wmf940 f05 not pump

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  • January 26, 2013 at 11:09 pm #73781
    cliffpat7
    Participant

    Will not fill unless you manual fill it from soap box

    F05 – Pressure switch jammed on full
    Sump pipe cleaned
    Pump cleaned
    Pressure pipe checked when empty or when full
    Can’t check air chamber because off plastic welded tub
    Changed linear pressure switch C00272450
    If I done the 30 min cycle 28 mins stops pumping then counts down almost 10 mins does not fill .

    Error f05 has happened twice
    Manually filled machine to check wash noticed water level was high washed OK
    Repeated check above 4-5 times to check pump OK
    Value reversed stilled didnt fill so value changed so OK
    Check spin OK when it was manually filled OK

    Fault must be PCB or air chamber tilling board not to fill

    PCB checked for damage OK or component damage none found

    I know ive had headache with linear switches or pcb on zanussi same problem keeps pumping .

    January 27, 2013 at 12:46 pm #388771
    madangler1
    Participant

    Re: wmf940 f05 not pump

    I have had a few of the Linear pressure switch models get stuck on F05 and refuse to reset, normally happens after a genuine blockage but the module refuses to reset and start again.

    Normally end up reprogramming and its fine.

    Obviusly this is not something you can do with out access to smart card programmer ect.

    January 28, 2013 at 1:45 am #388772
    cliffpat7
    Participant

    Re: wmf940 f05 not pump

    I’ve got programmer don’t have card just need to order card but its out off stock 5045176966854 connections
    Have you had many PCB you can fix by reprogramming .hate buying card because they read only once .
    Thanks I hate reordering PCB at cost to customer .it mean 1 PCB 2 cards
    1 too reprogram then 1 for new PCB if pcb faulty so never reprogram old PCB
    Thanks will try and let you know depends on customer

    January 28, 2013 at 8:44 am #388773
    iadom
    Moderator

    Re: wmf940 f05 not pump

    Cliffpat7, as you appear to be in the trade, have you applied for trade access?

    January 28, 2013 at 8:56 am #388774
    madangler1
    Participant

    Re: wmf940 f05 not pump

    It’s not often a reprogram will resolve problems however in the last 2 years Iv seen and others have also seen it that this particular issue with the machine refusing to reset after an Fo5 does go away with a reprogram.

    It like it locks out and no matter what you do it won’t reset

    I’d order the board and 2 cards, give the customer the choice and let them make the decision

    January 29, 2013 at 11:52 pm #388775
    cliffpat7
    Participant

    Re: wmf940 f05 not pump

    Iadom how to you change to trade thanks

    January 30, 2013 at 10:31 am #388776
    iadom
    Moderator

    Re: wmf940 f05 not pump

    There is a link on the home page in the Domestic Appliance Forums paragraph. 😉

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