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See part 321 in the diagram

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SENSOR TURBIDITY Assembly

$21.57   In Stock

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PartSelect Number PS7783361
Manufacturer Part Number WD21X10494
Manufactured by GE
Troubleshooting
This part works with the following products:
Dishwasher.
This part works with the following products:
General Electric.
Questions and Answers

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7 questions answered by our experts.
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    Matthew
    January 28, 2018
    Dishwasher no heating, once dishwasher completes you open the door and temp is only lukewarm. Replaced the heating element two days ago and no change. We cant remember the last time it worked properly. Dishwasher leaves a soap film on front door and does not dry dishes. I assume i need a thermostat, but can not find it for this model.Please help.
    For model number gdf520psdoss
    Hello Matthew, thank you for your question. There would be a few things to check before ordering any parts. I would check to make sure the heating element received is working properly, by checking continuity. Depending upon the manufacturer, the element should read 15 to 25 ohms of resistance. If it reads "0", then it's bad. It is possible the part was defective. If the part is testing good, I would check to see what the temperature of the water is that is coming from the house to the unit. The temperature might need to be adjusted. Also, it is recommended that you "prime" the unit by running the water at the sink in your kitchen until the water is hot. Then turn on the dishwasher. If the water source takes a while to heat, the water going into the unit might not be hot enough for the element to keep hot. I hope this helps!

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    Matthew
    January 30, 2018
    You just answered my last question but need a followup: 1. I failed to mention that it doesn't heat during the drying phase, i would expect it to heat and dry the dishes. That is why we ordered the heating element to replace. 2. How do i adjust the temp coming into the dishwasher? Thank you
    For model number gdf520psdoss
    Hello Matthew, Thank you for your inquiry. Water entering the dishwasher must be at least 120 degrees Fahrenheit and not more than 150 degrees Fahrenheit for the best cleaning/drying and to prevent damage to the dishes. You have to adjust the temperature at the point where the fill hoses are attached to the sink or where the water enters and goes into the water inlet valve-check your water heater as well. Also make sure you are using plenty of rinse aid to assist in drying. If the element tests ok with a multimeter, you may have an issue with your control board as well. Hope this helps!

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    Brandon
    February 25, 2019
    My dishwasher drains the water but at the end of the cycle there is still an abnormal amount of water in the bottom. I’ve already replaced the level sensor and water inlet valve because of other problems.
    For model number GDT580SMF0ES
    Hi Brandon, Thank you for your question. It is normal at the end of a cycle to have 1 or 2 cups of water left in the bottom of the dishwasher. If there is more than 1 or 2 cups of water left in the dishwasher, there may be debris trapped in the pump preventing the water from draining completely. You will need to inspect the pump to see if this is what is causing the issue and clean it if it is. If the pump is not the issue, you may have to replace the flood switch. I hope this helps. Thank you and have a great day!

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    Dan
    6 days ago
    Do you have a procedure for testing a wd21x10494 GE turbidity sensor?
    For model number gdt580smf0es
    Hello Dan, thank you for your question. With the power supply to the dishwasher turned off, the turbidity sensor can be tested from the main control at the connection P12 from the wire at pin 1 to the wire at pin 3. The resistance should measure between 46KO to 52KO at room temperature. We hope this helps.

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    Matthew
    February 3, 2018
    Hi, you have answered two of my questions. All of this makes sense and I will be checking the timer and the element. The temperatures do not really make sense to me as my dishes look clean even after drying (with air/open dishwasher). My issue is once the dishwasher stops running, I open the door and it is not hot in the washer which makes me think the element is not heating. Can you point me to if I need to change the control board if it turns out my element is good? You do not think it is the thermostat? I want to be mindful of my cost in parts to justify not purchasing a new washer.
    For model number GDF520PSD0SS
    Hello Matthew, Thanks for your question. It is also possible the vent might not be opening properly. Check to see if it is opening or if the vent is damaged. If that is not the issue, then it could be an issue with your dispenser. First, make sure the rinse aid chamber is not empty. If there is rinse aid in the chamber, then inspect the cap to make sure it is properly fitted and adjusted properly. I hope this helps.

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    Joe
    January 15, 2018
    I’m having problems with my dishwasher not heating during the drying phase and the soap is not rinsing off the dishes. I’ve already replaced the heating element and i’m not sure if it is draining like it should. There is still some water remaining when i unscrew the filter. About two weeks ago there was a grinding noise like something we put in the dishwasher may have broke and got caught in the grinder. There were some small black plastic pieces in the filter and they have all been removed. I’m trying to figure out what to check and what parts i need.
    For model number WD35X20794
    Hi Joe, Thank you for your question. If your dishwasher is not cleaning properly, there are some parts that you will need to check to see which one is causing the issue. You will need to check the spray arms, the docking station (if present), the upper discharge housing gasket (if present), the chopper, the water inlet valve, the water delivery tube, the filters, the wash spinner, the detergent spinner, the pump impellers and the pump. All dishwashers will have a method to drain the water. Most models will have a single motor driven pump with two separate compartments, one for circulation and one for drain, each with its own impeller. Other types will have a separate drain pump and some will utilize the main circulating pump in conjunction with a drain solenoid and diverter valve or flapper. On models that use a separate drain pump you should check to see if there is any obstruction to the input and output of the pump and also verify that there is power getting to the pump motor during the drain portion of the cycle. If both check ok, then you should replace the pump and motor assembly. On models that use a drain flapper and solenoid, again you should check for any obstructions and verify that the solenoid is getting energized and that there is continuity. Use a multi-meter to make these tests. Check that the linkage operating the flapper or diverter is moving freely and replace any defective parts. On models that have a two section pump, the drain impeller may be at fault. First, verify that the motor is running in the proper direction. If the motor does not run, then check for power at the terminals on the motor. If voltage is not present, then you should check door switches, timer or electronic control as a possible cause. If proper voltage is present, then the motor windings could be open. If the motor is humming, then the problem could be that the drain impeller is jammed or the motor could be seized. If the motor is seized, then the motor or motor and pump assembly will need to be replaced. The electrical checks can be made with a multi-meter. Disassembly of the pump will be required to determine if the impeller is the problem. The drain compartment is typically located beneath the circulating compartment. Remove the lower rack, spray arm, pump cover and filter assembly to gain access. Inspect the drain impeller for damage or wear and replace if required. Also check that the food chopper is in good condition and not allowing large food particles to clog the drain outlet, and that both the chopper and impeller are turning freely. Also if the soap is not dissolving, the water may not be hot enough. Before starting a cycle on the dishwasher, turn the hot water tap on and let it run for a few minutes and then start the cycle. You may have to vary the amount of soap you use as well. I hope this helps. Thank you and have a great day!

