FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B - Page 2


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  1. #21
    *Registered User* Motobrothers's Avatar
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    Quote Originally Posted by Third-Gen View Post
    Machine is back up again, no more 914 errors. it was a pretty easy fix. The guy who helped me said I cant post the fix publicly since I got the info free of charge, but if someone else needs the fix let me know and I can try to help. It was in the servo ram, not the program ram.
    I have same problem on fanuc 0-MC please help me.



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    Default re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Motobrothers send me a message I may be able to help



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    Default re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    My problem with error 914 is solved. PCB memory were damege. I have another problem. I need PMC backup. My system is Fanuc 0-MC 90year. I have ladder paper version. I need file ladder. My machine is leadewell tdc450.
    Sorry for my bad english. I greet you all.



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    Default re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Quote Originally Posted by Henry DesignMfg View Post
    Our Kiwa Excel 510 3-axis VMC (circa 1988) with Fanuc O-M just threw a similar error: 914 RAM PARITY (SERVO). I restarted the machine, zero'd the XYZ axis (machine was functional), and 5 minutes later, bam! System Alarm. I have contacted our service guy, and I'll report back our findings. Third-Gen, have you found out anything more about the System Error?
    Attachment 376276

    hi friend.
    change the new axis card



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    I am getting the same ram 914 parity error on my machine. Looking for help on fixing it. Thanks



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    Default re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    to avoid having to answer this question a bunch of times privately, this is the fix. I replaced all the chips in red, one by one, and the ones in yellow, one by one. the red ones fixed nothing, but the yellow ones were the issue. It has never been the axis board, as Fanuc says it can be.

    Attached Thumbnails Attached Thumbnails FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B-20171112_202359-jpg  


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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Hello Sir
    I have same 914 alarm on my Takisawa Tap center OM FANUC
    I have lost memory due to low battery, but now I’m getting 914 alarm, if I reset memory
    920 watchdog alarm comes up..
    Could you share if I have to buy some chips?



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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Hi I am having the same trouble Alarm 914 ram parity Servo.
    Can someone help.
    Thanks!



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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Quote Originally Posted by Fsilva View Post
    Hi I am having the same trouble Alarm 914 ram parity Servo.
    Can someone help.
    Thanks!
    Hello.
    What is the Master PCB part number?
    Since you have a 914 alarm, probably the master pcb is the problem.
    I hope you have a backup of all the parameters.
    regards

    AlexFanuc



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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Quote Originally Posted by Fsilva View Post
    Hi I am having the same trouble Alarm 914 ram parity Servo.
    Can someone help.
    Thanks!
    Master board error.


    Sent from my iPhone using Tapatalk



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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Quote Originally Posted by Third-Gen View Post
    to avoid having to answer this question a bunch of times privately, this is the fix. I replaced all the chips in red, one by one, and the ones in yellow, one by one. the red ones fixed nothing, but the yellow ones were the issue. It has never been the axis board, as Fanuc says it can be.
    Hello Third-Gen.
    in the picture it is not possible to read the memory reference, can you tell me what´s the memory reference?
    Sorry for my poor english.

    regards



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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Quote Originally Posted by tintin2005 View Post
    Hello Third-Gen.
    in the picture it is not possible to read the memory reference, can you tell me what´s the memory reference?
    Sorry for my poor english.

    regards
    I think the number is A16B-1010-0285

    Regards

    AlexFanuc



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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Quote Originally Posted by alexfanuc View Post
    I think the number is A16B-1010-0285

    Regards

    AlexFanuc

    Thank you for the answer.

    I do not want the motherboard reference number. i need the ram reference ... something like TMM2089.
    If someone can post a better quality photo, maybee it is readable.

    regards



  14. #34
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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Quote Originally Posted by tintin2005 View Post
    Thank you for the answer.

    I do not want the motherboard reference number. i need the ram reference ... something like TMM2089.
    If someone can post a better quality photo, maybee it is readable.

    regards
    FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B-img_3882-jpg



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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Quote Originally Posted by tuanpq View Post
    FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B-img_3882-jpg

    Hello and Thank you Tuanpq.

    Are these tmm2089 the ones in the yellow squares?

    regards



  16. #36
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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Quote Originally Posted by tintin2005 View Post
    Hello and Thank you Tuanpq.

    Are these tmm2089 the ones in the yellow squares?

    regards
    TMM2089P-45 4 ICs in red circle FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B-img_3882-edit-jpg
    you can replace by MB81C79A-45P



  17. #37
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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo Ot b

    Quote Originally Posted by memoryman View Post
    Sad to rad about your experiences.
    The cause for the 914 or 915 alarm is ALWAYS on the main board; a relatively easy fix. Contact me if you need control advice.
    i need help in 914 alarm



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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo Ot b

    Please state your control masterboard # and any photos of the screen and control.



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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B

    Quote Originally Posted by Third-Gen View Post
    ok talked to another old school Fanuc tech today, the chips I replaced are the program memory RAM only. Those would throw a 910 or 911 alarm. The SERVO RAM is a different part of the board, which i will be getting parts for, but wont be posting publicly since this is paid info and people need job security. hope this gets me running again. again, the chips i replaced are not needed to be replaced for a 914 alarm.
    i am having 914 alarm please help me



  20. #40
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    Default Re: FANUC DOWN AGAIN. 914 RAM Parity Servo Ot b

    this is my board number

    Attached Thumbnails Attached Thumbnails FANUC DOWN AGAIN. 914 RAM Parity Servo OM-B-img-20201221-wa0001-jpg  


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