Maytag 24 in. MDB7600A Jetclean® II Built-in Dishwasher Logo
Posted on Jan 24, 2010
Answered by a Fixya Expert

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Dishwasher does not drain properly

I have a brand new Maytag Dishwasher model number MDBH949AWB - It does not want to drain. I've put a loop in the hose to run it above the disposal unit. I've checked the drain within the dishwasher - it is not clogged. Frankly, I'm not sure what additional steps I should take.

Thank you for any suggestions.

Bob

1 Answer

David

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  • Expert 177 Answers
  • Posted on Jan 25, 2010
 David
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Joined: Jan 18, 2010
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Hi,
most common faults with dishwashers is a drain fault. Check for any kinked hoses and check the drain spigot under the sink where the drain hose connects into the u bend. Usually this is where food gets trapped due to the spigot not being drilled out large enough. This then causes a blockage. In your case it may not have been drilled out at all as plumbers sometimes forget to do this especially as you mentioned the unit was brand new.! Also check the non return valve under the filter and make sure the drain pump can turn freely.
Hope this helps.

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If the dispenser is broken and doesn't open or close properly the dispenser door latch may have to be replaced.


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If the dispenser is broken and doesn't open or close properly the dispenser door pin may have to be replaced.


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If the dispenser is broken and doesn't open or close properly the entire dispenser assembly may have to be replaced.


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There is an electrically powered device called a wax motor which opens the detergent dispenser. If the dispenser is broken and will not open to release the detergent, the wax motor might need to be replaced.


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Bi-Metal

If the dishwasher dispenser doesn't work the bi-metal actuator might be burned out or defective. The bi-metal is a simple metal loop which acts as a latch for the dispenser door. As electricity is applied to the metal loop, the loop deforms and bends away from the latch, releasing it. If the bi-metal is burned out it won't deform or release the detergent door.


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Jul 08, 2013 • Dishwashers
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Maytag dishwasher won't drain

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My new dishwasher wont drain

There's a few things you can look into that won't cost you any money.

First, manually remove as much water as possible and then check the sump area for paper or any other large object clogging the drain. A cup or so of water in the sump area of your dishwasher is normal and it is there to prevent the seals from drying out. The dishwasher will pump this old water out before beginning to wash.

Make sure the door is properly latched as the pump will not drain if the door is not latched properly.

Check the belt, drain line, air gap, drain valve and solenoid assembly, the motor, and the pump. If your dishwasher uses a belt to drive the pump, and it has broken or come off the pulley, replace it.



If you have recently installed a garbage disposer in your home, make sure that the drain plug on the disposer has been removed. It's just a little plastic piece that blocks the hole where you hook the dishwasher drain hose. If your dishwasher drains through the garbage disposer, you need to run the garbage disposer before you run the dishwasher to make sure that the drain is clear.

There is a drain hose between the drain valve or pump and the garbage disposal or drain line. If an obstruction has blocked this, then your dishwasher won't drain. The drain hose is connected by clamps to the drain valve and the disposer or drain pipe. Remove it and visually inspect it for a clog or a kink. Try to remove any debris. If it is in good condition, just put it back on, and if not, purchase a new one to install.

If you don't have an air gap in the drain line, at least use a high drain loop. Making a large loop about 18" off the ground with the drain line can prevent any back flow into the dishwasher from the sink.

If you have one, the air gap will be located on top of the sink. The air gap is there to prevent any siphoning of standing water from the sink. When your dishwasher drains, the air gap diaphragm will form a seal and allow the water to drain properly. If the diaphragm in the air gap is faulty, it’s possible that water can leak onto the cabinet and into the sink area. When this happens, then the air gap must be replaced.

Like the inlet valve, there is also a drain valve on most models. When no power goes to the drain valve it remains closed and prevents water from leaving the machine. When the valve receives power during the drain cycle, the solenoid opens and allows the water to leave the machine. If your drain hose is attached directly to the pump, you don't have a drain valve. The motor simply reverses and the pump sends the water in the opposite direction, which is out of the machine.

