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IndustryArena Forum > MetalWorking Machines > Okuma > Okuma VACIII D11 ALARM 20
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  1. #1

    Join Date
    Aug 2018
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    3

    Okuma VACIII D11 ALARM 20

    "1058-20 ALARM A Heat Sink Overload" presents at power up (cold machine) and communication with the drive. Drive LED's M1 and M2 as well as green LED 9 are on solid. Have exhausted maintenance manual and tech support troubleshooting tips up to changing out control PCB, which I don't have Any suggestions greatly appreciated.

  2. #2
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    Join Date
    Oct 2009
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    90

    Re: Okuma VACIII D11 ALARM 20

    Check and clean the fans behind the vac unit. you have tu remove the vac unit. Then you can reach them..

  3. #3
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    Aug 2012
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    Re: Okuma VACIII D11 ALARM 20

    Hello, we repair Okuma drives, power supplies, etc. If you want to discuss this, you can email me at kevin1@cnctechnical.com...this is usually a pretty inexpensive fix and one of the few where we will do a "parts and labor" repair to avoid the expense of a full refurbish repair cost.

  4. #4

    Join Date
    Aug 2018
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    3

    Re: Okuma VACIII D11 ALARM 20

    Thanks for the replies. Yes, I have cleaned the heat sink and verified the fan is good. The alarm presents immediately at power up, machine cold.

  5. #5
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    Aug 2012
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    163

    Re: Okuma VACIII D11 ALARM 20

    If you want to repair, we would need to set you up in our system as a customer, send you a repair order which you would send in with the control board. Please send me your contact info (to my email in the last post) and I will contact you to discuss options.

  6. #6
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    Oct 2015
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    24

    Re: Okuma VACIII D11 ALARM 20

    I give my "thumbs up" to Kevin at CNC Technical, he helped me out with trouble shooting and a replacement board for our Okuma this spring.

  7. #7

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    Aug 2018
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    3

    Re: Okuma VACIII D11 ALARM 20

    cncts11, I have narrowed the problem down to heat damage on the PCB at the circuit that monitors the heat sink and motor thermal switches. What would I be looking at for turn around time on a repair of this nature?. I have attached a photo.

  8. #8
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    Aug 2012
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    163

    Re: Okuma VACIII D11 ALARM 20

    Sorry, been out of the office the last few days - if all that is needed is the repair of the alarm 20 (no wash cycle, other repairs/updates, etc.), then it would be a same day turnaround or worst case, next day (sometimes we don't get the stuff until early afternoon and to receive it in, get it on a bench, repair it and test it might not be possible before UPS comes back for pickup). Under normal circumstances though, we usually can do it.

  9. #9
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    Jan 2010
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    5

    Re: Okuma VACIII D11 ALARM 20

    Quote Originally Posted by edwart28 View Post
    cncts11, I have narrowed the problem down to heat damage on the PCB at the circuit that monitors the heat sink and motor thermal switches. What would I be looking at for turn around time on a repair of this nature?. I have attached a photo.
    Hello,
    Did you solve problem?
    What parts you replace?

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