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Bosch Dishwasher SGS47E02GB circulation pump issue

Hi, I have a Bosch Dishwasher SGS47E02GB which I *think* has an issue with the circulation pump. The cycle starts by pumping out water OK, then I assume filling (it gurgles for 20 secs) then when the main washing cycle should start the machine emits a static 'buzz' and the washing does not commence - the timer clicks round like usual, when it gets to the empty cycle water is pumped out fine. So it appears water is getting in ok, pumping out ok, but not getting used during the wash cycle. The blades don't turn at all and are bone dry. Does this sound like the circulation pump?

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Yes

Posted on Nov 18, 2013

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6ya6ya
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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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SOURCE: siemens hydrosensor dishwasher SE25A091GB/22

Paul

If you are still trying to sort out this issue try the following.

From what you say then it is most likely the aqua sensor on the side of the dishwasher. The gurgling sounds that you hear are likely the drain pump running and the un-drainable water sloshing in the sump.

Verify that there is actually water going to the dishwasher( Basic step but often overlooked)

Next the inlet valve will have to be checked. This is the part where the water line from the house connects to the dishwasher, under the toe/kick panel. Remove power from the dishwasher. Disconnect the dishwasher electrical connections (2 wires) to the inlet valve and connect it (carefully to 110 V power) using a jumper wire. With 110V power the valve should open and water will flow into the dishwasher, if not then the fault is in the inlet valve.

If this checks fine then the fault is likely in the aqua sensor...

On the outer left side (viewed from front) there is a panel, Behind this panel there is a small clear(of light blue) plastic mechanism with hoses and wires attached( There is usually a yellow disk at the top about 6cm in diameter) this is a float and sensor assembly there is tells the control the water level and works as an emergency drain if there is an issue. There will be a red stick protruding downward to the base and a Styrofoam float on which the stick rests. This is a pan overflow sensor if the stick is too high the unit will go into drain and cut off the fill valve power. The yellow disk is a diaphragm which senses water height. This unit can become stuck with wear and hard water.

Posted on Jul 28, 2008

  • 13433 Answers

SOURCE: I think I need to

Read this page, it may be helpful to you
http://www.repairclinic.com/0088_9_1.asp

Warning! To avoid personal injury or even death, always disconnect your appliance from its power source--that is, unplug it or break the connection at the circuit breaker or fuse box--before you do any troubleshooting or repair work on your appliance. Also, because some components may have sharp edges, use caution while working on your appliance.

Posted on Aug 03, 2008

  • 409 Answers

SOURCE: bosch classicxx dishwasher not working check water light on

he there,

sounds like there may be something caught in the drain pump itself.

can you provide me with the complete model # on your dishwasher please?

thanks

Posted on Sep 25, 2008

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Before we jump to conclusions, you can try to clear element that discharges the water. The wholes in these units can become clog do to the detergent as well as food. Most Bosch units allow you to unscrew these pretty easily. Blow through them, or use a plastic tooth pick to clear any obstructions or both. Before you reattach, turn on dishwasher and listen to hear how much water is shooting out at the discharge points. Most Bosch have two discharge points one for the top and of course one for the bottom. Reattach units and Run dishwasher.

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