Question about Bosch SHU9915UC Dishwasher

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Clogged dishwasher drain?

I noticed that after I run my DW, the water does not completely evacuate from the bottom.  The filter area seems to be pooling dirty dish water.  The dishes are not clean.  It seems to have a lot of sediments on them.  This problem is getting worse by the day.  Do I need to call in the repair man or is this something I should be able to handle.

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  • 258 Answers

Clean the filter, check the water inlet and outlets for blockages

Posted on Jun 29, 2009

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Posted on Jan 02, 2017

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How do I clean the drain filter assembly on may tag dishwasher mdb4651awb


Sometimes this can only be gotten to by unscrewing the bottom spray arm in the basin of the DW. First, look in the bottom of your DW to see if you can unclog the screen by hand. This is the Drain Filter Assembly. It screens the waste so the pump doesn't get clogged. If you swipe stuff on the bottom of the DW like that leaf lettuce and rice, this might help.

Is their debris in air gap or in the bottom of the DW, where the drain is screened?

1. The air gap is usually located on top of the sink. Lift off the pretty cover, and unscrew the top cap nut. Is there rice and debris there? Remove it then. Reassemble and check it out.
2. The DW drains to the bottom of the unit where the pump is. This area is screened off so that the pump doesn't get clogging debris in it. is their leaf lettuce and stuff covering this? Remove that debris. Some times this area can only be accessed by removing the bottom spinning spray head. It comes off with a nut, possibly this nut is reverse thread. Reassemble when done looking for debris.
3. Is the drain line between the DW pump (located under the DW) and the waste pipe kinked? This line is a plastic corrugated line about 7/8" around the outside. It is a pumped waste and won't work if it is kinked, so unkink it.
4. Is the float stuck. This is a device on the bottom of your DW that tells the DW how much water is in the bottom of the DW basin. It looks like a mushroom. Gently move it up and down. Does it move freely or is it stuck? Unstick it.

Good luck.

Nov 03, 2013 | Dishwashers

1 Answer

Hi I have had this intake/drain light come on in my Miele G851 SC dishwasher. I followed the recommended instructions in the manual: - clean triple filter, drain pump, and non return valve - check...


Is their debris in air gap or in the bottom of the DW, where the drain is screened? Look for obstructions.

1. The air gap is usually located on top of the sink. Lift off the pretty cover, and unscrew the top cap nut. Is there rice and debris there? Remove it then. Reassemble and check it out.
2. The DW drains to the bottom of the unit where the pump is. This area is screened off so that the pump doesn't get clogging debris in it. is their leaf lettuce and stuff covering this? Remove that debris. Some times this area can only be accessed by removing the bottom spinning spray head. It comes off with a nut, possibly this nut is reverse thread. Reassemble when done looking for debris.
3. Is the drain line between the DW pump (located under the DW) and the waste pipe kinked? This line is a plastic corrugated line about 7/8" around the outside. It is a pumped waste and won't work if it is kinked, so unkink it.
4. Is the float stuck. This is a device on the bottom of your DW that tells the DW how much water is in the bottom of the DW basin. It looks like a mushroom. Gently move it up and down. Does it move freely or is it stuck? Unstick it.

Good luck.

Oct 25, 2013 | Miele Dishwashers

1 Answer

Dishwasher will not drain


Check for debris in two areas.

1 the air gap. That is the thingy that makes noise when the DW is working properly. It is usually mounted on the top of the sink. Pull off the pretty cover and unscrew just the top of the plastic lid. Is their rice and debris in there? Take it out. And put the air gap back together again.


2 The basin of your DW. Is the Screening on the bottom of your DW clogged with paper and stuff, anything that stops the flow of dirty dishwater from flowing to the pump? Clean that whole area away (this can be an advanced step but you can do it. I trust you. Some models you must unscrew the bottom spray head to get at the drain area. If you trust you, go ahead and disassemble to try to clear the screen). Does this do the trick and fix the drain?

If you still have problems, try to see if float is stuck. The float is inside your DW basin on the bottom. It looks like a mushroom. Gently pull it up and down. Does it seem to stick? If it does not move freely it will not work, and will not tell your dishwasher, "hey you still have water in here. Get it out."

Does the pump make a running sound? Is the pumped waste (from the bottom of the DW) kinked? Unkink it.

Good Luck.

Oct 19, 2013 | Dishwashers

1 Answer

Water leaked all over the floor after completing drying cycle


It is probably a clogged drain line that dumps into either your disposal if you have one or directly in the drain under your sink you may have an air gap on the sink they tend to plug around this area.

Apr 27, 2017 | Kenmore 15121 Built-in Dishwasher

1 Answer

Dishwasher won't drain, the pump seems to be working but it's like it's clogged or something, any ideas?


OK, first using a sponge and bucket, drain out all the water of the dishwasher (DW) as you can. You can also use a towel too.

Check the discharge/drain cover at the bottom of the DW for any obstructions. Sometimes small pieces of all sorts of things get sucked into the drain port.

There should be a protective shroud/cover over the drain and you might have to remove a small hex head screw to get into the drain sump inlet. Some can be popped off without any tools.

Once you have the cover off, be VERY careful in probing the drain area trying to see if there are any small broken pieces of dishes or glasses that may have gotten into the sump area. You'll want to use a towel or sponge to get the water out of the sump area.

If you don't get anything out of the sump drain, it could be that the obstruction has worked its' way into the motor disposal impeller and you'll have to remove the DW from under the counter in order to get at the motor and pump assembly. This will require possible disconnection of the water supply line, AC power line or plug, and the drain line going to the sink or disposal.

