Question about Maytag MDBE790 Built-in Dishwasher

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Lower and upper spray arm will not turn

I took off and cleaned the lower spray arm and water is comming out of the holes and the center of the spray arm but will not turn. I have not done anything with my upper spray arm yet.

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If the spray arm is not binding due to worn out plastic bushings, then it could be a lack of water pressure, because it is water pressure which makes the arm turn.
Give it a gentle tap in a clockwise direction,,does it spin easily?
If it does,,then it will be lack of water pressure that will be the cause.
Possible pump wear or failure.

Posted on Jan 30, 2009

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Posted on Jan 02, 2017

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Water fills the bottom of dishwasher, lower spray arm still seems to turn/spray but no movement or water coming out of uppoer spray arm. We took apart the lines to see if there was blockage -- none.


If there is no blockage, your pump may need to be rebuilt or replaced. If your machine uses a solenoid valve to control weather the pump is washing or draining. The drain valve may be stuck somewhat open, diverting wash water down the drain. Or the wash valve may be not opening fully. Different machines work in different ways.

Nov 09, 2013 | Dishwashers

4 Answers

Dirty dishes


It could be a motor or a pump issue. The dishwasher has a motor that attached to a pump which forces the water up into the sprayer arms and during the drain cycle, it pushes the water out of the dishwasher.
The motor (and pump) located beneath the dishwasher.
Check if motor spins. In case it spins, the problem is with the pump ,in case it doesn't spin it could be a motor problem or a motor and pump problem.

First of all: filter plate clean? Clean any locked hole.
1) Can you remove the upper spray-arm and verify if holes inside are locked by any residus. Clean the holes , and check if pure water come out when you fill the center hole with some water.
2) Switch on the dishwasher , coldest wash cycle dish-washer empty and without the upper spraying arm. Once you hear water streaming in, open the door and look if a little water fountain comes out from the center hole where the upper spraying arm was fixed. If not, this canalisation is blocked and should be cleaned. Try to continue the wash cycle, often the water pressure will clean itself this canal. Check also lower spray arm: it should be rotating a while and ejecting water thru its holes. If not, verify this canalisation as well.

3) Put the spraying arm again on its place, verify also the sealing else water pressure is going down and spraying will not turn and spray water.

4) Again, continu a wash cycle, open the door and look; upper arm should be rotating and some rays trown out.

Hopefully, this helps .

If not, pump pressure may be low; have a repair verify, can be that only brushes in the motor must be replaced, can be the pump worn out and to be replaced at all.

Aug 12, 2008 | Asko D1776 Built-in Dishwasher

3 Answers

Motor runs but


Do you have a print manual for this unit?

Aug 05, 2008 | Kenmore 18 in. 14432 / 14439 Built-in...

1 Answer

My dishwasher is not working water is making to the dishwasher and is getting pumped out but it is not going through the jets


There's aspray arm at the bottom of your dishwasher--it may have a tall spray tubemounted to the center of it. There may also be a spray arm located directlybeneath the upper rack of dishes and/or above the upper rack. If debris is blocking the holes inthe spray arms where the water comes out, it could cause cleaning problems.Regularly inspect each of the spray arms and clean out the holes as necessary.

May 13, 2011 | Frigidaire Dishwashers

1 Answer

Our asko 3250 is leaving s film and the soap is not coming out of the reservoir. It just sticks in there. Thedishes also have a kind of crust on them.


Check to see that both upper and lower arms are working. You can do this by suddenly opening the diswasher about 6 in and observing if the wand arm on top is revolving. This is done by water from the lower arm being pumped up through a tube mounted in the lower basket that centers over the lower arm and upper arm. Check that the tube is clear. check that water from the lower arm center is being pumped. Check that the hole is clear. if you have hard water, then sometimes the holes get clogged up and the arm will not rotate.(just like a lawn sprinkler) The upper arm rotating is what washes the detergent out of the soap dispenser. To aid in cleaning the spray holes, pour some white vinegar in the bottom of the machine about two cups, and turn the machine on high temp wash. Do not let the mixture drain out untill you have cycled it about five times. When the wash cycle has about finished stop and restart. The acid in the vinegar will help disolve the calcium and hardened soap. After the finish rinse cycle, you can put a little lemon juice in the machine and let it was through, that way the vinegry smell will disapate.