If the motor doesn’t turn or work properly, the dishwasher may not drain. Make sure you have power to the unit. If you notice that the motor hums but won't turn, it could be seized, and you probably need to replace it.

if you need to buy any parts, I have had alot of help from http://www.apwagner.com
Small objects can sometimes get stuck in the pump. When this occurs, you’ll need to open the pump and remove any debris buildup. The dishwasher pump is usually mounted directly to the motor and runs off the motor as well. The pump is also attached to the bottom of your dishwasher and pushes the water from the dishwasher.
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When I don't run my dishwasher, somehow water gets inside and gets stagnant.

Check the drain hose where it connects under the sink. The hose must have a high loop that is the hose should be mounted higher than where it connects to the drain. There is a video at www.appliancehelponline.com/servicemaual.html on installing a dishwasher this will show you proper drain hose installation. If your hose does have the proper high loop the drain is probally somewhat clogged and backing into the dishwasher the high loop usually prevents this.
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Portable Dishwasher wont drain GE Model #GSC3508K00WW

There's a few things you can look into that won't cost you any money.

First, manually remove as much water as possible and then check the sump area for paper or any other large object clogging the drain. A cup or so of water in the sump area of your dishwasher is normal and it is there to prevent the seals from drying out. The dishwasher will pump this old water out before beginning to wash.

Make sure the door is properly latched as the pump will not drain if the door is not latched properly.

Check the belt, drain line, air gap, drain valve and solenoid assembly, the motor, and the pump. If your dishwasher uses a belt to drive the pump, and it has broken or come off the pulley, replace it.



If you have recently installed a garbage disposer in your home, make sure that the drain plug on the disposer has been removed. It's just a little plastic piece that blocks the hole where you hook the dishwasher drain hose. If your dishwasher drains through the garbage disposer, you need to run the garbage disposer before you run the dishwasher to make sure that the drain is clear.

There is a drain hose between the drain valve or pump and the garbage disposal or drain line. If an obstruction has blocked this, then your dishwasher won't drain. The drain hose is connected by clamps to the drain valve and the disposer or drain pipe. Remove it and visually inspect it for a clog or a kink. Try to remove any debris. If it is in good condition, just put it back on, and if not, purchase a new one to install.

If you don't have an air gap in the drain line, at least use a high drain loop. Making a large loop about 18" off the ground with the drain line can prevent any back flow into the dishwasher from the sink.

If you have one, the air gap will be located on top of the sink. The air gap is there to prevent any siphoning of standing water from the sink. When your dishwasher drains, the air gap diaphragm will form a seal and allow the water to drain properly. If the diaphragm in the air gap is faulty, it’s possible that water can leak onto the cabinet and into the sink area. When this happens, then the air gap must be replaced.

Like the inlet valve, there is also a drain valve on most models. When no power goes to the drain valve it remains closed and prevents water from leaving the machine. When the valve receives power during the drain cycle, the solenoid opens and allows the water to leave the machine. If your drain hose is attached directly to the pump, you don't have a drain valve. The motor simply reverses and the pump sends the water in the opposite direction, which is out of the machine.

If the motor doesn’t turn or work properly, the dishwasher may not drain. Make sure you have power to the unit. If you notice that the motor hums but won't turn, it could be seized, and you probably need to replace it.

if you need to buy any parts, I have had alot of help from http://www.apwagner.com
Small objects can sometimes get stuck in the pump. When this occurs, you’ll need to open the pump and remove any debris buildup. The dishwasher pump is usually mounted directly to the motor and runs off the motor as well. The pump is also attached to the bottom of your dishwasher and pushes the water from the dishwasher.There's a few things you can look into that won't cost you any money.

First, manually remove as much water as possible and then check the sump area for paper or any other large object clogging the drain. A cup or so of water in the sump area of your dishwasher is normal and it is there to prevent the seals from drying out. The dishwasher will pump this old water out before beginning to wash.

Make sure the door is properly latched as the pump will not drain if the door is not latched properly.

Check the belt, drain line, air gap, drain valve and solenoid assembly, the motor, and the pump. If your dishwasher uses a belt to drive the pump, and it has broken or come off the pulley, replace it.



If you have recently installed a garbage disposer in your home, make sure that the drain plug on the disposer has been removed. It's just a little plastic piece that blocks the hole where you hook the dishwasher drain hose. If your dishwasher drains through the garbage disposer, you need to run the garbage disposer before you run the dishwasher to make sure that the drain is clear.

