Will not call for water ,the arm does not move

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Dishwasher Spray Arm Not Turning ' Home Guides ' SF Gate

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Remove the lower tray of the dishwasher to freely access the spray arm. Turn it byhand, and if it doesn't move freely, you will need to unscrew or unbolt any ... How to Remove the Lower Wash Arm on a Maytag Dishwasher MDB7000AWW ...

Maytag dishwasher bottom spray arm doesn't turn - Home Repair Forum

www.homerepairforum.com > Forum > Indoor Home Repair > Appliances

Jan 3, 2009 - 5 posts - ‎3 authors
I'm now soaked, but I was able to determine that the lower arm isn't turning. There's a LOT of water coming out, but it doesn't move. Turning by hand I can turn it freely, it spins like a top. .... You may not post new threads; You may not post replies; You maynot post attachments; You may not edit your posts.

How do i remove the lower spray arm of my Maytag .

Hi frustrated in Raleigh,
I understand that the spray arms are not moving or spraying water, even after you have cleaned the screens and arms. What might be happening is you are not getting enough water pressure to the dishwasher.
The hot water line to your dishwasher must provide water pressure between 20 and 120 psi.
Low water pressure may occur when laundry or showers are in operation.
Wait until water use is reduced before starting dishwasher.
If you are still noticing that the spray arms are not moving or spraying water, I would have a local Authorized Technician come out to see what exactly is going on with the spray arms of your dishwasher.

-Best Regards-

Hi,

When my wife started complaining about her dishwasher not getting the top rack clean this is what I found and I wrote a tip about it...

Dishwasher Spray Arms not Spinning


heatman101

Make sure the water inlet valve is fully opening.

you most likely have gunk inside the arm or holes not allowing the water to spray out and turn the arm. Otherwise, the arm bearing may be stuck and will need a gentle push to loosen up.

Could be two different things -- either the pump is not moving water through the sprayer arm, or the sprayer arm isn't free to spin around.
I've fixed one of each in the past year, so either is reasonable.

First, check the easy one -- the sprayer arm.
Open the dishwasher and pull the bottom tray forward so you can reach the sprayer arm.
Reach in and try to spin it around by hand. It should move freely, and if you flick it around, it should spin a full turn around before stopping.
If it's unable to move at all, then look for something stuck like a fork or plastic bag.
If it moves, but very quickly stops spinning, it might be a foreign object or it might need a new sprayer arm assembly. The one I got this year was $38 including shipping.

If the sprayer arm is free and easy to move, then check the water pump:
Start the dishwasher and listen. When it's done filling and sounds like the wash cycle, quickly unlock and open the door.
It shouldn't spray water in your face, but there should be lots of water dripping from the racks and the top (and the dishes, if it's loaded when you do this test!)

If not, then the problem is either a failed main pump or a blocked pump, and the repair will be a bit more money and a lot more time.

If this helps, be sure to click the thumbs-up to tell me so!

Yes, the wash arm should spin freely. Recommend that you remove the arms and search for what is stopping it.
In addition to hard water, the ultra-cheap dishwasher powder really does/can leave calcium-like deposits behind. Use brand name powder for 30 days and you will see a difference. Never use gel or tablets in any dishwasher.
Adding a whole-house water softener would eliminate 90 % of your problem. The other 10% will be taken care of by not buying ultra generic powder.

If your machine has the collapsible tower in the center of the bottom spray arm, it may not be operating properly. While the machine is running, quickly open the door to determine if the tower has popped up. (You might see it collapsing when door first opens.) If it pops up, it may not be sitting straight, which means the water is then not shooting up to the funnel of the arm located under the upper rack. (Your upper dishes will certainly not be cleaned well if this is the case, even if there is enough water to wet them.) Now open the door after running the machine 15 seconds to determine if the arms are moving. If upper arm is not rotating, you can be sure there is not sufficient water feeding into it. If the lower arm is also not moving, you likely don't have enough water in the machine to begin with. After about 5 yrs, the hot water can expand something inside the water intake valve (a washer?) which then blocks the flow of water. This was our problem and was very easily replaced.

How do you know the arms are not moving? They are spun by the water jetting through them and they may be blocked. They just pull out and clip back in so run some mains water through them. Also if you put dishes or trays that are big they can obstruct the arms so give them a spin to see first.