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IndustryArena Forum > MetalWorking Machines > Milltronics > Partner 1G HS/ECB Error LED + Yaskawa EF3 Error
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  1. #1
    Join Date
    May 2020
    Posts
    4

    Partner 1G HS/ECB Error LED + Yaskawa EF3 Error

    Hi Everyone,

    I have a Partner 1G that is giving me some trouble. I have read forums, schematics, and called Milltronics and Yaskawa tech support. All of that has led me to ask for help here. Here is how the story starts:
    I was cutting some parts and stopped for a break, when I returned to the machine it was in emergency stop mode. I hit reset and it went directly back into emergency stop mode with "Axis excess" error on Z axis along with the Z axis slowly creeping down every time I hit reset. I did some reading and tried holding the reset down to force the machine to move because I had trapped a tool on a vice. This didn't do anything but produce more "Axis excess" and driver fault errors on which ever axis I tried to move. Next, I opened the back to take a look and found an "EF3" fault on the Yaskawa G5. After some research I found that EF3 is external fault on terminal 3. I traced terminal 3 to pin 11 of X out on the card cage. Couldn't really figure out more than that. Next, I had someone hit reset while I watched the Glentek cards. This is where I found the HS/ECB error LED staying on for the Z axis card. Again, I did some reading on what this meant and didn't get to far. I disconnected the two connectors from the Z axis Glentek, booted the machine and still got all errors other than the HS/ECB LED which I expected. I tried swapping out the CR1B relay with no change. I really don't know what to do next, any help is greatly appreciated.

    Thanks

  2. #2
    Join Date
    Jun 2007
    Posts
    98

    Re: Partner 1G HS/ECB Error LED + Yaskawa EF3 Error

    Quote Originally Posted by pokey2 View Post
    Hi Everyone,

    I have a Partner 1G that is giving me some trouble. I have read forums, schematics, and called Milltronics and Yaskawa tech support. All of that has led me to ask for help here. Here is how the story starts:
    I was cutting some parts and stopped for a break, when I returned to the machine it was in emergency stop mode. I hit reset and it went directly back into emergency stop mode with "Axis excess" error on Z axis along with the Z axis slowly creeping down every time I hit reset. I did some reading and tried holding the reset down to force the machine to move because I had trapped a tool on a vice. This didn't do anything but produce more "Axis excess" and driver fault errors on which ever axis I tried to move. Next, I opened the back to take a look and found an "EF3" fault on the Yaskawa G5. After some research I found that EF3 is external fault on terminal 3. I traced terminal 3 to pin 11 of X out on the card cage. Couldn't really figure out more than that. Next, I had someone hit reset while I watched the Glentek cards. This is where I found the HS/ECB error LED staying on for the Z axis card. Again, I did some reading on what this meant and didn't get to far. I disconnected the two connectors from the Z axis Glentek, booted the machine and still got all errors other than the HS/ECB LED which I expected. I tried swapping out the CR1B relay with no change. I really don't know what to do next, any help is greatly appreciated.

    Thanks
    Do you have a second machine with another set of Glentec cards ?
    I had a situation that no matter what we replaced , the Z would creep down on reset .
    I swapped all 3 cards from another machine and that solved the problem .
    then I installed the 3 suspect cards to the donor machine and the problem followed to that machine .
    It turned out to be a bad X card . Now , why would a bad card in X cause problems with Z ?
    I don't really have an answer for that , but this is what happened to me .
    You know that you can swap the X Y Z cards around to use as a diagnostic tool, right ?
    You will have to reset the following error for each card by adjusting the pots on the board edge ( another subject )
    good luck

  3. #3
    Join Date
    May 2020
    Posts
    4

    Re: Partner 1G HS/ECB Error LED + Yaskawa EF3 Error

    I do not have another machine, wish I did. However, I did swap the Z and Y axis and the led stayed lit on the Z axis card. Starting to think it's an issue with that card. If I completely remove a Glentek card would the machine start up normal or would it still give errors? Just trying to think of another way to diagnose.

    Thanks for the reply and help.

  4. #4
    Join Date
    Jun 2007
    Posts
    98

    Re: Partner 1G HS/ECB Error LED + Yaskawa EF3 Error

    As I am not an expert on this , I think Sportybob would be a better source .
    If the fault happens when you do your initial machine home sequence , then you could access the user parameters , and look for home sequence . This is the order that the machine will execute the different axis homing sequences .
    Then you could change the seq for the suspected board to "0" . It will still home the other 2 axis but the 3rd will not home .
    Of course you could not run the machine till that 3rd axis is homed , but it will narrow down the possibility of a defective board .
    BTW, these boards are not available new , but there are several places that can repair them .

  5. #5
    Join Date
    Jun 2007
    Posts
    98

    Re: Partner 1G HS/ECB Error LED + Yaskawa EF3 Error

    If you do not always have a second set of eyes to push reset buttons , this is what I did :
    Find any old cam corder, and hook it via cables to a monitor .
    I had a problem where the machine would E stop , once and a while , but never when I was looking at the card LEDs . So I set the camera on a tripod and aimed it at the boards , and hit record . Later after I came back , I rewound the tape and watched it closely . Sure enough , I saw a short blink on one card , just a fraction before E Stop . This narrowed it down to which card to suspect .
    Later , when I replaced the repaired card , you need to set the "following error ". This is a fine tuning procedure to adjust the pots on the card to achieve certain values while each axis is under load . You need to watch the values change on the main screen while in the diagnostic mode . So instead of having a 2nd person shouting out numbers from the front , I just aimed the camera at the screen and put a monitor in back where I was working on the cards ( any old computer moniter will do )

  6. #6
    Join Date
    May 2020
    Posts
    4

    Re: Partner 1G HS/ECB Error LED + Yaskawa EF3 Error

    This has been solved. It was a compound issue. The X axis limit switch is bad and the Z axis amp card is bad. Thank you to everyone who responded and help with this!

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