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I replaced the garbage disposal and forgot to knock out the dishwasher drain. My main motor doesn't work now. Is this related or a separate problem?

My drain motor seems to work. On inspection my pump impeller is broken and was rubbing on its housing. I've replaced it and the seal and chopper blade. Can the motor be reset or is it cooked?

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  • Dishwashers Master
  • 932 Answers

Joel,
I seriously doubt that they are related. I think you were in the right ball park when you found the pump impeller broken. Not sure about a motor re-set since I have not seen one on the brands that I have worked on, if you provide the make and model # that will help use better serve you. How old is this dishwasher? If you shine a flashlight into the motor and look at the windings you might be able to see the copper windings of the motor. If they look black and like they have been exposed to high heat, then your motor is more than likely cooked. If you have a multi-meter and you can find the wires coming off of the motor you might also be able to do a continuity check and if you have no continuity, the motor is cooked. Good luck & hope this helps!

Posted on Apr 07, 2015

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Posted on Jan 02, 2017

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Dishwasher not emptying out water


If you recently replaced your garbage disposal make sure the "knock out" plug was punched out to allow drain water into the disposal. The guy who replaced my disposal forgot to do it and my dishwasher would not empty. It's an easy fix. Just remove the drain hose from the dishwasher that attachs to your garbage disposal. Look inside with a flashlight and you will see if it is still there.
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If it is, take a hammer and screw driver or punch and knock it out. TURN OFF POWER to your disposal and you can retrieve the "knock out" plug (piece of plastic about the size of a dime). Replace your drain hose to the disposal and try your dishwasher again. Worked for me! Good luck.

Oct 05, 2014 | Dishwashers

1 Answer

Whirpool built-in puddle of water in bottom, food on drain


see this causes and proceed according. God bless you
Belt, Water Pump Although few dishwashers have a water pump belt, if the dishwasher won't drain there might be a worn or broken water pump belt. After removing the lower kick panel the motor can be seen in the front, the water pump belt is on the bottom of the motor.

Drain Pump If the dishwasher won't drain, the drain pump might be defective. Test the pump motor with an Ohm meter. Drain pumps are not repairable, if it's defective it will need to be replaced.

Drain Impeller The drain impeller is attached to the pump and pushes the water out of the dishwasher, through the drain tube and into the garbage disposer or drain line. If the dishwasher won't drain, the drain impeller might be broken or worn out. Replace both the impeller and seal at the same time.

Drain Solenoid Kit If the dishwasher won't drain, the drain solenoid kit might need to be replaced. The drain solenoid is an actuator that opens a flap to allow the water to drain.
Drain Valve The drain valve can get clogged with debris and should be cleaned out if the dishwasher won't drain. If it seems clear of debris but won't actuate, it will need to be replaced. The drain valve is not repairable Pump and Motor Assembly If the dishwasher won't drain, the pump and motor assembly might be defective. If the motor runs during the drain cycle, check for a blockage in the drain line. If the motor won't run during the drain cycle or if it just hums when it should be running, the pump and motor assembly might need to be replaced.

Clogged or Improperly Installed Garbage Disposer If the dishwasher won't drain and the garbage disposer was installed recently, the installer might have forgotten to knock out the drain plug from this disposer. All garbage disposers are sold with a solid plug in the drain tube for situations where a dishwasher isn't connected. However, if the dishwasher is connected, the plug will need to be removed. If the disposer wasn't replaced recently, remove the dishwasher drain hose from the disposer and clean out both the fitting on the disposer and the end of the drain hose. These are the most common places to find an obstruction if the dishwasher won't drain.

Clogged or Improperly Installed Garbage Disposer If the dishwasher won't drain and the garbage disposer was installed recently, the installer might have forgotten to knock out the drain plug from this disposer. All garbage disposers are sold with a solid plug in the drain tube for situations where a dishwasher isn't connected. However, if the dishwasher is connected, the plug will need to be removed. If the disposer wasn't replaced recently, remove the dishwasher drain hose from the disposer and clean out both the fitting on the disposer and the end of the drain hose. These are the most common places to find an obstruction if the dishwasher won't drain.

Check Valve If the dishwasher won't drain the check valve might be stuck closed. The check valve is a small plastic device which prevents water from returning to the dishwasher after it has drained. If the valve gets stuck closed, it will prevent the water from draining. The check valve is the device that the drain hose is attached to on the dishwasher.

Check Ball If the dishwasher won't drain the check ball might be stuck. The check ball is a small plastic ball in the check valve which prevents water from returning to the dishwasher after it has drained. If the ball gets stuck, it will prevent the water from draining also. The check valve is the device that the drain hose is attached to on the dishwasher.


