Question about Jenn-Air 24 in. JDB1080AWS Built-in Dishwasher

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Dishwasher fills tub continuously until float turns it off whether in cyle, during drying or after cyle complete. That means during drying when the dishwasher is trying to dry the dishes the tub fills up preventing drying. This is a new dishwasher that I've never used. I allways noticed the tub was full of water, but thought that was just to keep the seals moist so they don't rot. I've been in my house 5 years and only hand washed my dishes because it was more convienient. Now that there are more people in my life I want to use it. Is there something wrong with the curcuit board? It's like the fill switch works separately or own its on accord, is this right?

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  • thom ayotte May 12, 2007

    Reseting the harness did not work. Replaced the CPU for $80.00; works flawlessly now.

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Ayacht, the fill is a timed fill controlled by the control board (part number 99003158). The float is a safety device designed to cut power to the valve in the event of a failure. The fact that the float is doing it's job and stopping the fill tends to lead me to believe that it is not the valve but the board giving you the problem. You can drop the bottom panel and check voltage at the valve to be sure. Because it's been sitting for so long you might want to reseat the harnesses on the control board to see if that corrects the problem. Catriver..post back.

Posted on Aug 14, 2006

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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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Flashing but nothing happening


A-- If you hear the water filling for 3 minutes before the lights flash, 2 things could be happening:
a.1) water never reached the proper fill/run level so the computer prevents the heater from starting and alerts the user. There should be a code list in the troubleshooting section of the user manual describing the blinking lights and what they mean.
Solution- verify by sound if water flows at the same rate as the sink tap, if not then shut off the water and check the inside the connection hose for debris against the screen inside the hose end or insid ethe machine end where there is a intake valve. The debris keeps sediment out so it works but there's no auto cleaner for the screen.
a.2) Otherwise the heater itself is faulty meaning it does not conduct an electrical path or maybe overheating (could be dry) and the computer senses the wrong temperature either too high or too low.
Solution- A service call to determine the reason why; heater continuity, water valve, heater relay, hi-temp fuse, etc.

B-- Now, if you do NOT hear water filling for those first 3 minutes, 3 things could be happening;
b.1) House water supply is turned off.
b.2) hose is clogged (see solution a.1 above)
b.3) Drain pump inside dishwasher was clogged during the last run and old water didn't drain out (maybe some water is evident in the tub bottom).
Solution- Most dishwashers start each wash cycle with 30 second drain pump running to make sure the tub is completely emptied so the next fill cycle can't overfill. This ensures that if the user finds a 3 liter pot that flipped over during the last wash and if they dump that full pot of water into the unit to make it lighter, that the water will get drained before the new water enters the tub.
If the drain pump is clogged reset the power and restart the wash cycle. Note how much water is in the tub and see if it goes down any during those 30 seconds by opening the door afterwards. Find the clog either a bone or plastic bag or some small pice of a childs toy is stuck in the drain pump or the other end is clogged maybe by grease or bones if you have a sink disposal unit. The things they grind up drop into the drain 1" inch above the hole for the dishwasher drain tube.
NOTE: There is also an overfill [float] switch if the water inlet valve gets stuck open and the water keeps filling, the drain pump is switched on until someone comes and shuts off the water supply. When the tub drains the float drops and the drainpump stops. This will also make lights blink so check the user manual for codes or call the factory service reps [1-877-337-3639].
Either way, there should be instructions to reset the machine for restart. If it doesn't reset you need someone to fix the control that tripped the unit, maybe a safety fuse or a broken piece of the puzzle.

Aug 17, 2013 | Haier DW12-PFE2 24 in. Dishwasher

1 Answer

How can you tell if the dishwater is getting sufficient water to clean? My soap dispensers are really a mess, lots of dried on soap, and my silverware that are underneath the dispenser often have soap...


