Question about Dishwashers
What do I check besides the hose line to see why dishwasher not draining and then how do I fix it?
SOURCE: Water won't drain
I'm Harvey the Master Plumber.
Your problem is: You have pulled the dishwasher out and checked hose. No kink in line. You have taken cleaned out dishwasher and no clog. You poored water into dishwasher and it drains from the bottom not throught drain hose. You have checked the drain hose on the bottom of the dishwasher and to no avail....you don't know what is causing this issue....can I help you out with this? LG-14AW3 Dishwasher does not drain properly and then powers itself off mid cycle. Filters are clean and there are no kinks in the drain hose. How do you fix this and will it be very expensive.
Have you recently replaced the garbage disposal? Sometimes the installer forgets to remove the knockout plug. All of the disposal manufacturers plug the d/w connection in case it is installed where there is no d/w. If there is a d/w, the plug must be removed.
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Harvey your Master Plumber
Posted on Sep 27, 2008
Your dishwasher pump ejects the water. The pump is usually mounted directly to the motor, then attached to the bottom of the dishwasher. You can reach the pump from inside the dishwasher, but first you need to remove the lower rack, the spray arm, and the spray arm support.
Look for an impeller--a round plastic fan blade-type of device that spins around. This is the wash impeller, which forces the water through the spray arm. Beneath the wash impeller is the drain impeller, which is similar in size and shape to the wash impeller. The drain impeller pushes the water toward the drain port. These components make up the pump. If any of the pump components are defective, you need to replace them.
Drain valve and/or solenoid Many dishwashers use a drain valve with an electric solenoid. When electricity flows to the solenoid, the valve opens and diverts the water to the drain. Sometimes the solenoid, or the diverting lever, sticks and prevents the dishwasher from draining or filling properly. Try to free up the solenoid to lubricate the lever. Otherwise, you may have to replace the solenoid or pump assembly. With these systems, the motor always rotates in one direction. When it's energized, the drain valve diverts the water.
Other dishwashers simply reverse the direction of the motor to drain the dishwasher. These units don't have a drain valve. Instead, there's a drain hose connected directly to the pump housing.
Belt One brand of dishwasher uses a belt to drive the pump. If this belt is broken or has fallen off, replace it.
Motor If the motor isn't turning or working, the unit won't drain. First check to be sure you have power to the dishwasher. If not, see the section "It doesn't work at all." If the motor hums but doesn't turn, it may need to be replaced.
Some dishwashers are susceptible to getting stuck if you don't run them regularly. If you haven't run the dishwasher for more than a week, you may need to manually spin the motor to free it up. If the motor is defective, you need to replace it. Dishwasher motors can't be serviced.
Posted on May 28, 2009
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