z series robot with E controller encoder problem

    Hello Dears


    we have two z series robots.
    one of them fall in a problem.
    the problem was :
    (E1034) Encoder initialize error Jt 1)
    I found that encoder or motor drive have problem.


    I toke out encoder from the correct robot (that robot was OK)
    and put it in damaged robot.
    Now, i dont have E1034 Error but now i have
    (E1123) speed error j1


    I toke encoder out again and put it in OK (correct) robot,
    Unfortunatly i have E1123 in correct robot,too


    what i have to do?


    note: i did not change motor with encoder
    i only changed encoder.

    Encoder initialize error usually always failure of encoder, so your diagnosis appears correct, however it is never advisable to exchange working encoder from other robot for testing as accidental damage can occur.
    - I suspect possible internal cable connection or damage to encoder during re-attachment.
    - Check and confirm connections and also central retaining washer and bolt are secure, if ok, then I suspect encoder is now faulty.

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