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Thread: Kinco 2M2280N

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  1. 30-10-2016 #1
    Jonathan's Avatar
    Lives in Leicester (Home) or Nottingham University (2nd Home), United Kingdom.
    Jonathan
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    Quote Originally Posted by JAZZCNC View Post
    No But I've got couple of dead ones if want to see one.!
    Do you want to send them to me for repair and we'll keep one each if I can fix both?

    I've repaired more DQ860MA drivers than I'd like to admit having blown up.

    I can also post what I find here in case it helps others with fixing them.
    Last edited by Jonathan; 30-10-2016 at 11:37 PM.
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  2. 31-10-2016 #2
    Web Goblin's Avatar
    Lives in Stirling, United Kingdom.
    Web Goblin
    Last Activity: 07-10-2018 Has been a member for 9-10 years. Has a total post count of 795. Received thanks 50 times, giving thanks to others 6 times.
    Bit of an update on this. I have the driver apart on my bench and have found the cooling fan faulty and a shorted IGBT. The fan is easy but waiting for someone to see if they can get me a replacement IGBT.
    With the faulty IGBT removed from circuit the existing fault disappears and now says that it cannot find the motor which is correct seeing as its not connected.
    I will update again if I can get the correct parts and get it working.
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  3. 31-10-2016 #3
    Jonathan's Avatar
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    Quote Originally Posted by Web Goblin View Post
    Bit of an update on this. I have the driver apart on my bench and have found the cooling fan faulty and a shorted IGBT.
    If there are any protection diodes on the output, check these as they often go with the IGBTs.

    Quote Originally Posted by Web Goblin View Post
    The fan is easy but waiting for someone to see if they can get me a replacement IGBT.
    What's the part number? I might have something.
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  4. 31-10-2016 #4
    Web Goblin's Avatar
    Lives in Stirling, United Kingdom.
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    Ive already got some on order but thanks anyway. Looks like the protection diode is built in. I think that's whats gone short circuit.
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  5. 31-10-2016 #5
    JAZZCNC's Avatar
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    Quote Originally Posted by Jonathan View Post
    Do you want to send them to me for repair and we'll keep one each if I can fix both?
    Yep and I'll throw a few smaller DM drives in for you to play with. email me address.
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  6. 31-10-2016 #6
    Jonathan's Avatar
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    Quote Originally Posted by Web Goblin View Post
    Ive already got some on order but thanks anyway. Looks like the protection diode is built in. I think that's whats gone short circuit.
    OK - it varies, e.g. the DQ860MA add external diodes from the phases to DC bus, as they're higher speed so offer better protection against unplugging whilst powered on. The m752's I've seen don't have these.

    Click image for larger version.  Name: 2016-09-20 14.54.37-1.jpg  Views: 147  Size: 159.9 KB  ID: 19520

    Quote Originally Posted by JAZZCNC View Post
    Yep and I'll throw a few smaller DM drives in for you to play with. email me address.
    Done.
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.
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  7. 02-11-2016 #7
    Web Goblin's Avatar
    Lives in Stirling, United Kingdom.
    Web Goblin
    Last Activity: 07-10-2018 Has been a member for 9-10 years. Has a total post count of 795. Received thanks 50 times, giving thanks to others 6 times.
    New IGBTs and cooling fan arrived today. Fitted new parts and rebuilt the driver. Tested and working ok.
    Ive setup my limits and home switches and can now home all axes.
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  8. 03-11-2016 #8
    Lee Roberts's Avatar
    Lives in Milton Keynes, United Kingdom.
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    Quote Originally Posted by Web Goblin View Post
    New IGBTs and cooling fan arrived today. Fitted new parts and rebuilt the driver. Tested and working ok.
    Ive setup my limits and home switches and can now home all axes.
    Saawweeettt!
    .Me
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