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Posted by on August 12, 2006, 2:12 pm
I have a similar Frigidaire model purchased brand new this year. Under
warranty, I called Frigidaire who said that this behavior is normal. I
insisted that something's wrong. Repair man came, and confirmed that
this is the way it is designed. I even emailed Frigidaire customer
service, who replied: "The arm comes on
during the short wash cycle and alternates with the lower spray arm."
So the upper arm is purposely inactive during Rinse and Hold,
Pots&Pans, Regular Wash. It only activates during light wash and
rinsing. As an engineer myself, I call this a bad design! My dishes
do NOT come out clean unless I make absolutely sure they're well rinsed
before I put them in.
Anyone know if it's possible to change this (by any means possible) so
that both arms alternate during EVERY cycle???
-Disgruntled Frigidaire Dishwasher Owner
Jake wrote:
> I believe I am having the same problem. My model is FDB710LCQ0. I've
> pulled the dishwasher out from the counter to see if there was some
> type of visual blockage on the line running to the upper spout. I
> didn't find any blockage, but I did notice the pressure to the middle
> arm was extremely low. I disassembled everything down to the ball and
> impeller and the machine worked again for about 1/2 a cycle. There is
> an extreme difference in the water pressure running to the spout when
> it works properly (middle arm spins) versus when the arm doesn't spin.
> This makes me wonder if the motor is going bad. I would rather not
> spend $120 on a new motor.
>
>
> mark wrote:
> > Hi,
> >
> > I have a 2 year old Frigidaire dishwasher (model number FDB710LCB0).
> > Before I start, I have cleaned all the filters and checked for
> > obstructions. Now, the problem is this: During the Heavy and Normal
> > wash cycles, the upper spout, which supplies water to the middle arm
> > does not produce enough pressure to spin the middle arm. The lower arm
> > has fantastic pressure. Only during the Light wash cycle does the
> > upper spout really spray well, but only for about 30 seconds or so.
> > Under the filter there is a small plastic ball which sits next to the
> > impeller blade. The ball appears to perform the function of
> > alternately plugging up either the upper spout path or the lower spout
> > path, to allow each arm to operate one at a time (this model is
> > supposed to have the two arms alternate spraying. I suppose the
> > impeller is supposed to reverse direction (?) to cause the ball to
> > travel back and forth on its ramp. I'm at a loss as to what is wrong.
> > If I remove the ball, both arms work at the same time, but with reduced
> > pressure on each arm reducing effectiveness. Any ideas?
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