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Dishwasher inlet valve question. I disassembled down to the plunger that is electrically operated. Is there a way to verify if it functions correctly? Can a voltage be taken?

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Hello mphitmail_te,
The electrically operated inlet valve is simply a solenoid ( coil ) that when electricity is passed through that coil will generate a magnetic field to retract or release the actuator ( in this case, to block or allow water to flow through the valve body). Since you did not spoecify the make and model of your dishwasher, I can only make assumptions that your inlet valve is AC operated off of the main AC coming in. You should be able to disconnect that valve from its wiring ( remove or disable power first) and measure resistance across the two wire leads or taps. For the coil to operate with AC voltage into it, there would be internal diodes to only allow current to flow in one direction. In essence, converting AC to DC inside it. If you have it apart and can measure coil resistance, it should not be infinite ( open ) and it may be as low as 10 ohms or as high as 500 ohms.. but it should not be an open. Remember to measure with an ohm meter and swap the leads ( red and black) to the opposite terminals on that solenoid to ensure you have taken the measurements correctly. If the plunger is free to move within the housing and you are actually getting a command signal ( AC or DC ) to the taps on that solenoid, you may have a bad solenoid. Not sure this wil help you but it should give you ideas on hgow to check. It is a good idea to include the make and model of your appliance in your posts. That way, we can tailor the answer to your specific product.
Good Luck my friend,
Rick

Posted on Jan 26, 2009

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  • Master
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110v at the valve, when unit is filling

Posted on Jan 26, 2009

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6ya6ya
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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

Hi,
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Goodluck!

Posted on Jan 02, 2017

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1 Answer

AEG OKO FAVORIT 40300 When switching dishwasher on no water is flowing into the the dishwasher?


It should first be checked for correct water inlet hose with safety valve. After connecting the double-walled water inlet hose, the safety valve is next to the tap. Therefore the water inlet hose is only under pressure while the water is running. If the water inlet hose starts to leak during this operation, the safety valve cuts off the running water and the draining pump in the dishwasher is switched on. If the inlet hose with safety valve working correctly than could be some of following faulties.

  • The door of the dishwasher is not closed properly.
  • Mains plug is not plugged in.
  • House fuse in defective.
  • In the case of dishwasher models with start delay
    timer: A start delay is selected.
If you look at the lower electrical diagram then you can see that all electrical components are located in a circuit inlet valve which can be also faulty.

  • ON/OFF Switch
  • Door switch
  • Program controller (Timer)
  • Pressure switch
  • Inlet valve
  • Float switch
  • Wiring between all this components

Dado
25866319-uhof12xdp2cjm4y1mihcgk0l-5-0.jpg

Sep 15, 2015 | AEG Dishwashers

1 Answer

Maytag performa dishwasher, model # PDBL390AWB.


Sounds like to me you have a water restriction somewhere. Double check and make sure that the main water valve coming into your home is fully open. Make sure the water shut off valve(s) going to the dishwasher both have adequate water flow and that means testing them before being connected to dish washer. If that checks out okay, possibly the plunger that opens and closes in the electric water solenoid is sticking and not opening up al the way since the unit has been in storage for all that time. Sometimes tapping on it when it is in operation can free up that sticking plunger and you may get full water flow restored again. If not, solenoid may have to be replaced. Hope this helps out.

Mar 09, 2014 | Dishwashers

1 Answer

Does not fill with water.


follow this steps and fix it. God bless you

Water Inlet Valve

The dishwasher has an electrical water valve called a water inlet valve. If the dishwasher won't fill with water, the water inlet valve might be defective. These valves are not repairable and will have to be replaced.


Enter your model number to see parts for your dishwasher.
Help me find my model number


Float

The float assembly is normally inside the dishwasher near the door on the floor of the dishwasher. If something gets stuck underneath it and holds the float assembly up, the dishwasher won't fill with water. If the float assembly moves freely up and down, the float switch might be defective.


