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  1. #1

    Strange alarm

    Hello im getting and alarm nobody i work with or even the boss knows whats up. It reads: 1185-20 ALARM A MCS VELOCITY DEVIATION OVER SPDL 7FFEFF53. Machine : L370. Control : OSP-E100L

  2. #2
    Join Date
    Dec 2008
    Posts
    3110

    Re: Strange alarm

    I'd take a punt, that it is stating that there is a discrepancy in the spindle programmed RPM and actual RPM

    I'd start checking if any binding, any lub issues, any clamp/unclamp issues (might pay to remove and inspect hyd. clamp tube)
    These are the cheapest checks

    A wiring/ motor problem may need a tech and would need a few $$ thrown at it.

  3. #3
    Join Date
    Apr 2009
    Posts
    1262

    Re: Strange alarm

    I’ve seen that alarm when the encoder is going bad. Sometimes you can adjust the gap to cure it, but usually it needs replacement. Superman is right when he says the motor and encoder are reading different RPM’s.
    Experience is what you get just after you needed it.

  4. #4
    Join Date
    Mar 2009
    Posts
    1982

    Re: Strange alarm

    or just some dirt collected at the serrated wheel of encoder.

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