Question about Hotpoint Aquarius WD640 Front Load Washer/Dryer

6 Answers

Problem with Hotpoint WD64 Washer Dryer

My Hotpoint WD64 is not washing/spinning correctly.

When selecting a program and turning the machine on. The machine fills with water and the timer seems to click more than usual. The drum may turn a few times before the timer clicks some more (The wash cycle does not seem to complete correctly). The machine then drains before the moving to the rinse cycle, where the machine will fill and the drum rotates for a period of time before draining again prior to the spin cycle. The spin cycle seems to get skipped then the program ends.

I’m pretty sure that the wash water is not getting heated up. I have a dual cold feed configuration.

I have performed a number of tests in order to resolve the issue.

  • The motor works because the drum does turn, and I can force the machine to spin by starting the program on spin and switching it on.
  • I have checked the drain sump for blockages. The drain sump is clear and the machine seems to empty in a timely manner.
  • The drain pump therefore seems to work correctly.
  • I have checked the pressure vessel for blockages and leaks. Both the pressure vessel and pipe are clear.
  • I have tested the pressure switch by blowing into it and testing the continuity between various terminals. There appears to be 2 pressure switching actions working.
  • I have test the wash water heater element, this works correctly.
  • I have tested the wash water thermostat. The resistance at room temperature is approx 10K Ohms. At 90C it is approx 2K Ohms. So this appears to work.

The timer seems to click more than normal the cycles are not completing correctly before skipping to the next cycle.

Any help would be appreciated.

Thanks
Nick

Posted by on

  • 2 more comments 
  • Basset Man Nov 01, 2008

    Hello,

    I have checked and cleaned all connections on the control board. The problem remains the same. Clicking when on Programs C,D and E. I have disconnected the motor and ran the machine with the front off. To check the Heater voltage, the heater is only powered twice during the program. Even then it is only powered for a short about of time <2minutes (not long enough to sufficiently heat the water). I tested the water temperature with my hand, it was still cold. It seems that the water is not getting heated and there for the wash cycle does not complete correctly before moving on to the next cycle???

    Let me know if you need further information.

    Thanks

    Nick

  • Basset Man Nov 01, 2008

    I don't believe this is a power supply issue. The dishwasher uses the same supply with no issues.

    Thanks

    Nick

  • Basset Man Nov 01, 2008

    How do I test the timer?

  • Basset Man Nov 01, 2008

    I tested the element by connecting directly to power supply. Takes a long time to heat the water, even to luke warm (5-10minutes)



    Thermostat has resistance between 2K ohms and 20K ohms.



    Machine fills quickly, less than a minute.







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6 Answers

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  • Contributor
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You might need a new circuit board because water may have gotten on the one you have now causing it to short out and making it malfunction causing it to do some things that you do not want like it skipping the last cycle. You may need to get it checked at a shop to confirm the suspicion and to get it fixed.

Posted on Nov 01, 2008

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  • Master
  • 2,712 Answers

This is definitely a control board/timer failure, and hence instructions are getting warped. Although the connections look good, the circuitry itself may be faulty. The heating element seems to be OK, as it IS getting warm.

Replace the timer and/or control board to resolve the issue.

Posted on Nov 01, 2008

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  • Hotpoint Master
  • 19,396 Answers

Effectively it looks like a water heating problem.

When the water cannot be heated sufficiently, the machine waits until water reaches desired temperature.
So that the program takes longer to complete.

Heating problems can be caused by:

Faulty heating element
Faulty heating element solenoid.
Faulty thermic switch (in this case the water will get hotter than normal)

The heating element and the solenoid can be tested for continuity using a multimeter.

If the machine is slow to fill check also that the inlet valve is fine and not obstructed.



Posted on Nov 01, 2008

  • Ginko
    Ginko Nov 01, 2008

    Then you have a faulty element, replace it.

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  • Master
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It looks to be bad timer .

Timer is malfunction better have check over it .

Posted on Nov 01, 2008

  • SAM ANDERSON Nov 01, 2008

    Unplug
    the washer. To access the timer, remove the control knobs and the panel
    that covers the controls. This may be a front panel, or access may be
    through a panel at the back of the unit. Carefully examine the wires
    that connect the timer to the other parts of the washer. If the wires
    are loose or disconnected, try pushing them into position; they usually
    fit into their terminals like plugs. Use long-nosed pliers to avoid
    breaking the wire connections -- never pull a wire by hand.



    To
    test the timer, use a VOM set to the RX1 scale. Disconnect the power
    leads to the timer and clip one probe of the VOM to each lead. The VOM
    should read zero if the timer is working. Since the timer is a multiple
    switch, turn it through its cycle and test each pair of terminals in
    turn. The meter should read zero at all of these points. If one or more
    readings are above zero, the timer is faulty and should be replaced.







    Source:howstuffworks.com


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Check your power supply waltage and also check earthing propelry working.

Posted on Nov 01, 2008

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  • Master
  • 3,614 Answers

This possibly a bad contact on the panel board, thats why the system malfunction by itself. better to check on the every switch contact and clean for any moisture on the board.

Posted on Oct 31, 2008

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