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Re: Water left in the units top & bottom
From what you describe, the drain hoses are not properly connected.
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.
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The pressure chamber or hose (pressure chamber to sump) may be blocked and the microswitch is being activated because the water is not entering the tank quick enough. Isolate from electric, remove lid and left panel (looking from the front). There is a plastic chamber bottom right of left side with two microswitches, either this is blocked or the hose that runs from it to the right and along the back of the kick panel and into the sump. Clear either or both (make sure all hoses are pushed true when repositioning).
Probably jug impellor part number (424099) from espares, buyspares or bosch direct. No fix unfortunately, this problem manifests as unit starts to fill and motor does not switch on. Eventually the unit overfills and the pump and fill start to alternate and check water light comes on. If this is the fault then this part is the solution it runs in line with the inlet valve and side fill chamber, take the left side panel off (looking from the front) it is tucked away behind the hoses bottom left (white plastic disc with two wire connection tag). Check water light can also come on if the unit is not pumping, if this is the case, repost and I will try and talk you through clearing this fault.
Above is a manual and wiring diagram. There is a test you can initiate by pressing two buttons, see the wiring diagram.
Couple things to consider. 1) Since you say lights come on, seems the door switch is probably OK. 2) There is a level switch, which switches the motor, etc. off if water level gets high. Check this switch which should have about an inch travel. (Device looks like a top-hat). You can lift it out and clean under it as well. All this amounts to is a float, it operates a switch under the floor of the d-washer. If this doesn't get you going, I suspect the timer or the motor. A blocked drain is definitely reason for the dishwasher to leave water in the bottom. Seems removing the water should have left it run a partial cycle. What your dad said is on the right track. You will need to disconnect the hose from the disposal or small drain pipe where the rubber hose connects to the drain. (can be the side of the disposal). Other end is connected to the dishwasher and can be removed from there as well. Water will be in it, have a towel ready to catch the water. You can check it for any kind of blockage once you disconnect it. Careful not to run water in the sink while disconnected, it can run out the opening. Manual has troubleshooting tips and may be of some help, though I didn't see your problem as one of the tips. Let me know. Gary
On the left hand side you will see a clear plastic panel full of tubes and small tanks. This is the metering tank. At the bottom left of this unit, is a black pipe held on with a clip. There will almost definately be a blockage between this point and the sump. You can either buy and fit a new pipe or do what I did with mine, which was to remove it and clean it with hot water and a bottle brush. Seems to work like new again now.
You'll have to get the machine onto it's right side to remove the lower end of the black pipe from the sump. I drained as much excess water as possible out of the machine by sitting it on bricks, tilting it to the left and catching the water in a dish as it came out of the float hole. Some will also come out of the funny plastic tube which runs across the top of the machine - I carefully removed this first and caught this water in a pan.
Drain the waste pipe and disconnect the water supply.
Replace the right side casing on to protect the feed to the upper spray unit and put the machine on it's right hand side. Once the machine is on its right hand side, fin the water inlet valve and carefully remove its bracket from the chasis of the machine. You will need cross head and a torx screwdrivers - one for each screw. Once this is loosened, push some of the water supply pipe into the machine so you can move the bracket to the right a little to gaine access to the waste pipe. Remove this by removing the two gold coloured screws. This should now give you easy access to the sump end of the black pipe which lead from the metering tank. Remove this and clean it out. Pop all the parts back, stand you machine upright. Reconnect the watre supply and the waste and give it a rinse cycle to test - number 1 on the dial.
Hope this helps. My apologies if any of the take apart is not completely accurate - I don't want to turn my machine over again to check!
this is a necht dishwasher under one year old the problem is as follows. machine switche on make the normal noises to start with after about two minutes it beeps for about twenty seconds machine then stops. The water does not seem to be coming into the machine but a small amount of water does come in at the botom of the machine ie. where the waste is. Please can you help.