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  1. #14
    Join Date
    Jun 2018
    Posts
    17
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    Thread Starter
    All faults now after few minutes after start(2-5), but now this system working more then 3 hours.

  2. #15
    Join Date
    Jan 2013
    Location
    United Kingdom
    Posts
    200
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    Well the fault hasn't fixed itself, you will have to replace the IGBT, I would also routinely recommend changing the harness too.

  3. #16
    Join Date
    Jun 2018
    Posts
    17
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    Thread Starter
    Hello again. We replaced the IGBT boards on system # 1 with new ones, the system worked without errors for 2 months, and the error GATE DRIVER appeared again yesterday.

  4. #17
    Join Date
    Jan 2013
    Location
    United Kingdom
    Posts
    200
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    Did you replace the harness at the same time as you replaced the board ?


    Sent from my iPhone using Tapatalk

  5. #18
    Join Date
    Jun 2018
    Posts
    17
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    Thread Starter
    No, the harnesses remained the same, they were not moved for the first time.

  6. #19
    Join Date
    Jan 2013
    Location
    United Kingdom
    Posts
    200
    Post Likes
    You should replace the harnesses too between the gate driver board and the VSD Logic Board, especially if the fault is intermittant

  7. #20
    Join Date
    Jun 2018
    Posts
    17
    Post Likes
    Thread Starter
    Initially there were no problems with this system, they appeared after moving the boards, and disappeared on another system.

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