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IndustryArena Forum > Machine Controllers Software and Solutions > Fanuc > PROBLEM IN FANUC 18T-A NAKAMURA 20 II
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  1. #1
    Join Date
    Mar 2008
    Posts
    27

    PROBLEM IN FANUC 18T-A NAKAMURA 20 II

    Controller will not power up, therefore no CRT display. Power supply is on with no alarms, but on the main board LED's the top row is green in all 4 banks with 1 red light in the second bank of the bottom row.

    LED's on main board do NOT come on when power is supplied at breaker (only come on when the power on button is pressed). The only LED that comes on is the single green light on the power supply itself.

    Main board #is A16B-2201-008


    THANK YOU FOR ANY INFORMATION THAT HELPS ME TO LEAVE TO THIS PROBLEM.

    THANK YOU

    ROMMEL ROJAS

  2. #2
    Join Date
    Mar 2008
    Posts
    27

    Photo alarm

    [IMG][/IMG]

  3. #3
    Join Date
    Dec 2008
    Posts
    239
    Quote Originally Posted by Dragonbikes View Post
    Controller will not power up, therefore no CRT display. Power supply is on with no alarms, but on the main board LED's the top row is green in all 4 banks with 1 red light in the second bank of the bottom row.

    LED's on main board do NOT come on when power is supplied at breaker (only come on when the power on button is pressed). The only LED that comes on is the single green light on the power supply itself.

    Main board #is A16B-2201-008


    THANK YOU FOR ANY INFORMATION THAT HELPS ME TO LEAVE TO THIS PROBLEM.

    THANK YOU

    ROMMEL ROJAS
    Please mail me the complete problem of the machines and your contact number i will help you
    Regards
    Prabhat Mishra
    +919430737981
    [email protected]

  4. #4
    Join Date
    May 2009
    Posts
    181
    power supply is probably bad.. swap with another machines if you have one.. just be careful because if your not fast enough you WILL LOOSE MEMORY..

  5. #5
    Join Date
    Jan 2009
    Posts
    117
    The CPU is stopped or interrupted.

    Maybe servo control module or PMC module (Located on the "MAIN" unit)

  6. #6
    Join Date
    Mar 2008
    Posts
    27
    thank you for their answer
    I will get the parts to tests
    if person has some other opinion?
    Rommel.

  7. #7
    Join Date
    Mar 2019
    Posts
    1

    Exclamation Three red leds on on cabinet for Fanuc mate 100i LR

    Hi everyone, I've a trouble when I try to start up the fanuc Mate 100i LR all the red lights are on. I think that I have lost all the data when the batteries of the CMOS are exhausted. How can I restore the robot?
    regards
    Giuseppe
    Attached Thumbnails Attached Thumbnails 55912398_10214336344230997_984955654466699264_n.jpg  

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