Enter your model number to see parts for your dishwasher.
Help me find my model number


Float Switch

The float switch is actuated by the float assembly. It is a protection device designed to prevent the dishwasher from overfilling. If the dishwasher won't fill with water, it may be because this float switch is defective or stuck.


Enter your model number to see parts for your dishwasher.
Help me find my model number


Water Supply Problem

The dishwasher is connected to the hot water supply from the house. Check to be sure the household water supply valve is turned on. Over time, calcium deposits can build up in the water supply valve or in the small filter screen inside the water inlet valve. The water supply line may need to be removed from the water inlet valve of the dishwasher, then run some water into a bucket to see if there is enough pressure. Be certain to turn off the water before working on the water line.

Jul 08, 2013 | Thermador 24 in. DWHD64CS Stainless Steel...

1 Answer

Dishes not coming clean


Check water inlet valve

A dishwasher's water inlet valve is its most common part to fail. When your dishes are not being fully cleaned, quite often a faulty water inlet valve is to blame. Test your dishwasher's water inlet valve, and if it is no longer functioning as it should, you will have to replace it.


How to test a dishwasher water inlet valve.
How to replace a dishwasher water inlet valve.

May 26, 2011 | Maytag Dishwashers

2 Answers

Dishwasher will not fill with water. What could be the problem?


Dishwasher will not fill with water .
  • Check that the water supply is turned on. The valve may be located under the sink.
  • Check the door latch
  • Test the door switch
  • Inspect the float assembly
  • Inspect the fill tube for kinks
  • Test the float switch
  • Check the inlet valve filter screens
  • Test the water inlet valve
  • Test the drain valve lever arm
  • Check the drain valve
For trouble shooting click this link:--- http://www.partselect.com/dishwasher+dishwasher-wont-fill+repair.htm ----------- Thank you.

Jan 24, 2011 | Maytag 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

2 Answers

Water is on and reaches the hose but does not go into the dishwasher.


Check the beginning of the hose for debris. If not that, take the front bottom panel off and remove the IN hose from the pump. There is either a stuck plunger or a clogged screen.

May 13, 2010 | Bosch Dishwashers

1 Answer

Tablet not dissolving, dishes not clean


Hi Trina. I wish I was nearby as I would come over and take care of this problem for you.

There are two possible reasons for the situation as you describe it: 1. Water-inlet valve The water-inlet valve lets water enter the machine. If this valve is defective, you need to completely replace it. It's usually located behind the lower access panel on the left or right side. It's the device with the main water line (usually copper) from the house, a rubber tube to the dishwasher, and two wires attached to it.
2. Float switch The float switch is a small electrical switch that's located right below the dishwasher "floor." Above the switch, on the inside of the dishwasher, is a plastic cylinder that floats up as water fills the dishwasher. If this switch is defective, or if the plastic float gets caught or trapped in the raised position, the water can't enter the dishwasher. If the float switch is defective, you need to replace it.

If you are mechanically inclined you can repair either of these but if you are not you will have to hire it done. Now that you know it is one of two problems you can tell the repairman ahead of time and get a price on the repair. Then shop around for the best price.

May 08, 2009 | KitchenAid 24 in. KUDI01FLSS Stainless...

1 Answer

Dishwasher doesn't have any water


well of yo have cleaned the screen, andyorgting powerto the valve andstill no water to the unit, soundsas if the valve needs to be replaced

Jan 26, 2009 | Dishwashers

1 Answer

When I start the cycle the water will not enterr the dishwasher. Is there a sensor somewhere that needs to be cleaned / repaired.


Just like a washing machine..your dishwasher uses an electrically operated valve ( inlet valve) to allow water to flow into it.. If that doesn't get switched on by the control system or is either clogged or defective.. you will not get water inside the dishwasher.. Normally, the dishwasher will not allow water into it if the door interlock is not made ( meaning the door is closed properly.. but you could have a bad interlock switch).. Hope thes ideas help you get it going.. ( I assume you have checked that youhave water pressure to the dishwasher before you posted your question)..if not.. verify you have water pressure coming into the DW... Hope this helps..

Aug 28, 2008 | Dishwashers

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