Question about Whirlpool 24 in. GU3200XTPS Stainless Steel Built-in Dishwasher

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The upper rack doesn't not appear to get all the dishes clean. Why does this happen?

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  • 188 Answers

The top rack is not cleaning because of low water pressure from the wash motor to the upper spray arm.
Assuming the top spray arms are clear of debris, remove the lower spray arm to access the wash motor. Remove the 4 torx screws and the filter (accumulator assembly). Remove the torx screw and the inlet protector that covers the chopper assembly. Make sure the chopper is not broken (broken chopper will fill with debris and block water flow). While holding the chopper blade, reach inside the "D" shaped opening on top of the motor and spin the wheel/motor by hand in each direction to make sure either the chopper gear or the motor gear that drives the chopper is not broken. Replace the chopper if necessary (part # 8268383). If the motor gear is broken, replace the sump and motor assembly (part # 8535150). Remove any debris from the sump area in the process.
You don't have to because the door will be open, but if you feel more comfortable shutting off the power to the dishwasher, do so.
Good luck!

Posted on Mar 05, 2009

6 Suggested Answers

  • 105 Answers

SOURCE: dishes not washing clean

check water level in machine
may be not filling enough and the wash pump is starved from water thus not pushing water to upper arm
drain water from machine dismantle and clean out air tube to pressure switch take off air tube at pressure switch and blow back into sump then pinch air tube with fingers to stop air from flowing back up tube then refit to p/s
run and see if that solves problem

Posted on Feb 24, 2008

aborcass
  • 2651 Answers

SOURCE: broken nozzle and upper spray arm

the spray arm just screws back on, unless of course its cracked in which case needs replacing( chances are since it fell off its cracked) heres the part num 154478202

Posted on Mar 15, 2008

aborcass
  • 2651 Answers

SOURCE: Upper Rack not cleaning

id try removing hte lower filter plate . 5 torx 15 screws will gain oyou acess to lower sump and 2 more torx screws that will acess you the chopper assy, prhaps filled with debris not allowing good water flow,

Posted on Mar 25, 2008

  • 161 Answers

SOURCE: upper rack dishes dirty

Is it filling with enough water. Look or if you don't know how much water is supposed to be there , Just add a gallon of hot water to the machine after it fills. If this solves the problem check the filter in the fill valve or replace the valve.

Posted on Jul 05, 2008

  • 1 Answer

SOURCE: Not cleaning upper rack

You'll need to clean the food chopper in the base. Make sure you've got a torx screwdriver.

http://forum.appliancepartspros.com/dishwasher-repair/8174-kitchen-aid-dishwasher-wont-clean-top-rack-items.html

Posted on Nov 06, 2008

  • 188 Answers

SOURCE: Dishwaher does not clean, upper rack

The top rack is not cleaning because of low water pressure from the wash motor to the upper spray arm.
Assuming the top spray arms are clear of debris, remove the lower spray arm to access the wash motor. Remove the 4 torx screws and the filter (accumulator assembly). Remove the torx screw and the inlet protector that covers the chopper assembly. Make sure the chopper is not broken (broken chopper will fill with debris and block water flow). While holding the chopper blade, reach inside the "D" shaped opening on top of the motor and spin the wheel/motor by hand in each direction to make sure either the chopper gear or the motor gear that drives the chopper is not broken. Replace the chopper if necessary (part # 8268383). If the motor gear is broken, replace the sump and motor assembly (part # 8535150). Remove any debris from the sump area in the process.
You don't have to shut the power off to the dishwasher because the door will be open, but if you feel more comfortable, do so.
Good luck!

Posted on Mar 13, 2009

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