Items like small socks, curtain ties, and baby items of clothing could find their way into the tub of the washer and obstruct the flow of water during the drain cycle. To check for obstructions you will need to do the following.
Disconnect the washer from the wall outlet. Bail out any water from the tub. To bail the water you could use a bucket and plastic container to scoop the water. After removing the any water from the tub, put a couple towel on the floor to catch any water that may still in the pump.
Open the front panel and remove the tub to pump hose and check for obstructions. Then disconnect the pump to drain hose and check it out.
As you could see if any of these parts fails to work properly it could stop the washer from removing the water from the washers tub and you wind up with a not draining Maytag washer problem.
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