Upper 'Arm' Dead in KenElite (NOT the Chopper!)

Dishwasher Repair
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1

Been living with this for a while…glas.ses never get really clean, oftentimes there’s detergent & crud on the upper part of the door… but lower rack stuff is fine. I can tell the upper ‘arm’ (little plastic ‘yin-yang symbol’ shaped) isn’t spinning at all.

I’ve already checked the chopper, it’s fine (replaced it about 1.5 years ago), as is the rubber ‘check valve’ thingie that’s next to the chopper. We’re good about pushing the upper rack all the way in, so it engages one of the two holes. I’ve checked the plastic 'pipe w/the upper arm…there’s no detergent or other gunk clogging things up

I just can’t figure what the problem might be! Part of me thinks it’s the pump…something blocking something inside it, past the chopper…but I can’t figure how it would be working at, say, half-strength; I’d think it would be all good, or dead.

Is there somewhere besides the chopper where gunk/stuff clogs something up & reduces the flow/pressure?[LEFT]
Read more: http://forum.appliancepartspros.com/dishwasher-repair/386641-upper-arm-dead-kenelite-not-chopper.html#ixzz1grRbSfnF
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2

A model number may hep others help you.

Any filter in the unit that is partially clogged will cause low water pressure,

Check that the holes in the upper arm are clear of debris.

Often low pressure is due to a low fill.
Most units should fill to just under the heating element.
To check this add a couple quarts of hot water just after a fill.
Just be careful to not overfill the unit.
Now if the arm spins OK then low fill is probably your cause.