There is a drain hose between the drain valve or pump and the garbage disposal or drain line. If an obstruction has blocked this, then your dishwasher won't drain. The drain hose is connected by clamps to the drain valve and the disposer or drain pipe. Remove it and visually inspect it for a clog or a kink. Try to remove any debris. If it is in good condition, just put it back on, and if not, purchase a new one to install.

If you don't have an air gap in the drain line, at least use a high drain loop. Making a large loop about 18" off the ground with the drain line can prevent any back flow into the dishwasher from the sink.

If you have one, the air gap will be located on top of the sink. The air gap is there to prevent any siphoning of standing water from the sink. When your dishwasher drains, the air gap diaphragm will form a seal and allow the water to drain properly. If the diaphragm in the air gap is faulty, it’s possible that water can leak onto the cabinet and into the sink area. When this happens, then the air gap must be replaced.

Like the inlet valve, there is also a drain valve on most models. When no power goes to the drain valve it remains closed and prevents water from leaving the machine. When the valve receives power during the drain cycle, the solenoid opens and allows the water to leave the machine. If your drain hose is attached directly to the pump, you don't have a drain valve. The motor simply reverses and the pump sends the water in the opposite direction, which is out of the machine.

If the motor doesn’t turn or work properly, the dishwasher may not drain. Make sure you have power to the unit. If you notice that the motor hums but won't turn, it could be seized, and you probably need to replace it.

if you need to buy any parts, I have had alot of help from http://www.apwagner.com
Small objects can sometimes get stuck in the pump. When this occurs, you’ll need to open the pump and remove any debris buildup. The dishwasher pump is usually mounted directly to the motor and runs off the motor as well. The pump is also attached to the bottom of your dishwasher and pushes the water from the dishwasher.
0helpful
1answer

Dishwasher will not drain

Hi...

If you dishwasher fails to drain you need to check this following:

  • Check sink drain and drain hose for restrictions
Thedrain hose and recirculation hoses can be responsible for leaks. Thedrain hose can cause the dishwasher to fail to drain properly. Therecirculation hose can be responsible for problems with poor rinsing ofdishes.
  • Unjam the motor
  • Unjam the pump
  • Check the drain valve
  • Check the drive belt
  • Test the timer motor
The timermotor regulates the length of time power is routed to each component.If the timer motor does not function properly, it can result in a widerange of problems. Common symptoms include sticking in a cycle, cycletimes running too long, or failure of the dishwasher to start at all.
  • If you have a brand new dishwasher or garbage disposer, check the knock out plug on the garbage disposer.

Good luck !!!

Regards
PCmania
0helpful
3answers

I installed a new bocsh dishwasher and garbage disposal. The water is not draining. I routed the drain hose on the floor rather than looping it up the back of the dishwasher, due the short lenght of drain...

If you did not remove the plug from the disposer drain where you made your drain connection will cause the dishwasher not to drain. This should have been mentioned in your installation instructions. Also, routing the drain hose other than what is specified in the instructions, will allow food waste to enter the dishwasher when you grind food in the disposer. Read your instructions and don't take shortcuts, you want to have your appliances work well for a long time, as you have made a considerable investment in some quality appliances.

Hope this helps!
0helpful
1answer

Dishwasher won't drain

Hello lone-ross...I'd be happy to help you resolve your dishwasher problem however the chance of resolving that with no brand name, or model number limit the accuracy of my solution..There are so many thinghs that could factor in to your dishwasher not draining properly but the first one noemally involves an obstruction or blockage in the drain system. This can be as simple as the drain filter blocked with food byproducts, inlet or outlet to the pump blocked, the pump itself, your drain hose kinked or blocked or your house drain system restricting flow. Please provide additional details about your problem including the brand and model number of your dishwasher and what/when this problem started to happen. I'll keep an eye out for your reply.. Help me, help you..
Regards
Oct 14, 2008 • Dishwashers
0helpful
1answer

Fridgidaire dishwasher model # FDR252RBS1

just doing it by the numbers ask your husband if he removed the drain loop from the side of the tub to get extra drain hose if he did reply to me before going on next take the drain hose loose from the sink get a mop buckit put the hose in it then turn it to start and close the door holding the hose in the bucket if it drains and the drain loop wasnt removed check the place where it goes into the sink for blockage let me know what happens
Jan 30, 2008 • Dishwashers
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