It won't drain If your washer won't drain, check these: It spins, but doesn't pump It doesn't spin or pump It pumps, but the water returns It spins, but doesn't pump If your washer spins but doesn't pump the water out, the drain line is probably clogged. In many washers, a small sock or other piece of clothing can get between the clothes tub and the outer tub that holds the water. If the clothing gets between the tubs, it may then get into the drain hose that's attached to the pump--or even into the pump itself. If it's in the pump, you need to remove the hoses from the pump and pull the item out. To remove the sock from the outer tub port, open the washer's main access panel and remove the large-diameter rubber hose that connects the pump to the bottom of the outer tub. Then, using needle-nose pliers, try to grab and remove the clothing through the port. Sometimes you can't remove the stuck clothing from below. Then you have to remove the agitator, top of the outer drum shield, and inner clothes tub. This isn't easy to do--and you may need special tools--so you might be happier getting a qualified appliance repair technician to do the job. If the drain line isn't plugged, the problem may be with your pump. Even if the pump appears to be turning, the internal impeller may be broken. If so, you need to replace the pump. It doesn't spin or pump If your washer doesn't spin or pump water out but the motor is running, your washer probably has a frozen pump pulley. If so, you need to replace the pump. To check the pulley, remove the pump from the washer and try to rotate the pulley manually. If it doesn't turn freely--if it's frozen or stiff--replace it. It pumps, but the water returns If the water that pumps out of the machine goes back into the machine after the spin cycle, your washer may be siphoning the water from a laundry tub that has a slow drain, back into the washer. The usual remedy for this is to improve the draining of the laundry tub. (Is something stuck in the drain?) Also, check for these problems: If the drain hose reaches more than about 4 inches into the laundry tub, cut off the excess. If your drain hose is lower than the washer's cabinet, install an air gap/siphon break assembly.
the Fl code indicates an overfill condition. If the washer is empty, then you likely have a problem with the water level pressure switch. If the washer is full of water and will not drain, you likely have a problem with the drain pump or the washer drain line.
If the washer is full of water, make sure that the washer drain is clear and working properly. Check the drain hose for kinks or clogs. If you find no problems with these issues, I recommend that you manually drain the washer using a wet/dry shop vacuum. Check the drain pump and connecting hoses for problems. You may need to replace the drain pump of water will drain out of the washer properly but the pump will not work properly. A clog in the check ball assembly at the bottom of the tub can also prevent the washer from draining properly.
Fl code indicates an overfill condition. If the washer is empty, then you likely have a problem with the water level pressure switch. If the washer is full of water and will not drain, you likely have a problem with the drain pump or the washer drain line.
If the washer is full of water, make sure that the washer drain is clear and working properly. Check the drain hose for kinks or clogs. If you find no problems with these issues, I recommend that you manually drain the washer using a wet/dry shop vacuum. Check the drain pump and connecting hoses for problems. You may need to replace the drain pump of water will drain out of the washer properly but the pump will not work properly. A clog in the check ball assembly at the bottom of the tub can also prevent the washer from draining properly.
You did not mention whether the washer actually pumps the water out of the washer when you are getting the F21 code. If the washer pumps the water out okay, then the pump and drain system are okay.
Excessive suds can prevent the pump from evacuating the water properly and will sometimes result in an F21. When the suds dissipate, the washer will then be able to pump out the water. Look for this type of condition if necessary.
If the drain pump runs but the washer will not drain the water, see if the washer will gravity drain. Pull the drain hose out of the stand pipe or sink and place it in a shallow pan at floor level. If the washer will gravity drain okay but will not drain when the drain pump is running then you will likely need to replace the drain pump.
If the washer will not gravity drain, then you still have a clog somewhere in the drain system. If you have not pulled the hose between the tub and the pump, then you could have a clog in this area.
If the washer does drain normally, then you could have a failed pressure switch, air pressure hose problem, wiring failure or a failed control board.
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