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Oct 16, 2012 | Whirlpool Dishwashers

1 Answer

My dishwasher isn't draining. The garbage disposal is hooked up separately.


Is sink drain line clogged?
Disconnect drain line at sink tailpiece and lower down to see if water inside dishwasher drains.
Call serviceman to clear clog in dishwasher hose, or repair dishwasher pump motor.

Oct 13, 2012 | Whirlpool Gold Dishwasher with Quiet...

1 Answer

Miele incognito won't drain. Intake drain blinking


i also found my miele wouldn't drain after replacing a garbage disposal. it turned out I forgot to knock out the plug on the disposal where the diswasher discharges....Doh !....

Nov 24, 2010 | Miele Incognito G818SCVi Built-in...

1 Answer

My gld6500l dishwasher worked fine, then my husband replaced a broken garbage disposal. The next day I ran my dishwasher and it now will not drain. Coincidence, or could the two be related?


Yes probably a connection. The dishwasher drain connects to the the Garbage disposal . If the line is kinked then the dishwasher will not drain. Plus the dishwasher has to have a plug knocked out where the drain line goes into the garbage disposal. I am sure this is your problem.

Jun 02, 2010 | GE 24 in. GLD6500L Built-in Dishwasher

1 Answer

Dishwasher won't drain, makes a funny clicking/scraping noise when it is supposed to be draining.


Water does not drain from the dishwasher:

  • Check sink drain and drain hose for restrictions
  • Unjam the motor
  • Unjam the pump
  • Check the drain valve
  • Check the drive belt
  • Test the timer motor
  • If you have a brand new dishwasher or garbage disposer, check the knock out plug on the garbage disposer.

Apr 01, 2010 | Dishwashers

1 Answer

My dishwasher will not drain. Have not installed a new garbage disposal or new dishwasher. Just all the sudden stopped working


Hi

Thanks for using FixYa. Dishwasher not draining properly or not draining at all issues can arise due to different reasons. Usually, these issues are related to kinked hoses, knocked out disposer unit (if connected with the dishwasher drain hose) & clogged drain pump & filter.

Also note that dishwashers do not drain completely after a finished cycle and this is normal. Dishwashers are designed to leave some water in the unit to ensure that the heating element doesn’t overheat. If you suddenly begin to experience a large amount of water being retained in your dishwasher, you have a problem. Some of the most common reasons include that the drain hose isn’t working properly, the drain pump isn’t working correctly, or possibly there is a plumbing problem in your home’s drain lines.



First check whether the drain is not clogged or blocked and the line is not kinked. Check all the hoses for blockages & also clean the air gap. Has the disposer been replaced recently? If so, chances are the knockout is still in place. Simply remove the drain hose from the disposer, and knock out the plug. If the disposer has not been replaced, try removing the drain hose from the disposer and use a wet-dry vacuum (prepared for water, of course) to **** any water (and hopefully anything else) from the drain line. Then reconnect the hose, and test the unit. If you have checked the air gap and the drain hose and can’t locate the problem, then it is an issue with the drain pump of the dishwasher.

Please do rate the solution and revert for further assistance.

Thanks

Rylee

Nov 09, 2009 | GE Nautilus 24" Built-in Dishwasher

1 Answer

Hello my dishwasher will not drain after wash.


  • Check sink drain and drain hose for restrictions
  • Unjam the motor
  • Unjam the pump
  • Check the drain valve
  • Check the drive belt
  • Test the timer motor
  • If you have a brand new dishwasher or garbage disposer, check the knock out plug on the garbage disposer.

Jan 12, 2009 | Dishwashers

1 Answer

How do I fix a dishwasher that will not drain? Or how do I troubleshoot the problem? Thanks.


  • Check sink drain and drain hose for restrictions
  • Unjam the motor
  • Unjam the pump
  • Check the drain valve
  • Check the drive belt
  • Test the timer motor
  • If you have a brand new dishwasher or garbage disposer, check the knock out plug on the garbage disposer.

Oct 01, 2008 | Dishwashers

1 Answer

Water will does not drain completly the hose is not kinked nor is this unit hooked up to a disposal. maytag portable unit


  • Check sink drain and drain hose for restrictions
  • Unjam the motor
  • Unjam the pump
  • Check the drain valve
  • Check the drive belt
  • Test the timer motor
  • If you have a brand new dishwasher or garbage disposer, check the knock out plug on the garbage disposer.

Aug 26, 2008 | Maytag Dishwashers

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