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My blanco dishwasher makes a humming sound but does not pump water or work

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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

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  • 641 Answers

SOURCE: Dishwasher not spraying

It could be a motor or a pump issue. The dishwasher has a motor that attached to a pump which forces the water up into the sprayer arms and during the drain cycle, it pushes the water out of the dishwasher. The motor (and pump) located beneath the dishwasher. Good luck!

Posted on Sep 13, 2007

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SolutionGuy
  • 331 Answers

SOURCE: Bosch dishwasher model shu3300

Your machine has detected a "flood" condition and has defaulted to its flood mode. Meaning that only the drain pump will work until the flood is fixed.

Bosch D/W's are pretty slick, the entire unit is sitting inside a drain pan that's designed to catch an overflow (flood) keeping the water off of your floor. This overflow pan has a Styrofoam float that rises with the flood and trips the "flood mode". The water in the pan has to be removed allowing the float to drop back down before you can use your dishwasher again.

There are 2 ways to do this... the easy way and the hard way.

1.) Easy way---> Wait a few days. The water will eventually evaporate out of the drain pan all by itself. Takes longer than the hard way, but no tools are involved.

2.) Hard way---> (not actually "hard") TURN POWER OFF TO THE DISHWASHER! Remove the lower kick panels (below the door). Remove the 2 screws holding the water valve in place, and push the valve up as far as you can. Now use a "Shop-Vac" with a long crevice tool attachment. Stick the crevice tool in where the valve was... make sure to reach in there about 8 or 9 inches, (the safety float is in there on the left, you can see it with a flashlight) otherwise it won't reach the water. Now simply suck up as much water as you can. You won't be able to get it all, you just need enough removed to drop the float.

Now try your D/W... after a normal 2 minute drain, it should fire right up.

Posted on Nov 04, 2007

osborne382
  • 306 Answers

SOURCE: Blanco Dishwasher BIDW605 does not

I would check the hose/water filters. make sure that you have proper flow from the hoses

Posted on Apr 04, 2008

  • 1 Answer

SOURCE: Loud Humming noise every time we run the dishwasher

Hi, I had this exact same problem. In my situation it turned out to be the pump that pumps out all of the used water. It was rubbing up against the floor so that every time it turned on it made a loud vibrating sound. I just reached under the washer and put a piece of rubber between it and the floor and it solved the problem.

good luck!

I saw this post because I am considering buying the same model you have. Other than the noise problem you have, what do you think of it?

Posted on Apr 06, 2009

  • 423 Answers

SOURCE: My dishwasher is making a humming sound and does not rinse?

A humming sound can be a failing wash motor (that drives the water pump) or it can be as simple as a blockage in the the pump area beneath the lower spray arm, under the filter.
Remove the spray arm and the filter top (screws will need to be removed)
Use a flashlight and inspect all over the sump area for debris that is blocking/jamming the impeller area. Reasemble and test with a short cycle.
If the dishwasher continues to make the same humming, it is time to replace the wash pump.
Good Luck! Post back here if you would like more guidance.

Posted on Apr 11, 2009

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A few days ago our sink/garbage disposal was plugged up - plunged it and opened drain BUT dishwasher started humming and wouldn't fill up with water. Bosch Model SHU43C06UC Tried pushing on/off...


Check the drain pump it is located in the front of you unit .Disconnect power or flip breaker .Remove the front kick plate then there is a metal plate above that is held on with 4 screws remove that and reach in and press lever on pump and turn counter clockwise it will come right out .Then check for items in the pump area could be glass. Hope it is helpfull

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I would check the hose/water filters. make sure that you have proper flow from the hoses

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the only thing you can do is take it to the place where they repair motors. like where they fix windings ect . im in ny so you have to check your area for one in your neighborhood. let me know if this washelpful to you

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If you "Lower" the hose to the bucket and it "drains" you are just using gravity to remove the water. The pump may be helping a little but if you raise the hose up and the water stops coming out, it's a good indication that the pump is bad. Unless the place you are attaching the hose to is plugged up, you need a new pump or a new impellor. Since the motor is good, try to get a replacement impellor, that the thing that moves the water. One other thing, you did say how well it washes the dishes? If the impellor is bad, it probably doesn't.

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After the wash cycle the unit will not empty, according to the feedback on this page they sujest a dishwater cleaner, can you tell me what type and where to obtain it.


I don't know that a dishwater cleaner will solve your problem. More than likely the pump is no onger functioning which is located on the bottom of the unit. When the dishwasher goes into the discharge cycle does it make a humming sound or does it do nothing. All pumps make sound when discharging the water from the basin. If there is no sound present then the pump is not functioning........if the pump is making a humming sound then it is locked up. Let me know please thanks.

Deathstalker

Sep 01, 2009 | Tecnik 24 in. TKD795/3 Built-in Dishwasher

2 Answers

Loud humming noise when dishwasher is filling up with water


your model is pretty new. just so you know your warrenty is 1 year parts and labor. 2 years on parts. it should not cost that much money.

there are two components that start before the circulation pump.(wash noise you hear)

first sounds you hear will be the drain pump. usually rattling noises if something is in it but it can make a hum noise if something is jamming the drain propeller up. which is accessible with a T20 torx driver. take the filters out and the mesh filter. and unscrew the screw in the base towards the left. pull out whatever is lodged.

the other humming sound can come from the next component that activates is the watervalve. make sure you dont have a kinked water intake line. otherwise its a bad valve. i have had to change a few of those water valves out already but not for a hum noise on your model. you have a new style water valve. when brands make new parts we get problems fast sometimes..

Feb 14, 2009 | Bosch 24 in. SHE44C02UC / SHE44C06UC /...

1 Answer

My dishwasher is making a humming sound and does not rinse?


A humming sound can be a failing wash motor (that drives the water pump) or it can be as simple as a blockage in the the pump area beneath the lower spray arm, under the filter.
Remove the spray arm and the filter top (screws will need to be removed)
Use a flashlight and inspect all over the sump area for debris that is blocking/jamming the impeller area. Reasemble and test with a short cycle.
If the dishwasher continues to make the same humming, it is time to replace the wash pump.
Good Luck! Post back here if you would like more guidance.

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sounds like the circulating pump. could be a foreign object stuck in the pump impellor. could also be the pump capacitor - cheap part

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I have a Blanco Dishwasher and the water will not drain away from the machine after it has completed a cycle, how do I get it to drain?


hi, there are 2 pumps on a dishwasher, it sounds like the drain pump on your unit is not working, it may need to be replaced. . if it is in warranty contact the manufacturer, if not contact a local appliance repair company. in the mean time you can use a wet/dry vac to get the remaining water out of the unit.

Mar 21, 2008 | Dishwashers

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Dishwasher not working


Nothing by the sound of it. The humming may mean the main pump is stuck. If you are able, remove the pump & turn the impellor by hand (or screwdriver) just to make sure its free moving. Put it back into machine & see what you get. Could also mean that the capacitor on the main pump (if it is a capacitor start motor) has failed.

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