AWCT12 module.

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  • November 8, 2011 at 8:06 pm #66164
    megawatt
    Participant

    I am finding a number of modules failing on the same fault, causing the machine to loose all signs of life. The cost of the module is not a problem while the machine is under warranty,but will be a problem after the warranty is over.I have a number of these machines out on rent and I want to keep the maintenance costs as low as possible.
    Has any bright spark found out which component is causing the problem and if the module is repairable?
    Regards,
    Mike.

    November 9, 2011 at 1:49 pm #363316
    electrofix
    Moderator

    Re: AWCT12 module.

    if the module is the same as AWCT10 but different software then have had the 2.2uf capacitor go down making module loose power

    common fault is
    turn on machine ok
    programme machine and start prog ok
    machine fills then stops

    Dave

    November 9, 2011 at 4:44 pm #363317
    megawatt
    Participant

    Re: AWCT12 module.

    Thanks for the reply Dave. I will have a look at some of my dead ones tomorrow and let you know.
    Mike.

    November 9, 2011 at 7:37 pm #363318
    megawatt
    Participant

    Re: AWCT12 module.

    I had a look at my dead modules and found my caps ok. I have got a short across D5 but it is not D5 causing the problem.
    Mike.

    November 10, 2011 at 9:00 am #363319
    electrofix
    Moderator

    Re: AWCT12 module.

    D5 looks like part of the power supply on the board but if a diode blows there has to be a good reason as they are pretty hardy
    I would take 1 leg of the diode out and test again you may be getting the short through other components

    Dave

    ps i am looking at the awct10 board and assuming its the same

    November 10, 2011 at 2:17 pm #363320
    megawatt
    Participant

    Re: AWCT12 module.

    Yea, done that Dave. It is not the diode but something deeper.????
    Mike.

    November 11, 2011 at 11:57 am #363321
    electrofix
    Moderator

    Re: AWCT12 module.

    you seem to have a few with the same fault if so

    if you want to post one to me will have a look to see if i can find anything

    Dave

    November 11, 2011 at 5:22 pm #363322
    megawatt
    Participant

    Re: AWCT12 module.

    That’s very good of you Dave. Give me your address and I will get one over.
    Mike.

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