The bottom spray arm of my bosch dishwasher will not spin. Nothing is blocking it, spins freely if you spin it by hand. We've tried resetting machine via control panel and also by circuit breaker, this has sometimes worked in the past.

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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

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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 .

Circulation pump might be faulty. or spray arms are blocked. remove spray arms and clean them and try it again.

Hi

Please check if something is blocked near the top spray arm, also make sure that all holes are oopen. Use a sharp metal pin to clean the holes on the top spray arm. Make sure the water pressure is not low.
under the screen and youl'll need a Torx driver to get to it after you remove the spray arm and screen. Check to see that the path it travels is clear. I have seen these get blocked up by stuff.
Now check if the top arm spins freely and check the bearings for the arm, if they are producing extra friction while the spray arm spins. Hope this helps... Please post back if you need more assistance.

Daniel

Hi

Please check if something is blocked near the top spray arm, also make sure that all holes are oopen. Use a sharp metal pin to clean the holes on the top spray arm. Make sure the water pressure is not low.

under the screen and youl'll need a Torx driver to get to it after you remove the spray arm and screen. Check to see that the path it travels is clear. I have seen these get blocked up by stuff.

Now check if the top arm spins freely and check the bearings for the arm, if they are producing extra friction while the spray arm spins. Hope this helps... Please post back if you need more assistance.

the spray arms are not rotating check they spin freely if they do remove them and clean any residue food deposits blocking holes for water spray.

Does the arm turn freely if you spin it by hand? Make certain there is nothing hanging down from the rack above to block it. Perhaps the arm is loose and water is spraying out below, without going through the arm. Does the upper arm work? If not, perhaps the pump is clogged or otherwise not functioning properly. Is there enough water in the bottom to feed the pump? I hope this gives you some ideas to check and helps you resolve your problem.

When you say the dishwasher is running do you mean that the pump is operating?  If the pump is not pumping water the arm will not spin.  Is there a bottom arm and is it spinning?  If it spins then the pump is working. The upper arm will not spin if it is blocked by hitting a large dish or utensil.  There should be some sort of tube or tower (some are collapsible) in the center of the lower rack that shoots water into the bottom of the spin arm above.   Is it missing, blocked or clogged?

I may have the answer. I had what sounded to be the same problem. I found the dishes were dirty after they were cleaned, but I found there may have been a big pot lid blocking the upper arm. I decided to run the machine again, and after a bit opened the dishwasher after to make sure it was not a problem with the arm. Sure enough, the arm wasn't moving. However, I found out on the Frigidaire webpage that some models have an alternating spray cycle, where only one arm spins at any given time. After reading this I checked again, and it had moved by that time. I checked a few times more to confirm this. So it ended up it was an arm blockage after all. Hope this helped...good luck.
www.frigidaire.com/support/FAQ-Dishwasher.asp#6

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.

1.does motor run? no. replace motor. 2.open door and leave the bottom rack inside dw.spin the spray arm underneath the bottom rack by hand. it should spin freely without binding. if it doesnt spin freely take out the bottom rack and try again. if it does spin freely then your bottom rack is laying on your sprayarm preventing it from rotating. 3.you could also not be getting enough water into your dw.