My whirlpool sport duet washer will not drain and the f-21 code keeps coming on

SOURCE: Whirlpool Duet Sport Washer will not drain - F-21 error

Perfect! Yes, they aer 1/4" 6pt screws. I didn't have to lift my washer, but the previous tech had put in 1 screw crooked, so that was FUN! I had cut out an opening on an old cracked tote and was able to hold all the water as long as I transferred some to a bunch of tupperware. Make sure you line up the upper mark on the white drain plug before putting back in. The tote was getting overloaded and I didn't notice the alignment marks until after having some water overflow. Just a heads-up if anyone has an emergency and HAS to get the plug back in in a hurry.

I found:
Wife's Victoria's Secret panties
2 dimes
4 pennies
some legos
a metal nut
pencil eraser
wall anchor
some legos

SOURCE: whirlpool duet washer sport ht - error codes

FYI: The pump cleanout is located on the front of the machine, bottom right corner. There are only three screws holding the bottom cover on. It is easy to get to if you prop it up a few inches off the ground. Just thought this would be helpful as I just did this as of 5 min ago. Should take 10 min. or less.

SOURCE: whirlpool duet sport wfw8300sw00 f-21 error

Unplug the machine. Unscrew the 3 screws under the front edge of the washer. The service technician manual is attached to the panel that slides down and off. Find F21 code. See suggested procedures. Note: My drain pump filter had a baby wash cloth in it along with some change that was disrupting the flow. It is exceptionally easy to remove, clean, and reinstall. Just line up installation notches when reinstalling. Whirlpool should have mentioned this filter in the User & Care Guide, but I could not find it anywhere in there.

SOURCE: f-21 error, washer not draining

I have had this code three separate times. The first time service man came and cleaned out the filter. This is behind the lower front panel and can be removed by hand. The cartridge style filter is located at the pump in the lower right of the unit. Have something available to catch the draining water as you loosen the filter. The second time I received this code I found a blockage in the drain hose at its bend. The third time no hose blockage, no filter clogging, but the pump impeller was jammed by an elastic strap that had made it through the filter. I removed it through the supply side of the pump seen after filter is removed.

SOURCE: how can I repair code F24 on whirlpool duet sport ...

This advice is for Whirlpool Duet and Kenmore Elite model FRONT LOADERS displaying the "F24" Error Code. Some of the error codes on these model washers can be erroneous, however. The first step in troubleshooting any error code is to simply unplug the washer for AT LEAST 30 minutes in an attempt to reset the Central Control Unit (CCU). This is the main "brain" of the washing machine. If the error code reappears following a CCU reset, then you have a genuine problem.

"F24" is an indication of a water temperature sensor (NTC) error, or Heating Circuit failure. Check the Water Temperature Sensor and check connections to the Water Temperature Sensor.

To access, you will have to UNPLUG your washer and remove the lower access panel under the door. The panel comes off by removing the screws under the bottom edge. HINT: If you place a 2 x 4 under the front feet of the washer, it will make access to the screws much easier. If the panel sticks, a tap on the sides will knock it free. The panel will drop down then come off. The sensor (NTC) is located at the base of the wash tub in the front on the heating element. This will be a small square shaped plug between the heating element terminals. Make sure this plug is secure and not loose or unplugged. It is common for the connector plug to come loose due to vibration. If the plug is intact, check the contacts for corrosion. If everything appears as it should, then unplug the wire harness and take a resistance check. Readings will be as follows:

Temperature Meter Reading
32°F (0°C) 35.9 K ohms
86°F (30°C) 9.7 K ohms
104°F (40°C) 6.6 K ohms
122°F (50°C) 4.6 K ohms
140°F (60°C) 3.2 K ohms
158°F (70°C) 2.3 K ohms
203°F (95°C) 1 K ohms

Roughly...around 9K ohms at room temperature if I'm reading the chart correctly. Take readings as listed and also double check the connector to make sure it is not oxidized. Try cleaning the plug and reconnecting to see if the error code goes away. If not, you will probably have to replace the sensor. If the sensor checks good, take a reading across the heating element terminals. It should indicate about 15 ohms.

Lastly, remove the washer top panel by removing the three screws holding the panel in place in the rear. Once the screws are removed, slide the panel back then off. Locate the Central Control Unit (CCU) directly behind the wash tub. Take a resistance check at the Heating Element Solenoid by removing connector 9 from the CCU (this is the second connector from the RIGHT as facing from the front). A reading across test points 1 & 2 should also read 15 ohms.


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