Upper arm does not rotate. I have removed the bottom arm and top plate and found some rubbish in the sump but I think that the problem may still be material inside the pump itself.
The pump casing is held by a screw on one side and a plastic latch on the other.
I have been unable to remove the casing. The retaining screw comes out easily enough but using gentle force in various ways around the plastic latch fails.
I note that the casing is very firmly against the body of the unit which leads me to suspect that a special tool is required.
Does anyone have any suggestions on removing this casing.
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Check for debris in the pump impeller. Your owner's manual will describe how to
1. Remove baskets
2, Remove wash arm
3. Rotate (inner) lock ring on stainless steel bottom plate to release and remove it.
4. Rotate top impeller by hand to feel for rough spots indicating debris in lower impeller.
5. Rotate motor assembly lock ring to release rotor assembly and clear debris from sump.
6. Reassemble in reverse order and check operation.
This can also occur with a drawer that is not run often (less than once or twice per month) and indicates a dry bearing surface. Most often running a rinse and hold once or twice frees this up and corrects the problem. Drawers work best when operated once a week or more.
You need to remove the lower spray arm, then the water volute that runs up the back needs to get disconnected by removing it from its rear clip (center of tub almost behind upper rack, next twist volute connector clockwise until you can pull the connector and upper supply volute tube apart. Remove connector from top of pump and then remove 5? torx screws to remove top of pump (filter plate) then look inside front section of pump sump area and locate two more torx screws to remove (on right) first sump inlet cover. The screw on the left is for the macerator (grinder assembly) cover. Pull straight up on the cover to expose the chopper assembly. Try not to disturb the chopper screen from it's location as it connects to the pump impellar shaft and is difficult to re-install. Clean any and all debris from the now open areas and re- assemble the pump. Good luck!
Hey- Two things could be wrong.- clog, or bad motor. Sump screen needs to be cleaned of debris. Removal of sump cover to access screen requires torx bits and some patience. Replacement of pump requires pulling out dishwasher to access bottom. Motors fail when seal between motor and pump fails. Will still operate, but become weaker over time. Parts available- motor about 100$ at appliance parts pros.appliancepartspros. Hopes this helps- Thanks- ED
Check the upper spray arm for debris plugging the spray holes, if clean then pull off lower spray arm and filter screen, and clean and remove any debris found in the sump, check the disposal blades as well. You will need a torx style screwdriver to remove the sump screen on this unit. You can buy a set for under $10 at your local hardware store.
i have a similar problem. water is not reaching the bottom spray arm. there. i have an underwater case for my digital camera, so i'm going to put a torch or 2 in some waterproof bags and remove the bottom spray arm and run the dishwasher to see if there's water coming out of the bottom pipe, if not, i need to try and see if there's a blockage in the system, or a dodgy valve, could be that the soldering's or the control panel's buggered.
Almost all of the problems mentioned above will be solved by having the owner buy a name brand detergent powder (like Electrosol or Cascade) and using a little less than you think you should.
For those who continue to have problems with poor cleaning, you need to remove the lower spray arm (pull straight up firmly, then out) and then remove the 9 screws that hold the filter in. Using a flashlight, inspect everywhere in the sump area (be careful of broken glass!) Remove all debris and especially look for something blocking the white check valve that is driven by the Vario motor to control the alternation between the upper sprayer arms and the lower arm. Reasemble and test.
If inside dishwasher is a mess with white mineral deposits, recommend you place a bowl filled with white vinegar on the rack of your empty DW. Start a quick cycle with no detergent added.
Check out how clean it is when you are done!
If you have problems after this, please post back what you are seeing.
I found the problem to be neither blockages of the upper arm or roof spray arm or the upper basket arm hitting the the back of the dishwasher. the problem was that the pump inlet where the food scraps are macerated was blocked with all manner of gunge including small chicken bones plastic and other detritus. Removal of the macerator housing under the upper filter housing using 2 different sizes of torx driver easily fixed the problem. Probably why the upper dish rack cleaning degraded overtime, Directly proportional to the amount of detritus blocking the intake screen behind the macerator.ator. See pics
I assume you are having spray issues, or a grinding noise. If odor is your issue, go to the bottom of the message.
For the dishwasher pictured above, Open the door. Remove the lower rack.
Push in the tabs holding the upper basket rail end caps and slide the caps up and out. Remove the upper rack. Clean the holes in the upper (or middle) spray arm.
Hold the lower spray arm still and rotote the thumb tab clockwise. Remove the lower spray arm. Clean the holes in the lower spray arm.
Use a small flat screwdriver to release the tabs holding the upper spray tube from the dishwasher inner wall and ceiling. Rotate the spray tube to the right and remove the tube.
Using a # 20 Torx bit, remove the (about 10) small screws holding in the top of the sump assembly. Remove the top section with the fingers all around it.
Using a # 15 Torx bit, remove the screw holding the round cover over the pump suction. Remove the cover (grab the tab sticking off the corner with a pliers and pull up.)
Anything stuck in the sump will now be visible. If the screen is completely clogged up, then the blade isn't wiping the screen clean. In this case, the screen should be replaced.
The screen is removable, but difficult to re-install. If you need to re-place it, put an open end wrench between the screen and the rotating blade to hold the spring compressed. Also, notice the screen isn't round. The flat edges fit only in the slots they came from.
If it's odor or white powder you want to clean out, use a dishwasher cleaning product such as Dishwasher Magic.
I tell every dishwasher customer: "You do not need to rinse your dishes before washing. But you do need to scrape them off."
Check the drain pump. First, manually initiate drain by pressing the second and fourth buttons on the keypad at the same time. If it pumps out, disregard the rest. If it doesn't at least hum, check for power at the motor.
Remove lower rack, lower spray arm, and screens in bottom, remove all water inside. Check for debris under pump cover in bottom of sump. The drain pump suction is through the hole on the left.
Behind the toe panel on the left is the drain motor, If no debris was found inside, the drain pump may have failed. Remove outer door panel (you may need to remove the two screws on the sides of the control panel.) Remove the metal panel across the top of the motor area , disconnect hose in front of pump, disconnect wires to pump, press tab at top of pump and rotate clockwise to remove pump. The impeller could be loose on the motor shaft, or the motor windings failed.