasket seal.