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Posted on Jan 16, 2010
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WHEN I RUN MY SINK IT DRAINS INTO MY DISHWASHER BOTTOM. I HAVE SNAKED THE HOLE AND IT STILL FILLS THE BOTTOM THEN I RUN IT EMPTY THEN FILL AND RUN AGAIN. HELP

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Mike

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  • Posted on Jan 16, 2010
Mike
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Joined: Jan 09, 2010
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The dishwasher drain line that connects to the garbage disposal or pipe under the sink should be looped above the height of disposal or pipe to prevent
sink water from backflowing into dishwasher.

Most dishwashers have some form of internal backflow preventer inside the water sump assy..
Yours may be degraded or stuck open.


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Related Questions:

0helpful
1answer

Dishwasher doesn't wash. Only fills and drains.

Wash pump went out. Drain pump still works.
Not enough water. Improper water fill.
0helpful
1answer

How do i check fluid for convertable top

"How do I get the air out of my hydraulic system"?
  • Remove the reservoir plug on the motor pump. Leave the plug out and do not put back until you have finished.
  • Fill the reservoir 3/4 full with fluid (to the bottom of filler plug hole). Put a rag under the hole to catch overflow that will occur as system fills.
  • Run the pump for 15-20 seconds. Stop. Check your fluid level and refill to bottom of filler hole. Continue running the motor in the same direction for an additional 15-20 seconds. When the top gets to the end of cycle, check your fluid level, fill to bottom of filler hole, and run the motor in the opposite direction.
  • You are literally running the top all the way up and down sereral times. Checking the fluid level as you go and fill as required, leaving reservoir 25% empty.
  • When you are no longer able to add fluid, put the top in the down position. Check the fluid level one last time, should be to bottom of filler hole. Put the plug into reservoir.
    "How do I get the air out of my hydraulic system"?
  • Remove the reservoir plug on the motor pump. Leave the plug out and do not put back until you have finished.
  • Fill the reservoir 3/4 full with fluid (to the bottom of filler plug hole). Put a rag under the hole to catch overflow that will occur as system fills.
  • Run the pump for 15-20 seconds. Stop. Check your fluid level and refill to bottom of filler hole. Continue running the motor in the same direction for an additional 15-20 seconds. When the top gets to the end of cycle, check your fluid level, fill to bottom of filler hole, and run the motor in the opposite direction.
  • You are literally running the top all the way up and down sereral times. Checking the fluid level as you go and fill as required, leaving reservoir 25% empty.
  • When you are no longer able to add fluid, put the top in the down position. Check the fluid level one last time, should be to bottom of filler hole. Put the plug into reservoir.
  • 0helpful
    1answer

    Dishwasher filling with water when not in use.

    you need to replace the fill valve located on the left side behind the kick plates located at the bottom of machine. But you can test this by turning off valve located under the sink.
    However if the disposal is clogged its possible that water is back filling as it usaully drains through the disposal. Also make sure that the drain hose has'nt fallen below p-trap of sink.
    0helpful
    1answer

    Fills arbitrarily not holding any water after a full cycle. All seems well and on any given day it will have filled without warning and floods floor

    Check your drain hose to where it connects under the sink. If it is connected to the garbage disposer, and not looped upwards before it runs back to the dishwasher, it may just be drain water from the sink running back to the dishwasher. Even if it hooks up to a "t" spout under the sink, and the drains run a little slow, water can still run back to the dishwasher. The ideal set up is to have it connect to the drainage, run up behind the bowls of the sink, and then back to the dishwasher.
    If this is not the answer, then you may have a defective fill valve that is allowing water to seep into the machine (very unusual in dishwashers). Also note that water valves require 23 psi of pressure to seat closed and if the incoming pressure is less than that, even a new valve may have the same issue.
    Good luck and let me know how you make out, and if you have any other questions.
    Bob
    0helpful
    1answer

    Bosh dishwasher wont fill...also sink drains right intodiswasher.

    sounds like your plumbing in your sink is going wrong way check pipes or your sink maybe have a clog in it
    0helpful
    1answer

    My Whirlpool dishwasher will wash fine, but when it drains, it's a slow trickle. I've snaked the line from the sink to the washer, but I can't find a clog. If I try to blow into the drain pipe all I...

    In the bottom of the dishwasher, there is a screen. Remove it and clean it and the drain underneath it. Make sure the POWER IS OFF before you start.
    Oct 01, 2009 • Dishwashers
    0helpful
    1answer

    Fills but does not wash

    Hi!
    That happens when for some reason any of the two drain/spin cycles are interrupted. Try this:
    have the washer empty, then set the machine to run the last cycle to the end of it, when you usually
    lift the cover to take out the clothes, that ought to do it, I had the same problem when diagnosing a
    timer problem.

    0helpful
    1answer

    Water slowly filling cabinet when dishwasher is off.

    either
    leaking valve - to check, turn water off and see if it still happens
    or
    if appliance is plumbed in to a spigot on the sink trap, then when you empty sink, some of the water finds its way into the dishwasher via the drain hose. to cure, take the drain hose as high as possible under the sink in a swan neck
    0helpful
    1answer

    My GE dishwasher after complete washed look like water not out drain (water remain in the tub)

    Normally, there is a filter that precedes the pump and that's probably clogged with food by products. Look for the filter screen near the bottom of your dishwasher and remove any debris there.
    Another consideration is if your dishwasher drains into/ through your garbage disposal... If so.. make sure that is empty and drains properly when you run the water in the sink. Hope that helps....
    Aug 07, 2008 • Dishwashers
    0helpful
    1answer

    Miele dishwasher g843 scvi water backed up on bottom of unit

    When you drain the sink the water will go to the path of least resistance. Disconnect the dishwasher, cap the hole and see if water drains. If not then you have a plumbing issue.
    Inside the dishwasher there is also a non return valve located in the sump. This should prevent water from entering the unit. Make sure it is in correctly.

    Sgt 48
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