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ApplianceGuru.com: The Samurai Appliance Repair Forums > Do-It-Yourself Appliance Repair Help > The Kitchen Appliance Repair Forum > whirlpool Dishwasher DU840CWDQ3 |
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ApplianceGuru.com: The Samurai Appliance Repair Forums > Do-It-Yourself Appliance Repair Help > The Kitchen Appliance Repair Forum > whirlpool Dishwasher DU840CWDQ3 |
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| Moderated by: RegUS_PatOff, Pegi, appl.tech.29501 |
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| whirlpool Dishwasher DU840CWDQ3 | Rate Topic |
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| Posted: Fri Nov 13th, 2009 05:20 am |
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1st Post |
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jonbarr62 Grasshopper
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 My dishwasher does not fully drain. I changed the pump impeller. I timed the rinse and hold cycle for 20 minutes which is correct. If I run a second drain rinse and hold cycle the remaining water pumps out. I did notice a diapharm where the water drains. Should I replace this next?..is there to much water entering in the washer?..any suggestions? Last edited on Fri Nov 13th, 2009 05:22 am by jonbarr62 |
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| Posted: Fri Nov 13th, 2009 11:54 am |
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2nd Post |
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Samurai Appliance Repair Man Fermented Grand Master of Appliantology 
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First thing to do is remove the drain hose at the discharge end (not the dishwasher end... yet) and check for gookus in the port that it connects to, whether it's a disposal or a stand pipe, whatever. Next, remove the drain hose at the d/w end, pucker up and blow like a fish. Should clear a slug of water and blow free, as free as the wind blows, as free as the grass grows, blow, blow free! If all that checks out, you probably need to replace the pump impeller. Some help for that on this page.
____________________  If I've helped you with your repair, please consider supporting my flavorite charity: http://beer.fixitnow.com |
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| Posted: Fri Nov 13th, 2009 10:26 pm |
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3rd Post |
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jonbarr62 Grasshopper
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I had already replaced the pump impeller. All hoses clear. I did find out that the drain hose use to be routed to the ptrap. Now it is going to the sink garbage disposal which is a little higher. Could this be a problem. As we all know, the customer says we had the problem before we made any changes. Any more suggestions?
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| Posted: Sat Nov 14th, 2009 01:50 am |
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4th Post |
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appl.tech.29501 Fellow, Academy of Sublime Masters of Appliantology 
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the higher the better as far as the drain hose.your next test is to reconnect hose back to pump and fill diswasher up with water normally. get ya a bucket and drain the diswasher into the bucket...try to keep the hose as high as it normally would be if still connected to the disposal. Does it pump all the water out now ?
____________________ If you would like to make a donation you may do so at the link below http://homepage.mac.com/zenzoidman/appl.tech.29501/ |
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| Posted: Sat Nov 14th, 2009 06:33 am |
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5th Post |
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jonbarr62 Grasshopper
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I will try this, but what am I trying to prove. I had read something online about an air gap..what is that about?
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| Posted: Sat Nov 14th, 2009 09:35 am |
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6th Post |
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Samurai Appliance Repair Man Fermented Grand Master of Appliantology
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Don't worry about the air gap- your draining into a disposal so you've got a built-in air gap.
____________________ If I've helped you with your repair, please consider supporting my flavorite charity: http://beer.fixitnow.com |
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| Posted: Sat Nov 14th, 2009 10:56 am |
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7th Post |
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Budget Appliance Repair Fellow, Academy of Sublime Masters of Appliantology
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Samurai Appliance Repair Man wrote: Don't worry about the air gap- your draining into a disposal so you've got a built-in air gap. Are you serious Samurai, what you been drinking today!!!!!! With a the dishwasher connected to a disposal, if you don't have at least a high drain loop, then you have a real good chance of having yuck water flowing back into dishwasher if the disposal gets plugged up. I believe no matter where you have the drain connected you are required to have a high drain loop or air gap.
