Water that fills your dishwasher lifts this float. When it reaches a certain level, the float triggers the float switch to shut off, thereby shutting off the flow of water into the dishwasher.
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Troubleshooting
This part fixes the following symptoms:
Will not fill with water | Leaking | Not draining | Will Not Start
Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
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★★★★★
★★★★★
Debra W - January 18, 2023
Verified Purchase
Difficult repair
The part was what we ordered and arrived quickly. Unfortunately, since we didn't know exactly what was wrong with our dishwasher, it was not the part we needed.
★★★★★
★★★★★
Carolyn G - July 28, 2018
Verified Purchase
Service and Part
part was exactly what we needed and received it in a timely matter
★★★★★
★★★★★
David S - April 14, 2018
Verified Purchase
good price, fast service, product as expected
Exactly what I ordered at a competitive price and shipped the same day. Thank you.
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Customer Repair Stories
Average Repair Rating: 4.0 / 5.0, 10 reviews.
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Dishwasher does not fill with water
Turn off power, remove the lower kick plate and lower trim panel with the nutdriver. The float switch is in the front on the left. Remove the two wires on the switch. Use a #1 philips to remove the one screw holding the switch to the frame. Remove switch. Install wires on new switch and install switch using the screw. Be sure to get the p
... Read morelastic float arm under the switch. Raise float and observe the switch clicking on and off. Replace lower plates and restore power.
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Charles from MELROSE PARK, IL
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver, Screw drivers
1 personfound this instruction helpful.
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After 22 years of virtually trouble -free service, I could tell by the sound that something was wrong. Water fill ran too long. Float not stuck. Checked and found float switch stuck.
Very simple. Remove bottom panels. Remove one screw holding old switch in place. Move wire connections from old switch to new one. Cleaned and lubed the switch actuator. Mounted new switch. Checked that float and actuator worked freely. Left bottom panels off till I ran a load - just to be sure all was OK. Remount bottom panels...Done! P
... Read more.S. Don't forget to turn power off to dishwasher any time you work on it!!
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Marc from GLENDALE, NY
Difficulty Level:
Very Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
1 personfound this instruction helpful.
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Dishwasher was overfilling
Remove lower cover, 4 Phillips screws. Remove bracket with float switch, two hex head screws in the rear. After removal pull switch wires, two in plastic housings. Remove float switch, one small Phillips head screw. Remove float switch lever, one Phillips head screw. Clean the bracket and lever. Replace the lever and lube with silic
... Read moreone. Replace the float switch, (new one) and replace wires. Reinstall install bracket with original hex head screws. Replace lower cover. Done.
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James from AMISSVILLE, VA
Difficulty Level:
Very Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers, Socket set
1 personfound this instruction helpful.
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washer was not filling with water on the rinse cycle.
I removed the access panel and it was right there. one screw - disconect the wires & it was out. then right back in - access panel on, and done.
Robert from Rochester, MN
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
1 of 6 peoplefound this instruction helpful.
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No water would enter in dishwasher
Removed covers on the bottom of dishwasher so I could get access to area. Measured no voltage on water inlet pump. removed to wires from foat switch, one screw to remove float switch. When I pressed the float switch button to activate the switch would not move. Ordered and replaced the switch. 30 minutes tops
Rick from Laingsburg, MI
Difficulty Level:
Really Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
5 of 10 peoplefound this instruction helpful.
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Dishwasher would not fill with water
Remove the lower panel by taking out the 2 screws on top and 2 at the bottom of the panel. To diagnose the problem, verify that there is water supplied from the valve under the sink to the water supply valve under the DW. This can be done by turning off the valve under the sink, disconnecting the copper supply line under the DW then tur
... Read morening on the valve under the sink to see if water passes through the line.
The float switch is located on the left front (as you face the DW). This is activated by the float in the tub. Check to be certain that the float is not restricted. The contact point on the switch is a spring loaded plunger. It should depress as the float rises and pop back out as the float returns to its low point.
Turn off the circuit breaker for the DW. To remove the switch, pull off the two electric leads from the switch. Mark the top lead with a piece of tape. Then remove the one philips screw. Replace the switch by reversing the procedure. Note that you have aligned the float contact point with the float.
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Clifford from Palm Harbor, FL
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Nutdriver, Screw drivers
11 of 28 peoplefound this instruction helpful.
