Question about Maytag 24 in. MDB3700 Built-in Dishwasher

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Maytag model 920 d/w will not drain

My 3-4 year old Maytag 920 will not drain.removed debris from around screen-no help.cleared drain hose at sink trap-no help.blew out loose debris from around screen-no help.if suction out water-will run until full and float switch kicks in.from that point timer rotates and you hear cycling-at rinse cycles it clicks on and then stops due to tripped float switch.d/w full of dirty water.removed spinner and top part of screen-no help.if remove impellor can i clean out or must i go underneath to find blockage ?

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Cannot hear anything at that point

Posted on Feb 19, 2008

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Can you hear the drain pump trying to pump? or does it do nothing? when it should be draining

Posted on Feb 19, 2008

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Maytag dishwasher won't drain


Drainage problem of some sort is usually the cause. Could be blockage before your drain pump, in your drain pump, or in your drain hose. One possibility is that you just installed a garbage disposal and forgot to remove the "knock-out" plug for the dishwasher drain line. Another cause can be that you have not looped your dishwasher drainline under your sink and water from your sink is flowing back into you dishwasher. You must attach your dishwasher drain line under your sink so it is higher then your sink drain lines, creating a trap for your dishwasher. Your drain sump could be plugged, not letting the water get to your drain pump easily. This is caused by not getting loose or hard debris off your dishes before putting them in the unit. Also make sure your drain pump is getting the right voltage when it is supposed to.God bless youfa618d8b-d0fd-412a-b0d5-a88d44bf89d3.giffb1320dc-7bec-4cb0-98ed-c24cf54e5e3b.jpg

Apr 02, 2013 | Dishwashers

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A maytag mjd 2000 aaw dishwasher doesn't heat the water and also leaves about 1/2 inch of water in the bottom, at the end of the cycle. Disshes are celaned though.


Hi and welcome to FixYa, I am Kelly

Hi and welcome to FixYa, I am Kelly

Most of the time when you start having dirty dishes post wash there is either an internal blocked screen under the lower wash arm tower or a problem with the drain. The drain problem shows up mostly inside the Air-Gap cap or at the garbage disposal / sink port connection. Pull the cap / cover off of the Air-Gap and then NOTE the installed position of the inner cap. Unscrew the cap nut and lift the cap off of the Air-Gap assembly. Food particles block the drain inside the cap. You should see a blockage as soon as you lift the cap or the particulate falls away as you lift the cap. Look into the Air-Gap with a flash light and clear any debris. Re-install all Air-Gap parts after cleaning. Make sure to pull the hose off of the garbage disposal port and clean the port.


Add water via cycle fill and then test the drain cycle. The dishwasher should be empty in less than 90 seconds. After 90 seconds interrupt the drain cycle. There should NOT be standing water in the dishwasher sump. If you have standing water in the sump after 90 seconds you will have to remove the lower wash arm and tower to clean the screen or drain holes in the tower. (depending on modeL) Another thing to pay attention to is exactly HOW the lower wash arm is installed on the tower. Some of the 2 part lower wash arms can be a nightmare to re-assemble.
When in doubt take pictures first.... (Lesson learned the hard way too many times when a 30 minute job goes in to the 2nd hour on my time!) Just make sure you do NOT remove any motor pump mounting hardware where it mates to the tub base. Even loosening a motor pump bolt or screw can cause a leak after your done.

While the lower wash arm is removed make sure that you inspect and clean the inside of the wash arm. Often food particles can block the water spray holes in the wash arm.

IF you have a direct / no Air-Gap sink connection then pull off the hose at the sink connection and clear the connection hole of any debris.
I really think that your have a drain problem vs a motor pump issue. It is possible that there is an impeller issue but at this point I doubt it.

Should you have to gain access to the internal screen of the dishwasher you will need to view this link:
http://www.appliancepartspros.com/partsearch/model.aspx?model_id=28553&diagram_id=28395680#d28395680
Items I, 2, 3, 4, and 5 of the link will need to be removed then inspect the screen for signs of debris build up. Again.. lets hope it does not get to the parts removal point. IF you do have to tear into the sump it is best to go down to the chopper place (Item 20 of link) and make sure the holes are not clogged. What ever happens unless your going to replace the impeller do not remove it or any seals. If you do you have a 50 - 50 chance of having a leak straight into the motor. Once removed it is best to replace both of the stem seals (Items 23 and 24).

One last thing to look for is clogged upper spray arm water holes. Just inspect for signs of blockage. Only remove it if you note food particulate in the holes.

