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Frigidaire Dishwasher model # fdb635rfr4 top arm not working

My dishwasher's top arm will not spin. I have checked the pump and both arms and they are all fine. Plenty of pressure and no leaks or splits. There is a little ball inside one part that is supposed to move up and then down, but I can't figure out how that part works or if it is possibly the problem.Do you have any ideas? Thanks

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  • chrisbernacc Jun 22, 2008

    FDB750 top arm does not spin. Not sure if it ever did. What do I look at to see if it was installed properly or not clogged. Is there a manuel on line?

  • mortensenjon Jan 17, 2009

    Frankly, I'm not sure if the top arm has ever spun properly. I've dis-assembled/re-assembled the removable parts at the bottom, being careful to line things up properly, but the top arm is ALWAYs in the exact same spot that it started in.

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Its all done by water pressure make sure nothing is plugged

Posted on Mar 25, 2008

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1 Answer

Frigidaire 18" dishwasher arm is not spinning, and dishwasher is making a very loud noise.


Hi Ellie, this is AP!

I understand you are experiencing some trouble with your Frigidaire built-in dishwasher. Without knowing the exact model number I would assume there are two spray arms on this dishwasher, are both arms not moving or just one? Keep in mind that some dishwashers have two spray arms that turn at alternate times. They will never move at the same time. The changing of the arms starts at different times depending model and will continue through the end of the selected wash cycle.
If you can provide the model number for the dishwasher I should be able to provide you with the instructions to remove the spray arms or you could contact the manufacture they may supply it to you also. You could also apply rinse aid to the junction between the spray arms and mount to see if it will relieve the arm to spin. If not, please reply back with the model number so I could provide a more educated response.

Best Wishes,

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Frigidaire Model FDB780RCB0 I am getting water in the machine but it seems the arms are not turning what can I do to get that fixed?


The pump in the dishwasher is supposed to provide enough water pressure to turn the spray arms and make them rotate. The pump is faulty and not giving enough pressure or the arms are stuck.
Try spinning the arms, if they rotate smoothly, you will need to replace the pump.

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Frigidedaire dishwasher model FDB635RFR4 - leaves a white powdery substance on the dishes - it appears as though top arm is not moving although water is running through it.


Hi,



I have an older dishwasher also and recently my wife also complained about it not cleaning right... so me being the man I am tried in vain to clean the things... Bought new spray arms online and installed them in minutes...now the thing works like new... However I have also found that if the heating element goes bad then that also can mess things up bad... So I would buy new spray arms, and also check out the heating element to make sure it is working... Here is a tip that will help you with the online buying...


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heatman101

Asker's Testimonial "explanation very clear. will give it a go and see how simple it was. thanks Ronnie " - ronnieshomes
.....................

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Top wash arm does NOT spin, but is not blocked or hard to move by hand. Does this run off water pressure? Whatshould Itry next. I have already removed the filters and cleraned around the pump. The bottom...


Remove the dishwasher from the cabinet and look at the hose going up to the top. Make sure it isn't clogged and that there is nothing in the port where it comes out of the pump. The top arm is powered by water pressure from the pump.

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The top shelf of the dishwasher does not clean


Hi,


I have an older dishwasher also and recently my wife also complained about it not cleaning right... so me being the man I am tried in vain to clean the things... Bought new spray arms online and installed them in minutes...now the thing works like new... However I have also found that if the heating element goes bad then that also can mess things up bad... So I would buy new spray arms, and also check out the heating element to make sure it is working... Here is a tip that will help you with the online buying...

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789fy

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When a dishwasher has been checked for obstructions in the sump area and the spray arms can spin easily (by hand) plus the spray arm holes are not blocked, you end up with either a broken impeller or a failing wash pump motor.

If you would like more details of have more questions, please post comment back here, OK?

Good Luck!

Apr 26, 2009 | Frigidaire 24 in. FDB510LC Free-standing...

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Top arm won't turn


Approximatly how old is your dishwasher?
First step, clean the filter that is underneath the lower sprayer arm. You will probably need to remove several screws to clen it.
While the filter is off, inspect for debris in the pump area (watch out for broken glass that are almost invisible in the water left behind.)
Inspect the impeller for damage and repair/replace.
Reassemble the filter and spray arm - retest.
If the problems remain, the problem is often a failing (weak) pump motor and that is your next step unless you are going to replace with an Enery Star model.
Good Luck!

Apr 01, 2009 | Frigidaire FDP641RA Built-in Dishwasher

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I have a Frigidaire Ultra Quiet Plus dishwasher. The top spray arm isn't spinning during wash. The bottom spins fine and I can spin the top freely by hand. It appears there is not enough water pressure...


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

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the check-ball runs the top spray arm both arms don't run at the same time and that's the correct fill for this model whats your problem

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