Question about Bosch SHU5316UC Dishwasher
There is a simple test you can do. Turn the power on and open the dishwasher door. In the bottom of the washing compartment near the centre you will see a dome/mushroom shaped plastic object (the float). Lift the float as high as it will go (about 1-2 inches) and, keeping it lifted, see if the pump starts.
If nothing happens, then it's likely that you need a new waste pump. If you can hear a faint humming, but the water doesn't pump out, then your pump impeller may be jammed or the impeller may have come off the drive shaft.
Try this test, post back with the results and I'll try to assist further . . .
Posted on Nov 02, 2010
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Posted on Jan 02, 2017
fault is that there is a leak. the tray at base of dishwasher is full of water which operates a float and turns on drain pump. tilt over 45deg and water will run out and then it will work or remove bottom front panel and mop out (better). then find leak
Posted on Mar 20, 2007
This is generally because of a stuck diverter solenoid. The water goes to the pump and then is either sent to the wash arms or the drain. Also, check the drain.
Posted on Feb 11, 2008
I have a Bosch Classixx with what sounds the same problem.It would not drain properly and hummed even when the front door was opened.After a couple of days it ponged a bit.This is what I did.Sypnoned off yukky water with a short length of hose (fill pipe with water from tap don't **** on it!!).Cleaned filter under cutlery tray at bottom.Then put a TEASPOON of bleach if on main drainage or dishwasher cleaner if septic tank.Ran on a hot wash and see if it sorted problem-it didn't but did clean system.
Syphoned off again -take care.Isolated electric and water supply.-Should do that first perhaps Pulled out from under counter undid drain hose at sink end and water at machine end.I then put machine on side and undid bottom silver plate.Note position of polystyrene float switch cover.I then followed drain hose to drain pump and undid it by twisting it like a bayonet light bulb undoing clip levering with screwdriver (not for feint hearted as easy to break) -I then checked little impeller for foreign object-found none so pulled off pump housing by rubber hose to bigger pump thing next to it and found small bit of plastic put it back together and hey presto problem sorted-I was told it might take two hours for the expert to do it once on his workhop bench-it took me about 30 mins plus a bit of head scratching and a yank and push or two which could have been rather expensive -I was lucky!
Posted on Aug 24, 2008
There is a recall on the control board of many of these models, butyour problem is likely not related. A sticking impeller indicates that the pump may be failing, but you are welcome to try my guide to help. It is here. Thanks!
Posted on Jul 19, 2009
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Dishwasher Problems - Water will not drain out
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