Before getting into removing the DW, you can also check the drain line for blockage by disconnecting it from either the sink drain connection or disposal and blow into the line. If it's not clogged, you'll get air coming into the DW. If not, then the drain line is clogged. Also check the Air break connection, mounted on the sink, (if so equipped) and clean it out. You can also pour warm water down the Air break to verify that the line is clear.

If this doesn't work, please check my other solutions under dishwashers for a complete step-by-step for getting to the discharge pump section.

I've seen blockages occur fairly often on these models and it's usually caused by broken bits getting into the discharge pump and jamming the impeller. Once removed, normally the DW will work fine, unless the impeller has been totaly chewed up by the blockage, then you may have to replace the discharge impeller to get it able to pump out properly.

Hope you found this very helpful and best regards!

Aug 07, 2009 | GE 24 in. Profile PDW7800 Built-in...

2 Answers

Clog - water leaking out of front bottom


Remove the lower spray arms and the filter assembly beneath it. Rinse out everything you remove in the sink as needed.
With a flashlight, inspect the sump area down there and remove anything lodged in the drain area. Reassemble and run a short load, watching it closely for leaks from the front.
If problems persist, there are two possible problems:
a.) The float or float microswitch is not working properly.
b) the hot water inlet valve (selonoid valve) is opening but not always closing properly.
Post back here is you are looking for more specific guidance.

Apr 10, 2009 | Dishwashers

1 Answer

Seems my drain is plugged on my dishwasher it is the magic chef 4500b unit and i now have water all over my kitchen floor. i cant seem to find the product du4500b  so i entered the du2000 , either way...


Ok there are several problems this can be caused from...
1. there is usually a float device (I'm not sure about this model) that floats up and turns the water flow off when an appropriate amount of water is injected into the DW...sometimes these get gummed up with soap and gunk...look in the DW and see if such a device is present (usually front right side) if so you should be able to lift it and inspect it for gunk...if no gunk is present push the float up and down and listen for a "clicking" noise and make sure the float returns to its up position (spring loaded) and after you have evacuated the water turn the DW on and start to fill see if the water shuts off automatically after it has filled (this is most likely your problem).....
2. Another problem is that often if dishes are not rinsed and lots of food has accumulated around the bottom of the DW..it can obstruct water from draining and since the drain cycle is on a timer...all the water will not drain out and during the next cycle...(and usually only if the float is not functioning) it will overflow. So the odds are you are going to have a float problem.
3. Also in my 35 years of appliance repair I have seen maybe 2 DW drain lines clogged and usually it is right where they attach to the washer...due to the aforementioned food accumulation. Turn the washing machine timer through its cycle from wash to rinse or whatever is necessary to get it to drain...you should here a door or valve click open and water running into the garbage disposal side of the sink...if this is the case the drain line is good.


Hope this helps...get back to me if not....The Fang

Mar 25, 2009 | Magic Chef 24 in. DU2000 Built-in...

1 Answer

GE Triton won't drain completely


Hi Tina! (say Hi to the Family, too)

Your drain hose from the dishwasher (DW) was installed incorrectly after the DW was moved back into place. Good news!!! Easy fix. All it takes is a 5/16" nut driver (or socket) and some vinyl electrical tape.

Look under the sink, you'll see the white drain hose hooked up to (most likely) your disposal. You'll notice that it just kinda slopes downhill 'til it disappears through the cabinet, right? Well, the slope in question is actually the culprit! It's siphoning water from your sink and down into the DW. Everytime you run water in the sink, some of it goes over to your DW instead of down the drain. Go figure, right?

Here's the fix... You have to re-route your drain line to make it have an upside down "J" in it before it connects to the disposal.

Use your 5/16 and loosen the clamp at the disposal and remove the hose. Pull on the hose to get as much slack as you can from the DW and into where you're working. Now route the hose between the sinks (the recessed area there underneath) and THEN into the disposal. Now tighten the hose clamp to secure the hose to the disposal. For extra measure, use your tape to secure the hose to a water line in the back by the water valves.

Seriously easy job, Tina and Family. Maybe 15 minutes.

SG

Mar 23, 2009 | GE Tritonr XL GSD6260JCC Dishwasher

2 Answers

Fisher & Paykel Dishwasher leaked


From what you describe, drain water from the top drawer is getting into the bottom drawer or waste water from the disposer is backing up into the bottom drawer.

1. Each drawer has its own drain hose. Each hose should terminate at the drain point with a 'Y' adapter.
2. Inspect the drain point (under the sink where the drain pipes are) to make sure this 'Y' adapter is present. (you should see two drain hoses from the DW). If not present, then the DW drain lines are not installed properly. (Someone took a shortcut and installed the 'Y' adapter behind the DW)
3. If terminated properly, make sure the drain hoses extend upward as they leave the drain point.

It is important the drain lines are connected properly to ensure proper drainage from the DW. Consult the installation manual for complete details.

Jun 08, 2008 | Fisher DD603B / DD603W / DD603H Dishwasher

2 Answers

Dishwasher does not complete cycle


It could be a clogged in the drain line. Often the problem is at the point where the drain line attaches to the garbage disposer or household drain line. You should remove this line and clear it form any debris in the hose or the hose connection. Be sure to reattach the hose before starting the dishwasher again. Good luck!

Sep 09, 2007 | Miele 24 in. G638 Plus Free-standing...

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