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Very slow water fill. A "No Heat" wash takes about 2 hours and a light wash at 65 deg C. takes about 4 hours. Checked the filter on the water supply and it was clear. Apart from the slow feature the machine performs OK

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  • yoncassius Oct 07, 2010

    Dishwasher has only a cold feed with a head of 20 feet via a half inch diameter copper tube. It looks as though there is a partial obstruction somewhere in this filling/measuring system. Is it possible to remove this plastic device (a panel about 28 inches high, 12 inches wide and 1 inch thick located on the left side of the washer) which has a multitude of water channels in it, with holding sections which are filled and emptied in sequence to provide the requisite volumes of water, for each stage of the program, to each location in the machine? There are at least three thick walled plastic tubes, with an O/D of about half an inch, connected to this panel, as well as some smaller plastic pipes. I can only presume there is a solenoid valve buried under the dishwasher which opens when the machine is switched on allowing the filling process to begin. Hence my reason for asking if this plastic panel can be removed and if so, how?



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Ensure that the inlet hose at the back of the machine is not kinked or blocked, and ensure that there is enough water pressure.

Parts to be tested are inlet valve and overfill switch.

If those parts are OK, then it is probably a faulty timer board. Before declaring the timer board culprit check the door switch in case it is cutting intermittently, and check the thermostat (I know cold cycle is good).If all those are OK, replace the timer board.

If the valve is dual, then it can be tested swapping the contacts for hot and cold inlet and noticing if that makes any difference. If the swapped contact valve does not fill at all, then the hot valve is gone. If it goes regularly (slightly underfilling), then the cold is gone. If the valve is dual you replace the part alltogether.
Full test on valve is done reading Ohms at both solenoid contacts, and reading volts while cycling.

The overfill switch is usually a float sensor driven switch. This is tested jumping contacts and running a controlled cycle.

Door switch is also tested jumping contacts.

Some machine have an overfill device located under the bottom panel (eg. the aquastop). In that case disconnect power, remove water completely and empty the overfill device.

If all the above is OK, then go for the control board. Before replacing control board test also thermostat and pump. Thermostat is tested jumping contacts. Pump is tested energizing. This parts are probably not involved, but since there is no tech to test timer board by reading voltage out, better testing everything before eventually replacing timer.

Always disconnect power before performing any maintenance. Limit testing to operation that can be done with power off.If you need to call a technician, use the number listed in the user manual.

See here how to locate parts and diagrams : Where do I find parts and diagrams?



Posted on Oct 07, 2010

  • 1 more comment 
  • Ginko
    Ginko Oct 07, 2010


    Can you give me the model of the dishwasher?


  • Ginko
    Ginko Oct 07, 2010

    Hi .

    I am going offline and I did not get a replay about model.

    That thing you are talking about is probably, the smart fill system, that is an overfill switch controlling inlet. If that is what you have, there is no solenoid in there, just a switch. The part is tested jumping it. For safety reasons test is better done by a trained tech. I am not sure if we are on the same, here a pic:

  • Ginko
    Ginko Oct 07, 2010

    By the way, if this model has a fill funnel, then that is the problem. In that case slow filling may be caused by blockage in the fill funnel.

    The fill funnel can be open



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