Bosch washers not resetting after F21 error

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  • #91806
    jason1970
    Participant

    Gents

    Is it me or is anyone else finding that 4 out of every 5 F21 errors are no longer resetting? Going back 5 years or so, 9 out of every 10 F21s would reset. These days often the F21 error won’t reset. Any thoughts? (Also, as an aside, on the modern induction motor ecosilence models, why does the motor do a series of minute agitations after the door locks but before it starts to fill?)

    Thanks very much!

    #449332
    electrofix
    Moderator

    Re: Bosch washers not resetting after F21 error

    never had a problem resetting machines Yet ! but i have found you need to be slow and methodical about the way you do it. rush it and it fails every time

    would assume the agitation was a way of assessing the load weight

    Dave

    #449333
    jason1970
    Participant

    Re: Bosch washers not resetting after F21 error

    Hi Dave, neither did I before. Occasionally, as I said, probably 1 in 10 wouldn’t (especially if it tripped when the worn brushes arced) but not normally a problem. Of late many not resetting even after spending 10 minutes carefully going through the sequence????
    I thought the same about weight sensing but the movement seems to small??
    Anyone else have any thoughts?
    Thanks

    Jason

    #449334
    Martin
    Participant

    Re: Bosch washers not resetting after F21 error

    Don’t forget the ‘unplug motor, reset, plug back in,reset’ option.

    #449335
    jason1970
    Participant

    Re: Bosch washers not resetting after F21 error

    Hi Martin

    Sorry should have mentioned that! Yes, do that too!!

    Oh well, might be just me then!

    #449336
    aqualectric
    Participant

    Re: Bosch washers not resetting after F21 error

    Cut ‘ n ‘ paste from the wisdom known as Tim Downing……

    (re: buttons pressed to reset BSH)

    “That’s why then…
    If reset is carried out more than 5 times before brushes are replaced then reset must be carried out 3 times after brush change with a different set of finger prints, its in the manual. 😉 “

    Strange but actually true…..

    #449337
    iadom
    Moderator

    Re: Bosch washers not resetting after F21 error

    Very true, I have never cleared one first time, had several that were real bar stewards,

    To back up Tim’s observations I once had one that would not clear, had to leave it to get to my next call but showed the customer the reset procedure. She tried it a few hours later and it cleared at the second attempt. 🙁

    #449338
    jason1970
    Participant

    Re: Bosch washers not resetting after F21 error

    Hi Gents Sorry slow replying I’ve been away.
    Aqualectric, honestly? Is it April 1st? A different set of fingerprints?!?!
    Iadom, glad it’s not just me. I was showing a trainee how to do it once, I spent 15 minutes trying and it wouldn’t reset, he tries and it resets first time!
    I like Bosch machines but sometimes ………………………..

    #449339
    Martin
    Participant

    Re: Bosch washers not resetting after F21 error

    Have you tried the ‘Native American rain dance’ whilst touching the relevant knobs? That should clear it 😈

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