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Water backs up from the sink. pump works but no pressure

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Your drain hose is backed up in the air gap.. there is either a stainless steel colored thing on your sink or its white that normally you never do anything with. you have to take the 2 caps off of it and clear any debris. if you dont have one then you should get a bucket and take the drain hose off of the drain or the garbage disposal. then clean it out with something like a fridge coil brush (you can pick up at any home store for 10 bucks) then hit the drain button and let it drain into the bucket to make sure its pumping before you reconnect it to the drain. let me know if you need further assistance

Posted on Nov 29, 2008

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Posted on Jan 02, 2017

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3 Answers

Water backs up from the drain in my dishwasher and smells. what is the problem?


Two things can cause this problem:
1. The check valve in your dishwasher may be defective, allowing water and food debris to seep (or run) back into your dishwasher.
2. Your drain hose may not be "mounted up" the way it should be. Look under your sink. Look at how your drain hose is connected to your garbage disposal. If the hose runs down to the floor of your cabinet and into your dishwasher, that is wrong. Instead, it should be mounted up so that water from the sink and garbage disposal would have to flow up first to get into the dishwasher. If you do this, then even if you have a bad check-valve in the dishwasher, it will prevent the problem (or greatly reduce the problem) of dirty water flowing back into your dishwasher.

May 17, 2015 | Kenmore Elite Stainless Steel 24" BuiltIn...

1 Answer

Low water pressure at sink following reinstallation


if low pressure is only on the dishwasher and not sink.check both hoses going to dishwasher for clogs,rubber washer out of line or debris .if low pressure is only at sink ..you could also remove faucet filter ring at tip for sediment or debris .or lastly check valve under sink cabinet that feeds both sink and dishwasher

Dec 15, 2007 | Kenmore 24 in. 17032 Built-in Dishwasher

1 Answer

My 2 year old frigidaire dishwasher is not filling up with water, goes through cycle but no water is coming out, valve is open all the way?


If the water flows then the flow should be good, if not the inlet valve is bad or there is dirt in the filter. Also check the flow at the inlet of the water line. What is most important for the motor to start functioning is that the door switch must be ON when the door is shut or this will be an error for starting the motor. The water pressure must be good and the spraying must be seen to be good. If there is low pumping or pressure then the spray arms will not turn around to inject with pressure. If so the pump must be checked for clogging.

Click on : Inlet valve

Jan 25, 2013 | Dishwashers

1 Answer

Food remains on outside and inside of glasses and other dishes....food is not stuck on and rinse easily at the sink faucet.


A suggestion I could give is to check your water pressure. Low water pressure can easily be the root of this problem. Perhaps no water at all is being put into the dishwasher. The root of the no water prblem could be a broken pump.

Jul 15, 2011 | GE Dishwashers

1 Answer

GE Profile Dishwasher about 7 years old. everything seems to work door locks the machine trys to pump water in but it can't. I put water in thhe bottom of the machine and it does work a little but verry...


The washer doesn't pump water in--plumbing water pressure forces it in when the water inlet solenoid opens the valve. Check the water inlet solenoid--they are a common failure point. Look under the front of the washer behind the panel to find it--just trace the water inlet line. It connects directly to it. The valve can be stuck shut or, more commonly, the plastic coil form of the solenoid disintegrates. In any case, just replace it. Don't forget to shut off the water supply valve under the sink before you start work. Hope this helps!

Jan 07, 2011 | GE Dishwashers

1 Answer

Dishwasher goes thru cycle but does not get water to spray sounds like pump is runing but no water


Greetings,
its possible the pump motor is bad, this is if it fills with water , but does not wash...if it does not fill with water..Its possible the water valve is defective, broken wire or the pressure chamber....there is alot of possible reasons...mosy likely, check voltage at water valve first...simple things I found was , someone worked on something under sink and turned off water valve going to d/w, check this as well......

Dec 28, 2010 | Bosch 24 in. SHU43 Built-in Dishwasher

1 Answer

Dishwasher drains through the garbage disposal into the sink. Water backs up in the sink, but sink drains well in none dishwasher drainage. (There is a vacuum breaker on top of this sink, but I don't think...


The disposal isn't being used much which is causing the slow drain. Turn on disposal for few seconds and this should take care of the problem. During the pump out the pressure is greater than just running water from faucet.

Jul 05, 2010 | Dishwashers

1 Answer

Water does not get pumped out of dishwasher


I have had this problem a few times. For me all I had to do was unscrew the vent/overshow knob on the sink and clean out the vent. Because the vent is clogged, it does not allow the water to flow out. Clean out the debri and screw the vent cap back on- should work fine.

Aug 14, 2009 | Bosch 24 in. SHU43 Built-in Dishwasher

1 Answer

... calling Master_Tech Bosch Dishwasher SHU43C07UC


Hello Mary, I checked on your dishwasher and what you have is a pressure fill dishwasher. This unit has a pressure switch to make sure the water level is correct. When the dishwasher is full of water (the indention that is around 2 inches in from the side walls and front) is where the water level should be out to. If the water isn''t out this far, then the pressure switch is shutting off early and not filling properly. I read your entire essay, it is perfect, so this sounds like an issue of either not enough water, or the circulation pump impeller has separated and not creating enough water pressure at the wash arms. Since you stated that you removed and cleaned the filters, that shouldn't be the issue. That is normally where I find this issue at is clogged filters, espically in hard water. I have seen results in the pass where too much detergent was used causing the pressure switch to shut off early. In those cases filling the detergent dispenser with cooking oil and running the longest cycle removes the excess detergent. It is proteins that the detergent is designed to break down. So quit worring about your water pipes, the issue is with the dishwasher. Hope this helps.

Feb 02, 2008 | Bosch 24 in. SHU43 Built-in Dishwasher

2 Answers

No pressure to drive swing arm.


Check first that no debris is blocking the holes in the spray arm where the water comes out, and clean out the holes. In case it will not solve your problem, it's look like a pump problem (the pump has two functions : drive water to the spray arms and to drain water out the washer). Open the rear panel and listen if the pump works during the wash cycle. In case it doesn't work, it should be replaced. Good luck !

Jun 20, 2006 | Danby 22 in. DDW399 Free-standing...

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