Question about Maytag Washing Machines
"F21" is a Long Drain error code. This is an indication that you may have an obstruction somewhere in the drainage system. Most commonly, this is an indication something is lodged in the drain pump or the inlet line running from the wash tub to the inlet side of the pump. If you've already checked the drain pump reservoir, then make sure the inlet side of the pump is not obstructed. This does not have anything to do with the timer.
NOTE: The washer will not complete a wash cycle until the conditions causing the error are corrected. A "SUD" or "SD" (Suds lock) error code can also often occur in conjunction with the "F21" error code. This is due to air being detected in the drainage system, which can occur if the pump is not running, or if you have an obstruction BEFORE the pump. You need to remove the inlet hose from the pump to ensure it is also not blocked. Correct your drainage system fault, and the SUD error (if displayed) should go away.
NOTE: If these preliminary measures do not correct your problem, you may have to replace the drain pump. It does not take much to damage the pump impeller or motor. Since the error code is generated if the drain cycle exceeds 8 minutes, if the pump is damaged and can't pump at the required volume, the error code will continue to appear until the pump is replaced. If the pump requires replacement, the following link explains how:
These are very simple repairs that you can perform yourself without the assistance of a repairman.
If the wash tub is full of water, you may want to use a wet/dry shop vac to pull a vacuum on the drain line and drain the wash tub. This will minimize any potential mess you may have to clean up.
Replacement parts (if required) can be purchased at any of the following websites:
Prices vary between sites, so shop and compare. The first three sites listed also have helpful exploded view parts illustrations to assist you with locating and properly identifying the parts you may need.
NOTE: The error codes are not listed in the owner's manual. For an explanation of all the error codes, each one of these washers comes with a technical data sheet inside.
To access, you will need to remove the lower toe panel under the door. The access screws are located under the bottom front edge of the panel. You may have to prop the two front feet of the washer up for better access ( a 2x4 works well for this). With the screws removed, the panel should drop down, then come off. If the tech sheet isn't directly behind the panel, it will be affixed to one of the interior cabinet walls.
The tech sheet lists all error code definitions, troubleshooting data, diagnostics procedures and wiring diagrams. I mention the tech sheet because you may need it to troubleshoot this error code.
Read through the information provided and if you have questions, please post back and let me know. I hope you find this information helpful.
NOTE: Later model Maytag washers are manufactured by Whirlpool, so these instructions do apply.
Posted on Oct 05, 2010
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Posted on Jan 02, 2017
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F21 error is displayed when the washer is unable to drain, press PAUSE/CANCEL button twice to clear the display. After this please check the drain hose and drain pump filter for any blockages and make sure it is not clogged with foreign particles. You can also check the drain pump to verify that its working. Please get back to me if you have any other questions.
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