Question about Maytag 24 in. MDB9750AW Dishwasher

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Maytag quiet series 300 waterbar hits bottom rack

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6 Suggested Answers

6ya6ya
  • 2 Answers

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

  • 28 Answers

SOURCE: broken maytag door latch assembly

unscrew from bottom

Posted on Nov 17, 2008

  • 37 Answers

SOURCE: Maytag Quiet Series 300 smells broken door latch and lower rack

I have had the same problem and there is a simple fix.

The problem in my case was the floating water sensor was stuck and gummed up with grease.

On the bottom of the dishwasher, in the front right corner there is a round doughnut-looking thing. This is the water level sensor. It is open on the bottom, and grease collects there.

When this happens, the air pocket is too small, and the float won't float. then the dishwasher overflows. To clean it: just reach under with your finger, and scoop out the grease.

Sometimes, after doing this, the float then gets stuck in the "up" position. When this happens, the dishwasher completely drains, and the heater element for the dishwasher is exposed, and food cooks onto it, and that is where the smell is coming from.

Posted on Oct 20, 2009

  • 2 Answers

SOURCE: 1.5 year old Maytag Legacy Series Quiet Series 300 Lock Light on

Hold down the heated-dry button for 3 seconds and the light will clear.

Posted on Dec 19, 2009

  • 2 Answers

SOURCE: Maytag dishwasher legacy 300 quiet series

I was so impressed with the advice on this website, I thought I would take a stab at this. The difference is, I will include all the steps, so if I go into a little too much detail for you, I'm sorry, but I felt a few things got left out that needed to be said.

Tools Needed: screwdriver with t-15, and t-20 torx bits (available at any hardware store), and a pair of pliers. Also I used a headlamp so I did'nt have to hold a flashlight with my teeth.

step#1- Clear a spot on your counter or kitchen table and remove both the lower and upper racks from your dishwasher. The lower rack just lifts out, the upper you will find two light blue plastic caps that once removed will allow you to slide the rack off of the metal slides. Next, the long L shaped spray bar that goes up the back and across the top needs to be un-clipped and removed, 2 clips at top and 2 clips at the back. It might take a little wiggling but that spray bar slides into the top cover, once unclipped push back at the bottom and tilt the upper part toward you, it should come out fairly easily and give you wide open access to the cover. Next you want to remove the plastic nut that holds the spinner in place, using your pliers turn it counter clockwise, it should loosen fairly easily, and remove nut and spinner. Next with either a T-20 or T-25 torx bit, remove the 3 screws that hold the outer cover in place, notice the direction of the tube that plugs into the spray bar, make sure it goes back in the same way. Now remove the T-15 screw that holds the black grinder cover in place and remove screw and cover. Now remove the 6 screws that hold the inner cover in place and remove the cover. You can now see what all the fuss was about, mine included a piece of pistachio shell, a bay leaf, and a cherry pit. Once it's all cleaned out, just reverse these steps and be ready! You have just earned your place as your homes resident handyman or woman!

Posted on Jun 14, 2010

SOURCE: Maytag quiet series 300 dishwasher leaves glasses

If your dishes or glassware appear filmy or spotted following a complete wash cycle, adjusting the amount or type of detergent you’re using and adjusting your hot water heater’s water temperature may solve the problem. But before you do either of these, put a rinse additive (such as Jet-Dry) in the rinse dispenser to improve the sheeting action of the water.

Next, you’ll have to determine whether the film is removable or permanently etched. To do this, soak a glass in undiluted white vinegar for about 15 minutes. Or, wash the glass with warm water and concentrated dishwasher detergent or a high-phosphate detergent (such as Glass Magic).

If the film comes off, it is probably caused by hard water minerals, improper amounts of detergent, or unsuitable water temperature.

Permanent etching is often caused by a combination of soft water and excessive heat or detergent. If glassware is permanently etched, there isn’t anything you can do to make it clear again. But you can avoid future etching by taking these steps:

1) Be sure hot water entering the dishwasher is no hotter than 140 degrees F. Don’t use extra-hot settings such as “Power Scrub,” and use the “Energy Saver” dry cycle.

2) Adjust the detergent amount.

3) Don’t pre-rinse your dishes before loading them in the dishwasher. Food particles on the dishes actually help the detergent and drying agents clean better.

A common cause of poor washing results is improper loading—dishes that block or impede the spray arm(s) or prevent the soap dispenser from opening. On the other hand, if your dishwasher has chronic problems with good washing, the problem may not be your dishwasher. A good first step is vary the amount of dishwasher detergent you're using and try switching brands.

Other possibilities: Your home’s water pressure may be too low, your water may be too hard, or the water temperature may not be hot enough.

In order for your dishwasher to fill to the appropriate level, water pressure should be from 20–120 pounds per square inch. If you suspect that your water pressure may be low, turn off all faucets or other users of water (such as washing machines and sprinklers) and then put a half-gallon jug under the kitchen faucet. Turn on the hot water full-blast. If the jug doesn’t fill within 14 seconds, your water pressure may be too low for proper dishwasher operation. Call your city water utility to discuss your options, or avoid drawing water elsewhere in the house or yard during dishwasher cycles.

The right amount of detergent to use depends on how large your load of dishes is and how hard your water is. Hardness is measured in grains of minerals—the more grains per gallon you have, the more detergent you’ll need. If your water has 12 grains or more of hardness, fill both dishwasher soap cups completely with detergent. If that doesn’t work, consider installing a water softener. (For more information, see the article Water Softener Systems.

To check water temperature, hold a meat thermometer under the hot water faucet for two minutes; if it doesn’t register a minimum of 140 degrees F., turn up the temperature dial on your hot water heater. (However, if you have a newer dishwasher that heats the water internally, it isn’t necessary to turn up your hot water heater.)

If your dishwasher has worked fine in the past but suddenly your dishes aren’t clean after the dishwasher completes all cycles, listen to the spray arm(s) spinning inside during the wash cycle. If spinning poorly, wait for the machine to cool down, remove the spray arm(s) by unscrewing the hubcap(s), lifting the arm(s) off, and then cleaning out the spray holes in the spray arm(s) with a stiff piece of wire.

Posted on Sep 03, 2010

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Our control panel is fine. For now. (The machine is only 3 months old). This is our problem--and I haven't yet seen this complaint at all over the internt: The lower wash arm is getting stuck on the bottom rack and stopping immediately. This seems to be a design flaw. The bottom rack is just built too low. A service man was out once. He tightened the wash arm. Didn't work. The service department at the dealership is now ignoring our subsequent calls!! So I wonder if the "not cleaning" problem you have is because of this.

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I have a maytag quiet series 300. When it is done with any of the cycles in leaves about 1-2 inches of water in the bottom of the dishwasher. I can manually hit the start button twice and it will go...


Hi jeffwirch,

I'm Harvey the Master Plumber.

Your problem is: You have a maytag quiet series 300. When it is done with any of the cycles in leaves about 1-2 inches of water in the bottom of the dishwasher. You can manually hit the start button twice and it will go through a 2 minute cycle and pump out the water. You have cleaned the filter inside the dishwasher where it drains and have checked the hose to the disposal and it pumps out fine. It just doen't pump itself at the end of the cycle.

It sounds like a bad control board. It's in the top of the door panel. I don't recomend this repair to the average homeowner. You might consider the Repair Directory to find a repairman.

Feel free contact me again!
Please give me a rating here at fixya.com before you sign off
Thank you,
Harvey your Master Plumber

Sep 13, 2008 | Maytag Dishwashers

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