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Thread: 90w Opus won't power up. Also - where is the LED?

  1. #1
    Newbie Febs's Avatar
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    90w Opus won't power up. Also - where is the LED?

    Hi guys.

    I've just got an Opus 90w and I'm trying to power up my M12000. All the wiring's good and checked...but I'm getting no power to the Opus. I've wired it up as per the Opus website (and I've switched the power pins around, just in case)...but no luck. I'm running off the accessories from my headunit (same one that goes to my amp), and even though the headunit's on, there's no power to the Opus/M12000.

    Also, call me stupid...but I can't for the life of me find the LED on the Opus 90w. Would someone be so kind as to tell me where to look? It's certainly not lighting up (I've also tried the reset by removing the fuse).

    Cheers,
    - Febs.

  2. #2
    Raw Wave Laidback's Avatar
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    Quote Originally Posted by Febs
    (and I've switched the power pins around, just in case)


    Edit: Ah, You mean the power pins to the system board.

  3. #3
    Constant Bitrate KaiTech's Avatar
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    Quote Originally Posted by Febs
    Hi guys.

    I've just got an Opus 90w and I'm trying to power up my M12000. All the wiring's good and checked...but I'm getting no power to the Opus. I've wired it up as per the Opus website (and I've switched the power pins around, just in case)...but no luck. I'm running off the accessories from my headunit (same one that goes to my amp), and even though the headunit's on, there's no power to the Opus/M12000.

    Also, call me stupid...but I can't for the life of me find the LED on the Opus 90w. Would someone be so kind as to tell me where to look? It's certainly not lighting up (I've also tried the reset by removing the fuse).

    Cheers,
    - Febs.
    The LED is between the main fuse and the jumper pins. If it doesnt blink when you connect the battery voltage (RED) and ground (BLACK), you have a problem.
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  4. #4
    Newbie Febs's Avatar
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    Quote Originally Posted by Laidback


    Edit: Ah, You mean the power pins to the system board.
    Yeah...the green/white wires to the PWR switch on the EPIA.

    Quote Originally Posted by KaiTech
    The LED is between the main fuse and the jumper pins. If it doesnt blink when you connect the battery voltage (RED) and ground (BLACK), you have a problem.
    Thanks. There was definitely nothing lighting up there.
    Argh, hope I don't have to send it back. DHL stuffed me around for a week just getting it to me!

    Cheers,
    - Febs.

  5. #5
    Variable Bitrate The Grinch's Avatar
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    Do you have a multimeter? Have you verified that you have power in the connector itself? It should be a solid 12volts, maybe higher with the car running.

    I would check the fuse in the P/S to make sure it's good. When all is conencted, the green LED (it's a tiny little square thing near the fuse) will blink. Also, try disconnecting your power connector for a minute, then plug it back in. If the P/S has gone into protection mode, it needs to be disconnected completely to reset itself.
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  6. #6
    Newbie Febs's Avatar
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    Thanks for the replies guys.

    Turns out when my mate tested the wires (ACC and 12v), he accidentally tested the ACC one twice. I couldn't see, as I was in the front seat turning the key.

    I tested them both again, and sure enough - nothing on the 12v wire. Traced it back to the distro block - same problem. Traced it back a bit further - same problem.

    Turns out it was a problem with the fuse. BUT, it looked perfectly fine. There was no way you could possibly tell it was blown - it looked perfect. As soon as I replaced the fuse, all was fine, and the Opus now works.

    Thanks guys. Feel free to call me an idiot.

    Cheers,
    - Febs.

  7. #7
    Variable Bitrate Fraychild's Avatar
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    I won't call you an idiot...
    I've never personally dealt with an "unapparent" blown fuse, but I've heard about them... Good thing the Opus worked man, that's what really matters...
    I got a bit freaked since you said you just got it, and I'm currently waiting for mine...
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  8. #8
    Maximum Bitrate contaygious's Avatar
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    thanks for the info i will try to get a new fuse and see if it helps me i am having the same problem. did you mean the fuse between the battery and power cable or fuse on the opus?
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