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IndustryArena Forum > MetalWorking Machines > Okuma > okuma& howa 438v alarm 77

Thread: okuma& howa 438v alarm 77

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  1. 08-10-2010, 06:42 PM #1
    andysgarage
    andysgarage is offline Registered
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    okuma& howa 438v alarm 77

    I replaced the battery in the tool changer servo(vigoservo ars15), now i get al 77 mgn position alarm. the tool holders are out of position. what do I do to fix this problem. I would appreciate any help with this. Thanks.
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  2. 08-10-2010, 07:44 PM #2
    underthetire
    underthetire is offline Gold Member
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    Well, thats most likely a zero return problem. I don't have the manual for that drive, but you should be able to find one on line.
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  3. 08-11-2010, 01:23 PM #3
    andysgarage
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    Thanks for the reply. I've got okuma looking for the procedure, but since the merging of okuma&howa to okuma the information i need is in limbo.
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  4. 09-07-2015, 05:16 AM #4
    KHOATRANNGOC
    KHOATRANNGOC is offline Registered
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    Re: okuma& howa 438v alarm 77

    Hello,
    I replaced the battery in the tool changer servo(vigoservo ars15), now i get al 77 mgn position alarm.
    Please help me setting origin.
    Thank you.
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