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    Todd
    January 21, 2018
    I am looking for the wire harness that connects the diagram number 308 float switch assembly part number wd21x10519. It also connects to diagram number 321 sensor part part number Wd21x22598. What is this harness part number and do you have this part? The electric connection to the float switch is bad.
    For model number GDF520PGD2WW
    Hello Todd, Thanks for your question. The wire harness appears to be only offered via the drain pump kit, part number PS10054657, rather than being sold separately. I hope this helps.

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      Customer Repair Stories
       Average Repair Rating: 2.8 / 5.0, 1 reviews. What's this?
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        Sorry, we couldn't find any existing installation instruction that matched.
        The GE Cafe series Dishwasher not drying dishes.
        I pulled the dish washer out and, make sure you turn off the power, disconnect the water and drain line. un screw the mounting screws.
        The first thing i checked was the drain filter which was clogged. I took shop vac and sucked all the excess water out and removed the flood switch. seemed ok but you can't tell if its ok, so just replace it. I then removed the door from the unit. I needed to replace the dispenser. After the door was off I tilted the machine forward, to check the heater. I pulled the quick connects off and checked the resistance across the heater, should be 16 ohms mine was 16.3 so heater not bad. looking at the bottom of the machine, follow the left hand wire and it will attach to a thermal overload. (a small round disc which is not listed in the parts manuals ), I checked for continuity across the switch it was open.
        On this model GE the switch is resettable, a small reset button in the middle of the overload. I reset it and continuity was restored. only three things might cause this to kick. one the flood switch, the vent fan or the turbidity sensor. I replaced all three and the machine is working great.
        If you have replaced your heater and still doesn't heat, try resetting that switch. and give GE a big thank you for not telling any one about the switch.
        A big thank you to PartSelect for having all the correct replacement parts.
        Other Parts Used:
        DETERGENT MODULE VENT FAN Assembly Flood Switch
        • Gary D. from ALBUQUERQUE, NM
        • Difficulty Level:
          A Bit Difficult
        • Total Repair Time:
          30 - 60 mins
        • Tools:
          Nutdriver, Pliers, Wrench (Adjustable)
        10 of 11 people found this instruction helpful.
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          Model Cross Reference
          This part works with the following models:
          PartSelect Number: PS7783361
          Manufacturer Part Number: WD21X10494
          Brand
          Model Number
          Description
          General Electric
          ADT521PGF0BS
          Dishwasher
          General Electric
          ADT521PGF0WS
          Dishwasher
          General Electric
          ADT521PGF2BS
          Dishwasher
          General Electric
          ADT521PGF2WS
          Dishwasher
          General Electric
          CDT725SSF0SS
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          General Electric
          CDT725SSF2SS
          Dishwasher - DISHWASHER
          General Electric
          CDT725SSF4SS
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          General Electric
          CDT725SSF6SS
          Dishwasher - DISHWASHER
          General Electric
          CDT725SSF7SS
          Dishwasher - DISHWASHER
          General Electric
          CDT765SSF0SS
          Dishwasher - DISHWASHER
          General Electric
          CDT765SSF1SS
          Dishwasher - DISHWASHER
          General Electric
          CDT765SSF7SS
          Dishwasher - DISHWASHER
          General Electric
          DDT575SGF0BB
          Dishwasher
          General Electric
          DDT575SGF0WW
          Dishwasher
          General Electric
          DDT575SGF2BB
          Dishwasher - DISHWASHER
          General Electric
          DDT575SGF2WW
          Dishwasher - DISHWASHER
          General Electric
          DDT575SMF0ES
          Dishwasher
          General Electric
          DDT575SMF2ES
          Dishwasher - DISHWASHER
          General Electric
          DDT575SSF0SS
          Dishwasher
          General Electric
          DDT575SSF2SS
          Dishwasher - DISHWASHER
          General Electric
          GDF520PGD0BB
          Dishwasher
          General Electric
          GDF520PGD0CC
          Dishwasher
          General Electric
          GDF520PGD0WW
          Dishwasher
          General Electric
          GDF520PGD1BB
          Dishwasher
          General Electric
          GDF520PGD1CC
          Dishwasher
          General Electric
          GDF520PGD1WW
          Dishwasher
          General Electric
          GDF520PGD2BB
          Dishwasher
          General Electric
          GDF520PGD2CC
          Dishwasher
          General Electric
          GDF520PGD2WW
          Dishwasher
          General Electric
          GDF520PSD0SS
          Dishwasher

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