Jan 09, 2011 | Asko 24 in. D3250 Built-in Dishwasher

1 Answer

Dishes are cloudy and have soap residue. Have cleaned upper &lower spray arm often, as good as posible (find holes plugged). water level & temp. seems normal . Water intake screen appears clean


Clean the spray arm jet holes if they are blocked. Check whether you have filled the rinse-aid dispenser.

Check whether arm turns freely when rotated by hand manually.

May 26, 2010 | Maytag MDB9600A Jetclean II Built-in...

2 Answers

LG LDS5811WW Low pressure out of spray arms


On the LG LDF xxxx dishwasher family, the Vario feature uses a motor/check valve to switch between "full power" cleaning from _either_ the lower or the upper spray arms, never at the same time. So, not seeing the upper arm spin during the lower arm spinning is standard operating procedure.

But back to your problem. Step one would be to remove the filter assembly again and make certain that there is nothing (debris, broken glass) blocking the white areas where the check valve rotates to switch between upper/lower spray arms. A blockage there ~could~ cause impotent spraying/cleaning.

If there is no blockage and the impeller remains in good shape, suspect a failing wash pump motor. Try to isolate the noise to that motor.

Watch for error codes on the display and report back what you find, OK?

Good Luck!

May 14, 2009 | LG 24 in. LDS 5811ST Stainless Steel...

3 Answers

Top arm not spinning


only the top rack isnt getting clean?
there is a little plastic circle in the middle of the bottom of the upper spray arm. turn it counter clock wise to pull the upper spray arm from the upper rack. make sure that isnt clogged and the spray holes are not clogged. otherwise....

the piece that the bottem spray arm plugs into and runs along the back wall of the tank to the top is called a feed tube. pull the bottom spray arm out. now you can see the part of the feed tube that feeds the upper spray arm water. does it pop out freely and easily? if so then you need a new feed tube, if not then its most likely your not achieving the right water level or your impeller connected to your circulation pump(motor) is clogged not supplying enough water pressure to travel up the feed tube to spin the upper spray arm.

Jul 13, 2008 | Bosch 24 in. SHU43 Built-in Dishwasher

1 Answer

Maytag MDB3100 Soap Dispenser Problem?


Remove each arm and inspect the small spray holes for plugging. Use a vacuum in the center hole and poke out each plugged hole. Unless your vacuum allows wet pick-up, make sure the arm is dry first. Try using a capsule type of detergent instead of liquid. You might have to tear down the lower spray arm assembly to the deck to clean the large screen which may be plugged with water/food deposits. Use hot water, detergent and white vinegar to clean the screen. Hope this helps!

Jun 12, 2008 | Maytag MDB3100 Dishwasher

9 Answers

Dishes not getting clean


Yes I had the same problem and just fixed it for $7.00. Did not even had to take anything apart. This is what you will have to do. If this dosen't work then try what these experts are suggesting. Please follow these steps for optimal results. #1 Break off a plastic Tea spoon. #2 Put it in place of a LATCH to by pass so you can watch the operation of the dishwasher.(put down some towels for water spill) #3 start the dishwasher on normal cycle. #4 Pour in Gallon of White Vinegar($2.00) while the Dishwasher is being filled. #5 Let it run through its cycle. After the cycle is complete water will drain out and then actual cleaning cycle will start. Then #6 while the dishwasher is being filled again pour in 48 OZ or bigger bottle of CLR (Calciam Lime Rust) it is available at Meijer, walmart, Rite Aid, Home Depot Ace Menard's etc. for $5.00. sit by the dishwasher and listen for it. if you hear water draining pull and push the water plunger so it won't drain so you don't loose your CLR down the drain. since you have the spoon in the LATCH your dishwasher will always be on so BE CAREFUL when you stick your hand in it. And after the cycle is complete enjoy your NEW DISHWASHER.
Thanks
Kashif.A

Nov 06, 2006 | Jenn-Air JDB6510 Built-in Dishwasher

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