Author Topic: soap dispenser will not open, soap in dispenser, dished dirtier than before  (Read 11217 times)

Offline Rick52768

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Frigidaire PLD2855RFC1 Dishwasher - The soap dispenser door will not complete open up until I open the front dishwasher door after it runs.  But that maybe only an imagined problem as there is always a lot of soap left in or just outside the dispenser.  But my biggest complain is that the dishes are just as dirty and some like glasses are more dirtier than before the dishwasher ran.  I have tried other soaps, liquid, power, ball, cubes all with the same results. Please help :tickedoff:

Offline JWWebster

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Looks like your dispenser relies on one of those wax motor thingys to open that door. They are notorious for failure. I would start there.

Check out the pictures on back side the red part is the wax motor
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Offline whirlpooltech

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I'm not sure on your model dishwasher, but I know if it was a whirlpool there are a couple other things I would check first.

1. Make sure nothing is blocking the soap door keeping it from opening.

I have even seen on some dishwasher were the bottom rack will get removed and then put back in flipped around so the back of the rack is now in front. This can block the door from opening.


2. Make sure your dishwasher is getting enough water.

A lot of soap doors only open part way and then the door leans on the dishwasher rack. The soap door is then used as a shield and when the water hits the soap door it helps direct water into the soap dish to rinse it out.

If your dishwasher does not fill up with enough water then is simply does not get the soap dish rinsed out.

After the dishwasher starts washing open the door and check the water level.
It should be just under the heating element. Almost touching the bottom or touching the bottom of the heating element.


Offline whirlpooltech

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If you are sure them two things are ok then I would go ahead and replace it as JW said. :)

Offline Rick52768

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I am going to see if it could be something as silly as the rack being backwards, stopping the soap door from opening.  I took her apart last night and see the red "wax motor" or solenoids.  I may remove the fancy outside cover and watch the wax motors in action.  The filters had a lot of food and grease in them, which I guess has been caused by the lack of soap being able to do its job.  I ran an rinse cycle to clean out residue and there was still dirty/grease water in the pump area under the glass filter. I thought the soil sensor should run water and the pump until it think the water is clean?

I will try a few more ideas before replacing the dispenser.  What is good to clean the baked on soap in the dispenser cup and its door latch.  I am worried that the opening issue is due to baked on soap.  Thanks

Offline Rick52768

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Did a run with the pots and pan setting and all was good.  Not sure if it will hold and I was not looking to run that cycle unless I have pots and pans in there and I never put them in the dishwasher.  It complains and gives the heating water HO signal even when I use the Normal setting.  I tested the hot water at the sink and I cannot remember the temp, but it was above 120.  I guess that it also heats the water if the temp drops below 120 after it has been in the dishwasher for a little while.

Btw, other than high water temp and maybe another rinse cycle,what is the pots and pans setting as I have not found or done any fixing and it is working fine?

Offline Repair-man

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Do the water volume test...place a glass in the top rack standing up, not in the usual position. Place it in the left front quadrant of the rack, then start a cycle. When the cycle is over, the glass should be at least half full. If not, you have inadequate water going to the dishwasher, most likely needing a new inlet valve.
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Offline jumptrout51

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Or pump impeller.
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Offline Rick52768

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Sorry about post in two places, but I was making sure that a soap related question did not get over looked due to a frigidaire question.

When you say, run a cycle does that mean any cycle even the rinse cycle?  Thanks

Offline Repair-man

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When you say, run a cycle does that mean any cycle even the rinse cycle?  Thanks


Uh, only if you wash your dishes in the Rinse cycle.

To see how effective the wash cycle is, you must run a Normal wash (no extras, like water heat, etc). If you are hinky about wasting a cycle just for this test, go ahead and load her up and do the test, just keep one glass inverted to catch the water.

The manual for these is available HERE
« Last Edit: November 07, 2009, 03:29:42 PM by Repair-man »
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