____________________ William Burk (Willie) Willie's Budget Appliance Repair Eureka, CA 95501 |
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| Posted: Sat Nov 14th, 2009 11:06 am |
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8th Post |
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Samurai Appliance Repair Man Fermented Grand Master of Appliantology
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Unbunch thy panties, young William. The question, and my answer, were specifically about the air gap; the subject of the drain hose loop, while important, was not addressed in my answer. No need to create confusion where none need exist. As for the air gap, yes, the disposal IS the air gap in case of draining directly to the disposal. Behold Figure 2: 
____________________ If I've helped you with your repair, please consider supporting my flavorite charity: http://beer.fixitnow.com |
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| Posted: Sat Nov 14th, 2009 12:03 pm |
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9th Post |
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RegUS_PatOff Fellow, Academy of Sublime Masters of Appliantology 
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Fig 1 is interesting ... it shows the DW Drain Hose into the Sink Drain, above the trap, but mentions to "Remove knock-out plug in disposer"
____________________ RegUS_PatOff http://www.youtube.com/watch?v=oPAY2LsKVEw my video production: “Easter Seals Walk With Me” (also in HQ) http://www.youtube.com/watch?v=-EBiLyYXMiA Upon leaving this Earth "Do you want the Smoking or Non-Smoking section ?" |
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| Posted: Sat Nov 14th, 2009 12:06 pm |
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10th Post |
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jonbarr62 Grasshopper
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ok...now my next question is...if my two basin sink is to the left of the dishwasher, and my disposer is in the left basin, does it matter if I still run the hose to the disposer. The pictures show the hose going to the right side of the sink no matter where the disposer is. All I know is that if I run a second rinse and Hold cycle, the water drains out. The original problem is that my customer could not get all the water to drain. The hose was originally connected to the ptrap which is in the right basin, next to the dishwasher. They had someone reconnect the drain hose to the disposer which is in the left basin, two basins over from the dishwasher. I rebuit the pump. hoses are clear. Could the original problem be fixed, and now a new problem exsist because of a new orientation of the drain hose? Also, does the diapharm in the outport of the pump have anything to do with the dishwasher not draining all the way? Last edited on Sat Nov 14th, 2009 12:18 pm by jonbarr62 |
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| Posted: Sat Nov 14th, 2009 01:13 pm |
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11th Post |
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appl.tech.29501 Fellow, Academy of Sublime Masters of Appliantology
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By doing the text I instructed you are eliminating the dishwasher being the problem. As long as they didn't add any extra hose to the original drain hose the the length of the hose isn't a problem as well as hooking it to the disposal in comparrison to the ptrap. Do the test the check the diposal port , probably didn't remove all of the metal plug that "Regs" refered to
____________________ If you would like to make a donation you may do so at the link below http://homepage.mac.com/zenzoidman/appl.tech.29501/ |
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| Posted: Sat Nov 14th, 2009 07:39 pm |
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12th Post |
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jonbarr62 Grasshopper
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OK..I will give it a try.....BTW, what knockout hole are they talking about...I looked at my disposal and did not see anything....Thanks
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| Posted: Sat Nov 14th, 2009 07:44 pm |
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13th Post |
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appl.tech.29501 Fellow, Academy of Sublime Masters of Appliantology
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the port where the drain hose attaches. it is blocked with a metal plug from the factory and must be removed before installing dishwasher. a piece of the plug may still be in there, you may be able to stick a screwdriver in there and feel it
____________________ If you would like to make a donation you may do so at the link below http://homepage.mac.com/zenzoidman/appl.tech.29501/ |
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| Posted: Sat Nov 14th, 2009 07:57 pm |
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14th Post |
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Samurai Appliance Repair Man Fermented Grand Master of Appliantology
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____________________ If I've helped you with your repair, please consider supporting my flavorite charity: http://beer.fixitnow.com |
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| Posted: Tue Nov 17th, 2009 01:53 am |
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15th Post |
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BLTH15 Sublime Master of Appliantology
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jon- where the drain hose connects is a white check valve. disconnect hose remove check valve and check for blockage. what i usually see with these is the drain hose kinks just a little to stop complete drain. look for small kink.
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| Posted: Tue Nov 17th, 2009 11:18 am |
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16th Post |
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Samurai Appliance Repair Man Fermented Grand Master of Appliantology
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I thought this was the "Point Voyager" type with the dinky wash motor. If this is the older style with the big honkin' wash motor, then that check valve is definitely a suspect. More on this here: http://fixitnow.com/wp/2008/11/14/older-whirlpool-kenmore-dishwasher-wont-drain/
____________________ If I've helped you with your repair, please consider supporting my flavorite charity: http://beer.fixitnow.com |
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| Posted: Wed Nov 18th, 2009 01:21 am |
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17th Post |
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BLTH15 Sublime Master of Appliantology
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Master- this one has a ge looking motor setup with some funky drain. not many around. the check valve is right behind the toe panels.
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| Posted: Wed Nov 18th, 2009 11:27 am |
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18th Post |
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RegUS_PatOff Fellow, Academy of Sublime Masters of Appliantology
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____________________ RegUS_PatOff http://www.youtube.com/watch?v=oPAY2LsKVEw my video production: “Easter Seals Walk With Me” (also in HQ) http://www.youtube.com/watch?v=-EBiLyYXMiA Upon leaving this Earth "Do you want the Smoking or Non-Smoking section ?" |
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| Posted: Wed Nov 18th, 2009 07:11 pm |
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19th Post |
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grey one Sublime Master of Appliantology 
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I am wondering if part #20 is at fault. A few years ago I had a problem with a G.E. d/w and it was gukus at #20 area. And not very much gukus either...Water is recirculating into the tub instead of going to drain. Have a look - I have been wrong before..............
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| Posted: Thu Nov 19th, 2009 05:36 am |
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20th Post |
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jonbarr62 Grasshopper
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what is the toe panel?..I will check item #20..what does that part do?
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