Hi

If the water inlet valve is fine and it fills with water then the issue seems to be with the float switch assembly that is bad and should be replaced. Float assembly is found inside the dishwasher's tub, on the bottom. The water that fills the dishwasher lifts the float, and when it reaches a certain level, it acts as a trigger for the float switch. The float triggers the float switch to shut off, thereby shutting off the flow of water into the dishwasher. A defective switch may interfere with dishwasher's filling and/or draining ability. Use voltmeter to test the switch. Set the device to the ohms setting x 1. Take each probe and touch them to one switch terminal each. This should produce a reading of either zero or infinity. Continue to touch the probes to the terminals, and press down on the switch's button. The reading should change to the opposite extreme. If the switch fails either of these tests, you should replace it. Hope this helps...please post back for further assistance.

Daniel

Aug 26, 2011 | Whirlpool GU2400XTPS Built-in Dishwasher

1 Answer

I have kenwood dishwasher kdw12ss/b the dishes are not clean and during cycle it keeps beeping


Hi

If the water inlet valve is fine and it fills with water then the issue seems to be with the float switch assembly that is bad and should be replaced. Float assembly is found inside the dishwasher's tub, on the bottom. The water that fills the dishwasher lifts the float, and when it reaches a certain level, it acts as a trigger for the float switch. The float triggers the float switch to shut off, thereby shutting off the flow of water into the dishwasher. A defective switch may interfere with dishwasher's filling and/or draining ability. Use voltmeter to test the switch. Set the device to the ohms setting x 1. Take each probe and touch them to one switch terminal each. This should produce a reading of either zero or infinity. Continue to touch the probes to the terminals, and press down on the switch's button. The reading should change to the opposite extreme. If the switch fails either of these tests, you should replace it. Hope this helps...please post back for further assistance.

Daniel

Aug 24, 2011 | Dishwashers

1 Answer

We have a 1996 built in Magic Chef dishwasher which is now not completely cleaning the dishes. There is always some residue left on most dishes, glasses, silverware. I rinse everything before putting them...


Hi

If the water inlet valve is fine and it fills with water then the issue seems to be with the float switch assembly that is bad and should be replaced. Float assembly is found inside the dishwasher's tub, on the bottom. The water that fills the dishwasher lifts the float, and when it reaches a certain level, it acts as a trigger for the float switch. The float triggers the float switch to shut off, thereby shutting off the flow of water into the dishwasher. A defective switch may interfere with dishwasher's filling and/or draining ability. Use voltmeter to test the switch. Set the device to the ohms setting x 1. Take each probe and touch them to one switch terminal each. This should produce a reading of either zero or infinity. Continue to touch the probes to the terminals, and press down on the switch's button. The reading should change to the opposite extreme. If the switch fails either of these tests, you should replace it. Hope this helps...please post back for further assistance.

Daniel

Jun 28, 2011 | Magic Chef Dishwashers

1 Answer

When we turn on the dishwasher there is no water entering the appliance..then it cycles to drain the water and I reset it so the pump doesnt burnout...what could this possibly be and is there some...


hi Mapletonmob.
this is all i could find out.

A dishwasher that will not fill with water can be frustrating and repairing it through a serviceman can be expensive. Even for someone who may not consider themselves handy, repairing a dishwasher is not a difficult process. Below we've provided you with a list of the most common parts that fix a dishwasher will not fill with water. Use this information to help troubleshoot which part is broken
The water inlet valve is used to fill the dishwasher with the proper amount of hot water and is controlled by the timer or electronic control. The valve will be located behind the lower access panel and will have two wires attached to it, an outlet hose to the tub and a hot water inlet from the household supply. If your dishwasher does not fill then you should first check the inlet supply to verify that you have enough water pressure and that you have power going to the valve during the fill portion of the cycle. If these conditions are met then the valve is defective and should be replaced. If you do not have power to the valve then you should look at the float switch, the timer or electronic control or the door switches as a possible problem. All of the electrical checks can be made with a multi-meter.
A malfunctioning float could cause the dishwasher to not fill with water. The float is located at the bottom of the dishwasher tub and acts as a safety device that prevents the dishwasher from over filling with water. The float rises with the water level in the dishwasher and when the proper level is reached, the float will trigger the float switch to turn off the water inlet valve. Check that there is no debris or foreign objects that might restrict the vertical movement of the float and that it engages the float switch located beneath the tub.
The float switch sits below the float, beneath the dishwasher tub. When the float switch is triggered by the float, power to the water inlet valve is interrupted and it stops the flow of water into the dishwasher. Verify that the mechanical action of the float to the switch is operating properly and that the wire connections are secure. To check that the float switch is working properly, remove the wires and test for continuity with a multi-meter.
The door switch is a simple on/off mechanism that prohibits the dishwasher from operating when the door is open. If the door switch or switches are malfunctioning the dishwasher will not fill with water. This door switch mechanism is typically located behind the door panel at the top of the door. To verify the operation of the switches you will need to separate the inner door from the outer door and then remove the wires from the switches and check for continuity with a multi-meter.
We've identified the most common parts that can cause the dishwasher to not fill with water, but there are other parts that could be at fault. If you are unable to fix your dishwasher with the information above,
if none of the above work you might have to call someone out to have a look at it.

