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  1. #16
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    Jan 2014
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    Sydney Upper North Shore
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    ??? BobL

    10^2=100
    10^5=100000
    10*10^5 = 1000000
    105k = 1000000pf = 1.0uf

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  3. #17
    Join Date
    Sep 2002
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    Minbun, FNQ, Australia
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    Cliff.
    If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.

  4. #18
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    Sep 2002
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    Minbun, FNQ, Australia
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    You can get components from http://www.altronics.com.au/ as well.
    Cliff.
    If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.

  5. #19
    Join Date
    Nov 2011
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    Sutherland Shire, Sydney
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    71
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    Apologies up front if this has already been done, I am not familiar with this type of machine.

    Is it reasonably easy to bypass the circuit board altogether and just wire up the motor to a 3 pin plug and turn it on to see if the motor by itself runs?

    If this can be done, you will be able to identify the faulty section, and then repair or replace as necessary.

    Alan...

  6. #20
    Join Date
    Jan 2007
    Location
    Katoomba NSW
    Posts
    4,770

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    Quote Originally Posted by BobL View Post
    Gnats hairs, but 10x10^5 would be 10^6 or 1 Mega . . . . .
    10x10^-5 would be 10^-4
    To be 1 uF it would need to be 0.1x10^-5

    For some codes see. Capacitor code table | Kaizer Power Electronics
    The marked value is in pF. 10x10^5 pF = 0.001nF = 1.0 uF
    Those were the droids I was looking for.
    https://autoblastgates.com.au

  7. #21
    Join Date
    Jul 2003
    Location
    Riverhills, Brisbane
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    64
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    1,216

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    Uncle Al...I have heard of that option but my Air Filter is hung from the shed ceiling so I need the Remote control to operate it from floor level which dictates that I need the PC Board to be working properly.

    I will order a new capacitor on line as Jaycar don't stock them....Not a big problem, I'll just have to wait until I attempt to fix it again.

    Thanks to all for the feedback, I am hoping that it is the Cap I am about to order will fix the problem.


    I am having fun trying to find 400VAC......plenty of 400DCV

    I also have to find a Cap that will fit into the space....the components on the PC board have to fit in the 15mm space between the board and the front control panel.

  8. #22
    Join Date
    Jan 2007
    Location
    Katoomba NSW
    Posts
    4,770

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    I don't think plugging the motor in directly would be possible.
    I don't know anything about these machines but from the manual it looks like the control card is for fan speed selection and running time. I think the motor has multiple windings to get your 3 speeds. You could connect one winding at a time but it would take a bit of messing about.
    Those were the droids I was looking for.
    https://autoblastgates.com.au

  9. #23
    Join Date
    Nov 2011
    Location
    Sutherland Shire, Sydney
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    Quote Originally Posted by skot View Post
    Uncle Al...I have heard of that option but my Air Filter is hung from the shed ceiling so I need the Remote control to operate it from floor level which dictates that I need the PC Board to be working properly.
    Skot, what does the remote control thingy do? Is it just on / off, or does it have a speed selection function?.

    We have four Carbatec square box filter units at the wood club, 2 of these units fried their circuit boards, so we ordered 2 from Carbatec at about $150.00 each. One arrived after several weeks and was fitted, the other never arrived, never heard from Carbatec regarding the board on back order, but then it was only 3 years ago.

    We bypassed the circuit board which only controlled the remote control function (ours aren't variable speed) and purchased an Arlec brand remote power point controller from Bunnings for about $30.00, never had a problem since doing this. We have had 3 of these circuit boards fail over the years, the Arlec system is still working just fine.

    Hope you resolve the problem without too much pain to the wallet.

    Alan...

  10. #24
    Join Date
    Jul 2003
    Location
    Riverhills, Brisbane
    Age
    64
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    1,216

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    Alan,

    It is ON/OFF, Time Setting & Fan Speed.

    If I can not get the Unit to work with this next Capacitor, I will bite the bullet and buy a new PC Board for $165 but I only live 10 mins from Gregorys Machinery ...they have over 20 boards in stock, so I will drive over and pick one up.

    No lost postage

  11. #25
    Join Date
    Nov 2011
    Location
    Sutherland Shire, Sydney
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    71
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    Ah, not quite the easy fix after all.

    You should be back in business soon.

    Alan...

  12. #26
    Join Date
    Jul 2003
    Location
    Riverhills, Brisbane
    Age
    64
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    1,216

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    Capacitor Update.

    First of all, Thank you to all who have kindly offered advice on my Jet Air Filter problem.

    I was finally able to source a new 1uF 450VAC Capacitor from an Ebay electronics mob in Sydney and it was delivered to my door for $8.15.

    Finally had time today to wire it into the PC Board and I am very happy to say that the new capacitor fixed the problem. The Air Filter kicked up beautifully and was able to be switched between the 3 speed settings and the 3 time settings just like a new one. That's $165 new PC Board vs $8.15 capacitor. It took a little time but it feels good to solve the problem with a minimum of cost.

    Only slight downside is that the new cap is slightly larger in physical size to the old one so I may have to do some fiddling around to fit it. ATM it is hooked up but the PC board is not fixed back onto the front panel of the filter. Fortunately the new cap came fitted with approx 80mm long connector wires so I may even be able to place it away from where it is meant to be placed, which is sandwiched between the PC Board & the front panel.

  13. #27
    Join Date
    Jul 2003
    Location
    Riverhills, Brisbane
    Age
    64
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    1,216

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    All I need to do now is hang it back on the ceiling.

    Here is a link to a YouTube vid which lead me in the right direction. My Air Filter had exactly the same problem.....https://www.youtube.com/watch?v=O8Jb4y7iLis


    Pics of new capacitor wired into PC board and I was able to fit it in the space that the old one occupied...with very little wriggle room

    DSC01328.JPG DSC01329.JPG


    Links to my machine now running ...sorry about the noisy wind sounds but that proves it is now working to the max.

    Repaired 1


    Together again

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