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Thread: Problem with fanuc 01

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  1. 04-08-2010, 09:15 PM #1
    dopamine
    dopamine is offline Registered
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    Apr 2010
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    Problem with fanuc 01

    I have the following problem with FANUC Series Oi Mate model B
    When the machine is switched on the following alarm appears:

    971 NMI OCCURRED IN PMCLSI
    With the PMC-SA1, an error occured in the PMC control LSI device on motherboard
    (I/O RAM parity)

    We can't do nothing then.
    Any suggestions for dissolving this problem?
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  2. 04-09-2010, 12:50 PM #2
    stevo1
    stevo1 is offline Gold Member
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    I have never personally had this error but found the alarm message and description in the manual. It says to check the I/O unit. See attachment.

    Stevo
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  3. 04-11-2010, 04:31 AM #3
    not an expert
    not an expert is offline Registered
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    Feb 2007
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    971 usually means the main pcb has to be changed. Good new is you can still go to the boot screen and back up the SRAM. Bad news FANUC will not sell a main pcb without service coming out to replace it.
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