Question about Whirlpool Duet GHW9150P Front Load Washer
"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 pump. There is a white screw off cap on the drain pump that you can remove to inspect the pump impeller and clean. The following link explains:
Included is a follow-on link that explains how to check the drain pump to clean. On some model washers there is no screw off cap on the pump and you will have to remove the inlet hose that runs from the bottom of the wash tub to the inlet side of the drain pump. Removing the inlet hose for inpsection is recommended on all these washers just to ensure there isn't anything lodged in the line. Debris and small articles of clothing such as socks or under garments can become lodged in this area as well causing the drain cycle to fail.
NOTE: The washer will not complete a wash cycle until the conditions causing the error are corrected. In addition, 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.
If the washer door remains locked and does not open, the first step to attempt is to unplug the washer for AT LEAST 30 minutes in an attempt to reset the Central Control Unit (CCU). In many cases resetting the CCU will correct minor problems. If the door remains locked, following a CCU reset, there is a manual release you can use to retrieve any garments that are locked inside. the following link explains: http://www.fixya.com/support/r3576511-door_jam_on_kenmore_elite_and_whirlpool_ 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: If you determine the pump to be defective, and the pump housing is still in good condition, you only need to replace the pump motor. However, the pump is usually sold as an entire assembly and the motor CANNOT be orderd as a separate item. There are several outlet stores that advertise on ebay and sell the pump motor for much less than ordering an entire pump assembly. Replacement is simple and you do not have to remove the pump from the washer. Just drain the pump as previously mentioned and disconnect the electrical plug from the motor. Remove the three screws holding the motor to the pump housing and replace as necessary. Just make sure the o-ring is intact and in place. To get a good seal, you can lubricate the o-ring with a thin film of petroleum jelly.
Posted on Mar 23, 2011
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Posted on Jan 02, 2017
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