AEG 8081: Error code “Cd” and machine pumping out

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  • #40794
    banthevan
    Participant

    (follow-on from “AEG 8081: Does not power on”)

    PNC: 911 232 218
    S/N : 92616158

    The machine now switches on O.K. With the door open, it appears as normal, with all the programs lit up. However, when the door is closed, it immediately sounds like it’s pumping out, with all the control panel program LEDs flashing:-

    Error code “Cd” with “Rinsing“, “Final Rinse” & “End” flashing in the indicator panel.

    The only actions that will cease the pump are switching the machine off or opening the door; turning back on or closing the door starts the pump off again.

    The error code (“Cd” – Wax drive for air flap (drying) interrupted) appears to indicate the pull-type thermoelectric wax valve (Eltek 27458 89010) is faulty. Visually, it appears fine unlike some where the spring pushes out from the rear housing. I’ve checked with the appliance R&D manager of Eltek and its resistance should be 1000 ohms at ambient temperature; the same as mine.

    Using the fault memory function, it’s showing a previous error:-

    Error code “Cc” with “Rinsing” & “Final Rinse” in the indicator panel (“Fan drying interrupted“)

    This must have occurred just before the “Cd” one. Has anyone dealt with any of these?

    I’ve not cleared the fault memory or run the individual component tests or service test program yet.

    Thank you for reading 🙂

    #267584
    banthevan
    Participant

    Re: AEG 8081: Error code “Cd” and machine pumping

    I’ve now cleared the fault memory and ran the individual component test on the vent switch (wax valve / “flap”) & fan: they both operate fine.

    However, when the test times out after 20 seconds, it reverts to the “Cd” error with the drain pump running again. This does stop after a minute or so but does not clear the problem.

    The drain pump’s working as it’s pumping water out fine. It only operates when the dishwasher is switched on on the control panel, never when not (which would indicate a problem with the float switch).

    I’ve tried the service test program which doesn’t appear to get past the pump out stage then ends with “00” on the indicator panel & pump stopped, like it’s skipped to the end.

    Please help!

    #267585
    banthevan
    Participant

    Re: AEG 8081: Error code “Cd” and machine pumping

    I’m hoping this additional information may help get some response.

    With the door open, I can select “Pre Wash“, which shows “11” (minutes) on the indicator panel. Closing the door commences the program but it just pumps out continuously, with the display counting down to “10“. Less than a couple of minutes later, the program will end with “00” showing and “End“.

    It’s as though it’s skipping to the end of the program as it can’t complete. In all this, no water enters the machine but it does pump out when you pop in a bowl full.

    The “Cd” errors can be produced when running some of the other programs.

    #267586
    banthevan
    Participant

    Re: AEG 8081: Error code “Cd” and machine pumping

    I’ve still got not been able to get any further with this one 🙁

    Just popped this up in case it rings a bell with anyone.

    #267587
    banthevan
    Participant

    Re: AEG 8081: Error code “Cd” and machine pumping

    Well, time’s gone by and I still have this one unresolved. Any help welcome!

    Thank you 🙂

    #267588
    banthevan
    Participant

    Re: AEG 8081: Error code “Cd” and machine pumping

    Well, time’s flown by but I’ve still been unable to find any additional help with this one. I keep looking but I’ve not come across anything to date. Unfortunately, I’m in a position to wash up by hand now but not splash out on a call-out 🙁

    I got the machine powering up again with the replacement of the control board fuse and it’s still got the first replacement in (I got a few extra ones, just in case) and it’s not blown in all attempts to sort this one out.

    All help gratefully received.

    Thank you 🙂

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