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Thread: GRX-MR-3 malfunction

  1. #1
    Junior Member
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    Sep 2015
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    GRX-MR-3 malfunction

    After the homeowner accidentally shorted the circuit, the GRX-MR-3 is doing this: https://drive.google.com/file/d/0B3S...053SUVnVzlrdlk

    I have informed the homeowner that the module is now damaged and must be replaced.

    Has anyone had any experiences bringing these back to life or repairing these?

    Thank you in advance.

  2. #2
    Super Moderator
    Join Date
    May 2013
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    395
    Quote Originally Posted by pahidla View Post
    After the homeowner accidentally shorted the circuit, the GRX-MR-3 is doing this: https://drive.google.com/file/d/0B3S...053SUVnVzlrdlk

    I have informed the homeowner that the module is now damaged and must be replaced.

    Has anyone had any experiences bringing these back to life or repairing these?

    Thank you in advance.
    pahidla,

    Unfortunately, the GRX-MR-3 would need to be replaced. It looks to be internally shorted and cannot be repaired.

  3. #3
    Junior Member
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    Sep 2015
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    Quote Originally Posted by Kevin P. View Post
    pahidla,

    Unfortunately, the GRX-MR-3 would need to be replaced. It looks to be internally shorted and cannot be repaired.
    Thanks. Would you be able to say what internal part was most likely damaged? A relay switch perhaps, a fuse or a resistor?

    Thanks again in advance!

  4. #4
    Super Moderator
    Join Date
    May 2013
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    395
    Quote Originally Posted by pahidla View Post
    Thanks. Would you be able to say what internal part was most likely damaged? A relay switch perhaps, a fuse or a resistor?

    Thanks again in advance!
    pahidla,

    Unfortunately we would not know until the device was taken apart and the components were analyzed.

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