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Hi Mike, I have a Siemens IQ300 dishwasher number SN26M230GB/28. It is showing error E:21. The last run of the washer was successful prior to the fault. There is no water in the bottom of the dishwasher. I have removed the pump impeller cover (white) and there appears to be no blockage. When I start the dishwasher the programme starts and I can hear the pump working. No other action takes place and the error code then shows. Can you help at all? Thanks.
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Posted on Jan 02, 2017
SOURCE: error code AO1
Error message A01 means -Acqua stop operated due to a leak or overfill. Check if there is still water in the machine after it stop pumping. In case you still have water - your problem is with the pump or with a blockage drain line. If there is no water in the machin, it might be a water level sensor issue - stuck physically in the high level position or become defective. Try to reduced the water presure and leveled it up by the water entrance tap to the machine, it might solve your problem. Goog luck !!
Posted on Jun 27, 2006
SOURCE: Asko D3330 F2
there is water in the pan below the unit. You will need to take apart the lower section of the dishwasher behind the toe kick and suck out the water, or just wait for it to evaporate (few days) Good Luck!
Posted on Nov 06, 2007
SOURCE: Diplomat ADP8322 problem
I had the same problem. its apparently due to a sensor that thinks the overflow tray (in the very bottom) has water in it..... I checked, and mine didn't....... but I found that putting the machine on a pre-wash, then doing the main wash worked everytime.....
Hope this helps
Posted on May 07, 2008
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
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