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the washer got to where it would run and stop and repete
had to remove the iner door plate and remove the main switch or latch to get to the micro switches witch one had over heated over time,it is working like new at this time.
J.T. from Natchez, MS
Difficulty Level:
Really Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
1 of 4 peoplefound this instruction helpful.
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Dishwasher leaks water
I removed the two plates located below the dishwasher door to expose the float switch. I removed the two screws holding float switch, I removed screw holding switch actuator, then I removed float assembly. Installed new float assembly, but could not use the float palnut, it had too small of a hole, I substituted a larger one that fit
... Read more the float better. Note I fitted the palnut to the float (the nut cuts it's own threads in the float) before installing the float. This made installation easier. Next I transferred the two wires from the old float switch to the new float switch in the same positions as the existing switch wires. Then I installed the float switch. Finally, I cleaned up the float switch actuator and screw so that the actuator moves freely on the screw. I then installed the float switch actuator and ran the dishwasher to check for proper operation. Note: this float and switch control the water level in the dishwasher. If the actuator sticks, the dishwasher will fill with too much water and leak. If the float has collected dirt inside, it will weigh more and the water level will be too high, causing the dishwasher will fill with too much water and leak. If the switch sticks or fails the water level will be too high, causing the dishwasher will fill with too much water and leak. That is why I relaced the parts: float and switch. I don't want to go back and work on this again. Lastly, after a few days of proper operation, I installed the two plates located below the dishwasher door. Job done!
Water Valve would not open to allow water into DishWasher
First, I removed the foot plate(s) at the bottom of the Dishwasher. (2 screws each side)
Then I removed the two top screws at the front of the dish-washer. The screws were mounted into a board under the counter that had broken loose. (A minor secondary issue specific to my situation.)
I gently inched the dishwasher o
... Read moreut from under the cabinets.
SLOWLY, I tipped the dishwasher over on its side, allowing the water still inside to drain into a pan. Minor cleanup required for the cup or two that missed.
I then had access to the part. I disconnected the power from the wall socket, and I closed the valve for the inlet water from under the sink.
I removed the screws holding the Water Valve to the DishWasher case. Then I took a sharpie and marked one side of one of the two power connectors, black-mark to black-mark.
When I went to disconnect the inlet pipe, there was more dripping than I expected, so the valve under the sink was not closing completely. I needed to shut off the water supply to the house for the next stage.
I disconnected the inlet water supply, which continued to drip slightly into a bucket. I then removed the coupler from the old water valve. It was badly clogged and corroded, so I went to a local HW store and found an exact match 3/8" to 3/8" right angle coupler with compression fitting on one end.
BIG TRICK, before installing the new coupler, WRAP the compression fitting threads with teflon tape. You will not be able to wrap it once it is installed. In fact, I needed to uninstall the part once after I discovered this, to wrap the threads smoothly.
Once pre-wrapped, wrap the other threads that screw into the water valve. Tighten until secure, AND aligned with the direction of the flow tubes of the original.
Match the electrical connectors, black-mark to the same position as before. (The new water valve will NOT have the black-mark on it, unless you transfer one!)
Connect the Water valve back to the Dish Washer chassis with the two screws previously removed.
Connect the inlet water back to the compression fitting with the pre-wrapped threads.
Gently return the dishwasher to upright, and then plug it in.
Open the valve under the sink slowly and watch for drips or leaks.
Run the dishwasher at the start of a cycle, long enough to determine that the valve activates, and allows water to flow. Then stop the cycle.
Gently walk the dishwasher back under the counter, observing that you do not kink the copper water inlet pipe, or the drain pipe.
Adjust the feet, if necessary, back to fully support and level the dishwasher.
Install the two screws holding the dishwasher to the cabinet front. Then install the kick plates and tighten those 4 screws.
dishwasher tub overfilled between uses and flooded kitchen
Remove lower cover to expose the motor, valves and electrical connections. turn off water supply and electrical circuit breaker. Disconnect leads from float switch. Remove float switch with a single phillips head screw. Replace with new one and attach leads---very easy.
