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The dishwasher will not drain. The motor hums. We have tried to remove the central unit inside the dishwasher, but cannot remove the inner black disk --it has a bolt, but we cannot get a good grip to twist it out. We suspect that under the mesh covering is a lot of gunk that needs to be cleaned out.

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Here is a tip that I wrote that will help you with your dishwasher not drainingproblem...

Dishwasher Problems - Waterwill not drain out


Posted on May 20, 2011


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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My GE Triton dishwasher won't drain. How do I de-clog it?

Remove the dishwasher drain line from the under sink connection. Direct that end to a bucket and run the drain option on the dishwasher.

1. Does water drains to the bucket. Then your under sink hook up to the dishwasher is clogged. Clean it with a screw driver.

2. No drain water comes to the bucket then

2.1 When on drain do you hear a humming noise. If yes then your drain motor working. That means mostly your dishwasher drain line clogged.

2.2 If humming noise is like a fan (impeller) running then drain line clogged.

2.3 If humming noise is like a small struggling to run. Then something stuck in the drain motor impeller.

Apr 24, 2015 | GE Tritonr XL GSD6260JCC Dishwasher

1 Answer

Dishwasher fills but does not wash. Dishwasher will drain if program cancelled.

Do you hear a humming sound, like the motor trying to run, then stopping for a minute or two before trying again?

Usually, dishwashers run the motor one direction to wash, and the opposite direction to drain, but some use a valve to switch. If you see wires going to a bulky flapper looking part sticking off the side of the pump/motor, you might have a bad valve actuator.

Otherwise, you might have a motor refusing to turn in one direction. You can usually access the shaft from inside the tub by removing the washer arm to get access to the pump impeller. Do not remove the impeller unless necessary, but see if it will turn both directions. Broken glass or pieces of bones or other debris might be interfering with the rotation. If it turns freely both ways, but still won't wash, it is likely you have a bad starter coil on the motor, and will need to replace the motor/pump assembly. These usually have a longer warranty than the rest of the unit, so if yours is less than 5 years old or so, it would be worth checking with factory service.

May 18, 2011 | KitchenAid KUDK03ITBK Built-in Dishwasher

1 Answer

I have a GE gds500p .When turning the rotary dial to start, there is a humming sound but no water sound or sound of motor that used to be heard when it worked

Sounds like you drain pump as blocked. first remove the water from inside by hand, then remove the front kick plate should be just 2 screws then remove the inner panel to access the drain pump. It either has 1 screw and then twists out or has 3 screws and pulls off. but they can still be awkward to remove either way. Or if you want you can pull the machine out and lay it on its side and remove the bottom panel, this will allow you complete access into the base of the machine. The base comes off with 2 screws at the front and then clips of. Hope this helps

Mar 04, 2011 | GE 24 in. GSD500X Built-in Dishwasher

1 Answer

Motor just hums during the wash cycle. Put it in

OK, that piece of glass may have jammed the wash impeller. this will destroy the motor windings. you will need to gain access to the circulation motor asap.the impeller is attached to the motor that is housed within the pump casing(upper). try to manually move the impeller. if its stuck, try ot remove the obstruction.

It is possible that, the motor is already damaged to the point of no return. in this case, replace the circulation motor. your drain pump should be ran by a totally separate motor(wax).


Some models have two impellers inside the pump - one, wash impeller, takes care of the wash cycles, the other, drain impeller, drains the water out. If the drain impeller is broken (broken blades, shaft), the dishwasher would not drain. Replace any broken pump components.

Jun 09, 2009 | KitchenAid 24 in. KUDS01FLBL Built-in...

1 Answer

Dishwasher hums

empty out the unit and recheck the arm and rack then start it up empty and check operation --if huming but working properly --stated it does drain so motor is operating ---then its operating normal ---if arm still not working will need to remove arm and check gear or shaft for damage

Apr 16, 2017 | Kenmore Dishwashers

1 Answer

Kenmore portable dishwasher not draining

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.

May 28, 2009 | Kenmore 17459 Free-standing Dishwasher

1 Answer

Dishwasher doesn't drain after washing

Try to see if you hear a slight hum noise from the electric motor under the bottom. The noise will not last for long. This is the motor trying to start in the reverse direction. For the unit to drain the motor must run in the opposite direction so it can actually wash dishes well in on direction and not run in the other. After power has been removed (and maybe water too) get under unit and see if motor will turn in both directions. If it does, then the nearby start capacitor needs replacing or the motor is defective. A bad motor will not hum for long before the "heat trip" safety device will cut it out and it will then have to cool off before more test or done

Mar 17, 2009 | Kenmore Dishwashers

1 Answer


If you can hear the drain motor humming, look for a clog in the air gap. That's the silver dome on the back of the sink. If there's nothing there, you'll have to find the clog inside the bottom of the dishwasher.
Remove the bottom rack. Rotate the short tube that the lower spray arm is connected to about 1/4 turn clockwise and remove the lower spray arm. Remove the screens over the pump assembly. The hole to the drain pump is on the bottom right. If the motor hums, but doesn't pump, and there's no clog, the pump must be replaced.

If the motor doesn't hum in the drain mode, check for power at the pump with a voltmeter. the pump is behind the toe panel on the left. Reaching the terminals to take a reading may be difficult. you can disconnect the terminals from the pump to take the reading only if you use rubberized alligator clips to connect to the wires. If the motor has power but doesn't hum, replace the motor. If there's no power to the motor, replace the electronic control / timer.

Mar 11, 2008 | Dishwashers

1 Answer

Humming noise

humming is the motor powered up but not turning. burning smell is the motor overheating. cause may be the motor capacitor which is a cheap part. try replecing it and hope thge motor survived. could also be a foreign object in the pump impellor

Mar 13, 2007 | Zanussi 24 in. DE6744 Free-Standing...

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