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Mitsubishi Invertor error

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  • 05-06-2018 11:44pm
    #1
    THENORTHSIDER
    Registered Users Posts: 206 ✭✭


    EOC2 error on an F800 Mitsubishi invertor says overcurrent during constant speed, All seems ok during operation any suggestions where to start


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    #2
    Andrea B.
    Registered Users Posts: 1,920 ✭✭✭Andrea B.


    Is this an error code which has appeared to existing equipment without any changes in equipment/use/envronment?


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    #3
    brightspark
    Registered Users Posts: 2,637 ✭✭✭brightspark


    Have you checked for mechanical faults, sounds like an overload.

    Less likely is a bad connection on a phase supply to the motor.


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    #4
    2011
    Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,541 Mod ✭✭✭✭2011


    THENORTHSIDER wrote: »
    EOC2 error on an F800 Mitsubishi invertor says overcurrent during constant speed, All seems ok during operation any suggestions where to start

    This means that your current has exceeded 200% of what the load current should be. This may be due to a short circuit, so carry out an insulation resistance test on the motor and on the cabling. While you are at it it would be no harm to measure the resistance of each winding.

    This may also be due to a change in load conditions. Has the load increased? This could also be caused by mechanical fault such as bearing failure so check that the shaft can rotate freely.

    See link:
    https://www.manualslib.com/manual/530056/Mitsubishi-Fr-A500.html?page=201


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    #5
    THENORTHSIDER
    Registered Users Posts: 206 ✭✭THENORTHSIDER


    Andrea B. wrote: »
    Is this an error code which has appeared to existing equipment without any changes in equipment/use/envronment?
    Appeared on existing equipment but as you suggest we haven't determined if there are changes to use. Finding it difficult to get to the root of possible changes.


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