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Upper arm is not rotating in my dishwasher - any ideas why not?

Upper arm is not rotating - any ideas why not? It is a built in whirlpool dishwasher that is about 4 years old and I inherited when I bought the house about 3 weeks ago. As the upper arm doesn't rotate dishes are not clean so currently not using it. Lower arm is rotating. Even when did empty load upper arm didn't move, so not a case of badly loading it.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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catriver
  • 878 Answers

SOURCE: Water not getting to the upper level, dishes not cleaned.

Penrod, sounds like a circulation problem. Two things to check first. make sure the upper spray arm is not clogged with debris or split. Second is to twist and remove the filter and clear out any debris where the water enters the circulation pump impeller. If something has jammed the impeller, you would have to remove the dishwasher, remove the tank, remove the circulation motor and clean out the impeller...Catriver...post back.

Posted on Sep 03, 2006

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  • 1 Answer

SOURCE: figidare dishwasher

Read on another site that if the dishwasher is not near being perfectly level, this can happen.  The check ball moves back and forth allowing water to get to the upper arm sometimes and the lower arm at other times.  The upper arm does not usually start until later in the cycle.  Level is checked by when the door is open and the door is level.
Did'nt find a solution to my problem but I hope this helps others.
Albuquerque Mark

Posted on Feb 12, 2008

Kgt1962
  • 59 Answers

SOURCE: Viking dishwasher not cleaning bottom rack of dishes

Yes there is the Water Div valve, it diverts the water between the wash arms.

Posted on Mar 11, 2009

  • 81 Answers

SOURCE: removed lower spray arm:ge gld5500 dishwasher. Can reinstall.

Yes!

Posted on Apr 24, 2009

  • 423 Answers

SOURCE: LG LDS5811WW Low pressure out of spray arms

On the LG LDF xxxx dishwasher family, the Vario feature uses a motor/check valve to switch between "full power" cleaning from _either_ the lower or the upper spray arms, never at the same time. So, not seeing the upper arm spin during the lower arm spinning is standard operating procedure.

But back to your problem. Step one would be to remove the filter assembly again and make certain that there is nothing (debris, broken glass) blocking the white areas where the check valve rotates to switch between upper/lower spray arms. A blockage there ~could~ cause impotent spraying/cleaning.

If there is no blockage and the impeller remains in good shape, suspect a failing wash pump motor. Try to isolate the noise to that motor.

Watch for error codes on the display and report back what you find, OK?

Good Luck!

Posted on May 14, 2009

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