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IndustryArena Forum > MetalWorking Machines > Okuma > OKUMA LCS-15H alarm 3901

Thread: OKUMA LCS-15H alarm 3901

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  1. 04-10-2018, 10:13 AM #1
    Sylwester1
    Sylwester1 is offline Registered
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    OKUMA LCS-15H alarm 3901

    I have problem with okuma ( control:OSP 700L) machine lcs 15H, I have external alarm 3901, which means this fault? How can i view the plc ladder in this control OSP 700L?

    please i need helps.
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  2. 04-11-2018, 09:55 PM #2
    cncts11
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    Re: OKUMA LCS-15H alarm 3901

    I believe that indicates that you have an external alarm; look through your schematic for an external alarm input and then check the signal in check data that corresponds to the input in the schematic; I believe it should be high (on) under normal conditions and off (low) when it is in alarm state. No ladder on the 700L control.
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  3. 04-16-2018, 12:29 AM #3
    OkumaWiz
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    Re: OKUMA LCS-15H alarm 3901

    Typically it means that a device such as a bar feeder or coolant pump, etc. is in a fault condition. Something other than the machine is wrong, thus, external device.
    Experience is what you get just after you needed it.
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