Remove water inlet electrical connections--remember wh
... Read moreich goes to which connector. Disconnect hot watter supply with open ended box wrench. Remove water inlet valve from washer wall by unscrewing two sheet metal screws. Use 1/4" socket and 3" extension for this. Use pliers to release the hose clamp holding the rubber water line onto the valve outlet stem. Reverse this sequence to intall the new switch. Moderately easy. Have sponge and paper towels to soak up spills when you do the disconnects. .
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9 questions answered by our experts.
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Jack
October 18, 2017
Dish washer does not drain all the way. Leaves an inch or 2 of water after running. Impeller is fine. It mentions the float switch fixes this but all I see is it stops it from over filling. Not draining. ???
For model number MDC5100AWB
Hi Jack, Thank you for the question. The most common reason to have standing water is because food debris has clogged up the drain system. I suggest taking the filter and sump out and the pump and giving them a good clean. Sometimes food debris can get into the float and will not allow it to close properly and allow water back into the tub. Hope this helps!
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Curt
November 7, 2017
No water enters the dishwasher. Could it be the water valve?
For model number Dwu8260AAX
Hi Curt,
Thank you for your question. That would be the first part that I would suggest you take a look at. You can test your water inlet valve with a multi meter to double check if the part is working correctly. If this part is working fine, you may want to look at your float switch. You can also test that part with a multi meter as well. Good luck with your repair.
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Rick
May 14, 2019
I have a small leak around the float shaft. I removed the float and i did not find any dirt or crud. The float switch cycles the float up and down and the water leaks down the shaft. Is the float cycling switch or does the switch/arm cycle the float up and down.
For model number CDB3100AWE
Hello Rick, Thank you for the question. I suggest testing the switch with a multi meter to check for continuity. It may not be closing the float properly. You can also check the Actuator Lever and Actuator Lever Pivot Pin for wear or damage. Hope this helps!
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LIZ
November 25, 2017
When testing inlet valve with a multi meter and your float switch. What should your meter read?
For model number DWC760288B
Hi Liz,Thank you for the question. Test and see if there is power coming to the water valve on the unit. If there is power there, and your getting no water, you will need to order and replace the water valve on the unit.For the switch, NC to COM should read closed and NO to COM should read open. Hope this helps!
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BARRY
April 5, 2018
Machine starts normal and runs for about 25 minutes, then it stops making and repeating a clicking sound like a motor trying to start. The tub was full of hot water (not over full), i pushed the drain off button and it makes the same sound like it wants to begin pumping out.
For model number MDB9150AWS
Hi Barry,
Thank you for your question. There are some parts that you will need to check to see which ones are causing the issue. You will need to check the electronic control board, the door latch assembly, the float switch, the limit switch, the motor and the pump. You may test the parts with a multimeter. I hope this helps. Thank you and have a great day!
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Rick
May 14, 2019
I have small leak(1/ 4 cup) per cycle from the float level shaft. I have checked the float switch for continuity and it opens and closes the circuit. I removed the float and it is clean, so is the shaft and shaft tunnel. What else might cause the leak. ?
For model number cdb3100awe
Hello Rick, thank you for inquiring. Check to see if the Actuator is stuck, as this will cause the dishwasher to fill with too much water and leak. The Palnut goes on about 1/4" or so, just enough to keep it from popping out if the water level gets too high. We hope this answers your question.
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Wendy
February 6, 2019
Dishwasher leaks towards end of cycle when rinsing from underneath ... coming out of where float switch is in the front left corner.
what would need replaced?
For model number Maytag WU302
Hello Wendy, Thank you for contacting us. I suggest checking the following parts: PS11743008 Hose Clamp, PS11746825 Door Gasket - gray, and PS11740613 Hose Clamp. Good luck with your repair!
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Rick
May 14, 2019
My dish washer is old but seldom used by the previous owner of my home, but i will check for continuity of the float switch. How far up the float shaft should the palnut be?
For model number cdb3100awe
Hello Rick, Thank you for the question. The nut normally sits at the bottom of the float shaft. Hope this helps!
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Jack
October 18, 2017
Per prior question.......when i pulled the impeller to inspect it i took out the filter, pump etc and cleaned them out. is there something else i missed?
For model number MDC5100AWB
Hi Jack,
Thank you for contacting us. You could also check your drain hose as well. Other than that, it could be a problem with your drain pump or with the electronic control board. Good luck with your repair.
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