I am speaking from many many years of in home appliance repair experience. The steps above should stop the dirty post wash dishes. If you still have the same issues after checking the above, please respond and I will help you.
Thanks for choosing FixYa,
Kelly

Jan 09, 2011 | Maytag Dishwashers

2 Answers

Dirty dishes on Maytag 24 inch dishwasher, model no MDBH940AWS, Dishes have caked on gunk on the glasses after washing. The gunk is usually at the bottom of a glass (which is in the dishwasher upside...


This dishwasher has a circular filter path under the bottom plate - 6 screws - that can become filled inside with debris - you can remove it and wash it out with a garden hose.. Paul

Nov 20, 2010 | Maytag 24 in. MDBH940AWS Built-in...

2 Answers

Maytag MDB5100AWB Dishwasher not draining


More than likely the filter is clogged,remove the spray arm(there is a threaded cap in the center of the arm twist it to the left,then remove the # 15 or 20 torx(star shaped) screws out of the filter cover(around the edges)The filter is round and runs around the outer edge of the pump housing it lifts right out,clean it and reverse the process.It's the most common issue with not draining on this model.

Sep 26, 2009 | Maytag MDB5100A Dishwasher

1 Answer

I have an old Maytag dishwasher, which came with the home we purchased 20 years ago. i am wondering how water efficient it is; it still works, but I also frequently find it with dirty water which has...


It is as efficient as any dishwasher made today. It is also mechanically better than most made today. Keep it running as long as you can.
Under the sink find the dishwasher drain line,using a piece of wire or string tie the DW hose up under the sink so that there is a rise in the hose from the disposal drain outlet.This way drain water will not go back down the hose.

Aug 24, 2009 | Dishwashers

2 Answers

Maytag dishwasher that won't drain when finished


HI, usually, if the dishwasher dose not drain properly, it will be the fault of a defective or, malfunctioning pump. i will list several problem areas to check. Inspect each area properly and, replace any component that is faulty or fouled.


1. Air gap / Drain hoses
If there is an air gap (located in the sink, near the faucet), check to see if it is clogged. Unscrew the top cap and see if there is anything blocking inside. Note: If there is no air gap installed, the dishwasher might not drain properly.

If the drain hose is clogged, the dishwasher would not drain. If there is an air gap installed, it is very common that a hose going from the air gap into the garbage disposer is clogged. Remove and clean the hose. Make sure to reattach the hose before starting the dishwasher.

Note: If you recently had a garbage disposer installed, it is common to overlook removing the drain plug.

2. Broken belt
Some dishwasher models use a belt to drive the pump. Replace the belt if found broken.

Note: Sometimes the belt would just come off the pump. Even though it might not be broken, it is recommended that you replace the belt, because it is probably too stretched out.

3. Pump
Some models have two impellers inside the pump - one, wash impeller, takes care of the wash cycles, the other, drain impeller, drains the water out. If the drain impeller is broken (broken blades, shaft), the dishwasher would not drain. Replace any broken pump components.

4. Drain solenoid
Some models (for example most GE dishwashers) use a drain solenoid to drain water out. Sometimes the solenoid gets stuck, preventing the water from draining out. Try to free up the solenoid. If unsuccessful, you might have to replace the pump assembly.

5. Motor
If the motor is stuck, it is sometimes possible to free it up by manually spinning the motor.

Replace the motor if defective.

6. Timer
Replace if defective (note: uncommon problem).

Jun 22, 2009 | Maytag MDB6000 Dishwasher

1 Answer

Water will not drain out of dishwasher


I would remove the drainhose from sink and try draining in to a pale.if it does not then you will need to remove drain hose and clean out.Also you may need to clean out all screens in pump just remove with torx screwdriver easy when you get into it

Mar 12, 2009 | Maytag MDB9600A Jetclean II Built-in...

1 Answer

Electronics problem with Maytag Dishwasher


the outlet pump may have become clogged, try removing and cleaning it.

Mar 26, 2008 | Maytag 24 in. MDB9150A Built-in Dishwasher

2 Answers

Maytag WU203 drain hose


you could go to lowes and buy an air gap to install on your sink run hose from washer comes up to air gap then down to drain if you clever could install under sink just get it high up as you can then down to drain

Dec 31, 2007 | Dishwashers

1 Answer

Maytag dwc7400abw


you have a blockage somewhere probably. if the drain hose plumbed in under the sink, check there is no blockage in this area. also check the drain hose for blockages. if all clear, the fault is probably the drain pump itself

May 05, 2007 | Maytag 24 in. DWC7602 Free-standing...

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