Question about Frigidaire 24 in. FDB435RFR Built-in Dishwasher
After a wash and dry cycle, the dishes on the top rack do not come clean. The top arm does not seem to rotate at all when water is flowing into it. I've verified this by placing it in a certain position, and it's barely moved when checking it at the end of the cycle. Also, I've listened for various parts of the wash cycle, and can tell when the process switches from the lower arm to the upper arm. Opening the door quickly at that point, I see there _is_ water dripping out of the upper arm, so I know there's some water coming out of the nozzle inside the top of the tub. But it's almost as if there's not enough water pressure to spin the arm. Is there somewhere in the lower section where I can check for blockage of the hose or pipe that feeds that upper nozzle? I've removed the upper arm and inspected the holes in it. There's no blockage. The arm does spin freely by hand when it's in the dishwasher. There are no dishes or items impeding the spin of the arm (testing it when the dishwasher is empty). Also, I've checked the seams in the arm for leaks that might reduce its effectiveness. No problem there either. Hoping to solve this myself rather than call in a repair person. Thanks!
You could try running it with the upper arm removed, just so you could be sure that the pressure is not getting to that point - unless you are absolutely sure the upper arm holes/channels are all clear then descale it overnight with some vinegar - just might clear something. if there is obviously only a little flow of water then perhaps you could try getting vinegar into the supply pipe using a basting bulb/syringe or similar - again leave overnight and you may get lucky. The next thing would be to take the machine apart so you could follow this hose through to the pump - undo it from the pump and blow through it or see if you can get a piece of wire in it from the pump end. try vinegar again. check the pump outlet for blockage. Hope this helps :)
Posted on Mar 14, 2007
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