Nov 29, 2017 | Maytag Dishwasher

1 Answer

No water entering dishwasher. seems to cycle but with now water.


open the dishwasher in the tub on your left bottom you will see a large plastic bubble lift the bubble (float) up and, down vertically, listen for a "click" the float sits above the water fill switch: the float's weight causes a pin on the float to press down on the switch to let water in the float sometimes can get stuck in the up position by debris and, prevent the fill switch from letting in water. When the float is lifted by the water in the tub to a predetermined height the pin comes off the fill switch lever and, turns off the water so that the dishwasher tub does not overflow. check this please.

May 18, 2010 | Kenmore 24 in. 15142 Built-in Dishwasher

2 Answers

Dishwasher is not completing the cycle, and water remains in the tub. I've cleaned the filter and that doesn't seem to solve the problem.


check you float switch at the back to see if it is sticking ,and it should always have at least an inch of water in it to keep the motor seal wet or it will dry up and leak creating another problem

Dec 25, 2009 | Dishwashers

1 Answer

Water doesn't fill after 50-60 secs of valve


Float valve is not used in normal cycle, it is a failsafe method. Energy conservation issues dictated less water during washing.

Oct 31, 2009 | GE 24 in. GSD5500G - Multiple Color...

2 Answers

GU1500XTLS3 Periodically won't start. Dishwasher has power because pressing cancel causes dishwasher to start draining (even though there is no water). Door switch works because opening door prevents...


in the front left bottom of the tub is a float switch; it sometimes is under a cover with a screw securing it it looks like a big round ball shaped piece of plastic and on the bottom of this float there's a pin going down a hole in the tub (the float pin sits on the switch and, water lifting up and down on the float moves the switch: listen for a distinct "click" as you move the float up and, down
you see; the float rises as the water fills the dishwasher tub closing the float switch and, signaling the washer to start cleaning the dishes
some times dirt prevents movement of the float but,waiting usually displaces the dirt/soap etc. just enough to make it work again until the float pin gets encrusted again the cure is to clean the float pin

Aug 31, 2009 | Dishwashers

1 Answer

Our Bosch SHU43C Built-in Dishwasher sticks in the drying cycle.


I have the same dishwasher and started experiencing the same problem last week. It is now fixed (at least for the moment). Here's what I did first. I checked the drain pan under the machine for water(none), the heater for continuity(okay), the float for binding(none), and the float switch for proper functioning(okay). I tried turning the ckt breaker off for a couple of hours to see if that would reset the control module(no effect). I then dissasembled the front door and removed the control module. I had previously read about the common problem of a cold solder joint on the heater relay pin on the control board. My heater was working and the joint looked good but I resoldered it anyway. I reassembled everything and it worked perfectly! My conclusion is that it was either a cold solder joint that was somehow causing the problem or a connector issue that got resolved during my disassembly/reassembly. Hope this helps.

Dec 21, 2008 | Bosch 24 in. SHU43 Built-in Dishwasher

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