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IndustryArena Forum > MetalWorking Machines > Fadal > Unrecoverable memory error
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  1. #1
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    Join Date
    Aug 2010
    Posts
    33

    Unhappy Unrecoverable memory error

    Hi there,

    VMC 15
    1998
    CNC 88HS

    Did not use the machine for about a month.
    When attempted to power it I got the following on the moitor:

    ======================SPACE BAR FOR NEXT MENU
    UNRECOVERABLE MEMORY ERROR AT 01CC
    USE THE 'NE' CMD TO CLEAR MEMORY

    However neither the controller nor the machine does not respond to pressing any key.

    Any suggestions ?

    Voytek1

  2. #2
    Registered
    Join Date
    Jul 2011
    Posts
    105
    FLASH : PM sent.
    FADAL VMC4020 HT 1995, Z 28" (if true) , 88HS , 10K rmp , 21 TC geneva /rotary/ , VH-65 (A-axis) ,3ph 400V , metric, NO conveyor, No palette. (+alternative DC AMP)

  3. #3
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    Aug 2010
    Posts
    33
    It is some more info on the problem.


    When first start the machine it shows :

    ======================SPACE BAR FOR NEXT MENU
    UNRECOVERABLE MEMORY ERROR AT 01CC
    USE THE 'NE' CMD TO CLEAR MEMORY

    and then automatically scrolls endlessly the following:

    CLEAR AN EMERGENCY STOP CONDITION

    PRESS THE JOG KEY TO RESET THE EMERGENCY STOP
    AXIS CONTROLLER DOES NOT RESPOND TO NC


    When start for the second time it shows ONLY the message:

    ======================SPACE BAR FOR NEXT MENU
    UNRECOVERABLE MEMORY ERROR AT 01CC
    USE THE 'NE' CMD TO CLEAR MEMORY

    Then stops and is totally non-responsive to pressing any key.
    Every think located on 1090 is non-responsive.


    Pressing the RESET button on the motherboard ( Slot 5 ) the display behaves as when first start the machine.


    Voltage on power supply (1220) is OK. ( +/- 12 V and 5.1V )
    Voltage on power to Keyboard (1090) (on J6 ) : 5.1V
    Neither key responds.
    I removed physically Keyboard from the machine: all is clean, no perforation on membrane under the keys, all paths are clean, no burnouts. I re-installed the keyboard on the machine.
    Behaves exactly the same.
    I re-sited all the cards including the main board after replacing dead battery (lithium 3.6 V from Radio Shack).
    When machine is ON pressing battery check button on the board ( Slot 5 ) lights up LED
    When machine is OFF pressing battery check button on the board does nothing.
    Removed all connectors and reinstalled them back.
    Tried to connect via laptop but it does not allow to open the device.
    On all axis boards in the enclosure there are blinking red LEDs.

    It looks like the machine was turned off during brief power outage, went into emergency stop mode
    and stays somewhere in limbo loop.

    Is there any way to get out of this loop?
    Is there any way to check if the Keyboard is OK?
    Is there any way to get out of emergency stop mode without using the JOG key?

  4. #4
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    Aug 2010
    Posts
    33
    September 20, 2013

    I fixed the memory problem.
    This is what I did:
    1- I removed an expanded memory board 1460-2A from 1400-5A and reinserted it into the slat.
    This stopped scrolling.
    2 – I zeroed the memory.
    3 – I reinitialized memory.
    3 - I and re-entered all parameters for my machine (SETP).
    4 – I and re-entered all 3 relevant backlashes.
    5 - Powered off CNC
    6 - Powered on CNC
    7 – Loaded simple program into memory.
    8 – Program runs with no problems.
    9 - Powered off CNC
    10 – I reinstalled an expended memory board 1460-2A to 1400-5A and reinserted it into the slot.
    11 - Powered on CNC
    12 – I repeated the steps 2, 3, ...... 8.

    Now I have a left over problem that I put in the new thread.
    Title is: “Can not access a jog menu using the JOG key”.

    Thanks every body who attempted to help me.

  5. #5
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    Nov 2013
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    1
    Quote Originally Posted by voytek1 View Post
    I re-sited all the cards including the main board after replacing dead battery (lithium 3.6 V from Radio Shack).
    I am having a similar issue, I know my battery needs to be replaced and thats the first thing Im going to do, do you know where it is located? Thanks.

  6. #6
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    Join Date
    Nov 2015
    Posts
    2

    Re: Unrecoverable memory error

    I have the same error "ÜNRECOVERABLE MEMORY ERROR AT 8600' and the space bar nor any key respond. Any recomendations are very welcome. Thanks.

  7. #7
    Junior Member
    Join Date
    Dec 2017
    Posts
    1
    kur galite nusipirkti daiktų?

  8. #8
    Registered
    Join Date
    Dec 2016
    Posts
    4
    Did anyone ever solve this? My old girl is doing the same thing ever since I unplugged the boards




    VMC 15
    1998
    CNC 88HS

    Did not use the machine for about a month.
    When attempted to power it I got the following on the moitor:

    ======================SPACE BAR FOR NEXT MENU
    UNRECOVERABLE MEMORY ERROR AT 01CC
    USE THE 'NE' CMD TO CLEAR MEMORY

    However neither the controller nor the machine does not respond to pressing any key.

    Any suggestions ?

    Voytek1[/QUOTE]

  9. #9
    Member
    Join Date
    Dec 2012
    Posts
    183

    Re: Unrecoverable memory error

    Hello.

    I´m not familiar with your machine but I have found that some memory boards rely on batteries to keep certain information. Perhaps it´s the source of your problem. I think it´s worth checking.

    Now, if it is, DO NOT JUST REMOVE THE BATTERIES. It might be possible that a certain procedure needs to be followed in order to replace them. I have seen controls left totally unusable by removing all the batteries at once.

    Note: the reason those controls were left unusable is not because of damage to the controls but because no programmer was found and no one knew what information was to be programmed.

    Regards.

  10. #10
    Member
    Join Date
    Aug 2009
    Posts
    560

    Re: Unrecoverable memory error

    ...your battery is failing or has failed...most likely. than do a Zero Memory to clear out.



    https://www.fadalcnc.com/media/pdf/Z..._Procedure.pdf

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