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IndustryArena Forum > MetalWorking Machines > Okuma > Safety speed monitor error / MSM module error
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  1. #1
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    May 2012
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    Exclamation Safety speed monitor error / MSM module error

    Hello everyone
    We have okuma MA-60HB and for three days we have problem with safety speed monitor.

    Alarm shows just after osp is booted. We have two MSM modules that I think are responsible for monitoring the speed.
    The second one (responsible for ATC and APC) LCD shows blinking oP / e2
    I think the e2 describe some kind of error but we don't know what.
    I also change module for another one and still it’s the same.

    Maybe someone have papers for MSM module? Any idea what is causing the alarm.

    Strange thing is that when we turn on machine with emergency stop its working fine. But if we turn it on normal there is an alarm from the beginning.
    After we start with emergency stop button machine works normal.
    I tried to find what axis is causing an alarm. I am not sure but it's probably APC motor no 2 which is operating normal.

    Please help! :]

  2. #2

    Join Date
    May 2021
    Posts
    1
    Quote Originally Posted by filipgd View Post
    Hello everyone
    We have okuma MA-60HB and for three days we have problem with safety speed monitor.

    Alarm shows just after osp is booted. We have two MSM modules that I think are responsible for monitoring the speed.
    The second one (responsible for ATC and APC) LCD shows blinking oP / e2
    I think the e2 describe some kind of error but we don't know what.
    I also change module for another one and still it’s the same.

    Maybe someone have papers for MSM module? Any idea what is causing the alarm.

    Strange thing is that when we turn on machine with emergency stop its working fine. But if we turn it on normal there is an alarm from the beginning.
    After we start with emergency stop button machine works normal.
    I tried to find what axis is causing an alarm. I am not sure but it's probably APC motor no 2 which is operating normal.

    Please help! :]
    Hi, we have the same problem. Did u find a solution?
    Thank you

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