Lazlo

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  • in reply to: Zanussi ZWF1440W – interlock cycling constantly #455114
    Lazlo
    Participant

    Re: Zanussi ZWF1440W – interlock cycling constantly

    Hi Dave

    Thank you for the reply.

    Yes it’s a solenoid type but it appears to function correctly, that is it works and measures up the same as the known-good spare. I opened up the original to look for any damage and there’s none to be seen.

    The wiring for the interlock is good. I have swapped the boards back and forth a couple of times in case I’d made an error fitting one or the other but I’m consistently getting the same symptoms as above.

    The software number is the same on both boards, I made sure of this before buying it. I’ve changed control boards for used ones in several ELX machines and never had a button-board compatibility issue before, maybe I’ve been lucky?

    Oh yes, my PNC has 01 on the end. I don’t know why I left that off before..

    in reply to: ZWF1440W intermittently won’t start any warm/hot cycles #447884
    Lazlo
    Participant

    Re: ZWF1440W intermittently won’t start any warm/hot cycles

    An update:

    The old element tested fine both hot and cold.

    I worked my way back through the wiring to the main control board and found nothing. Testing the heater relay confirmed it worked so I refitted the board and the machine has now been performing faultlessly for two weeks. I can only surmise that it was a dirty contact onto the board and that disconnecting then reconnecting the wiring loom plugs cured it. Happy days.

    Lazlo
    Participant

    Re: ZWF1440W intermittently won’t start any warm/hot cycles

    Well I replaced the element and NTC last Monday and it ran for three cycles in a row and faulted on the fourth. I left it turned off over night and the next day it worked and I did several washes over the next few days. My wife says it worked once out of two times for her.
    This morning I went to put on a wash and it faulted and out of frustration I opened the door and closed it harder than I would ever normally do, and on trying again it worked!
    So although it’s not faulting as often it is still not right. I think I’d better do some testing of the wiring loom.

    Unfortunately I don’t own a megger so I can’t accurately check for earth leakage on either element which was a shame I find it’s worth testing new elements before fitting. Out of interest I’ll do a live wet test with an RCD on the old one and see what happens, inadvisable I know..

    Lazlo
    Participant

    Re: ZWF1440W intermittently won’t start any warm/hot cycles

    Thank you. I’ll do that and report back with my findings.

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