Question about Alpine MRD-M1005 Car Audio Amplifier

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"cur" error mrd-m1005

Hi guys i just got this amp attached to two 12 inch type r subwoofers. It lasted for about 10 minutes then went out and it says cur. Do you know what i can do?

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  • blueranger Feb 17, 2008

    it says cur ... i tried checking all the fuses they look good the ground wire seems to be fine what should i check .... it worked for the longest time was going good then stopped said " CUR " and now it works everytime start my truck untill turned up loud ... then it cuts out and says cur.... i tried fixing all these things... Im really confused...

  • str8hustilin May 17, 2008

    i have the same amp and it shuts off and says cur then i shut off the deck and turn it back on it works fine untill i turn it back up then it shuts off again

  • c-taylor-80 Aug 28, 2008

    My alpine v 12 does the same thing . CUR flashes and the subs cut out . I just wired up the amp . What could have gone wrong ?

  • Anonymous Sep 08, 2008

    hooked up the amp 2 a 15 in woofer and it shuts off and reads current. smells burnt

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U guys the cur stands for current witch means its starving for power so u could add a 2nd battery or upgrade ur alternator the battery doesent haved to be an expensive 1 just put a good strong batt in the trunk wire it in with ur wires u already have back there then run ur + and - straight off that batt and use atleast 4 guage trust what i say been in this game 10 yrs and this is how i feed 7 kids thanks

Posted on Feb 13, 2010

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BUT MY AMP KEEPS SAYING CUR AND I ONLY HAVE 1 TYRE R IN MINE AND ITS KEEPS SAYING CUR I REMOVE THE GROUND WIRE TWICE AND IT KEEPS SAYING IT I HAVE A 8 GAUGE AND EVERYTHING THIS **** JUST DONT WANT TO WORK WITH ME SO TELL ME PLEASE

Posted on May 05, 2008

  • BRAYLON BELCHER May 05, 2008

    I HAVE ONLY ONE AND IT KEEPS SAYING "CUR" WHAT AM I SAPPOSED TO DO BECAUSE I ONLY HAVE ONE TYPE R AND A 8 GAUGE

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I had the same problem double check your grounds, thats all it was

Posted on Oct 30, 2008

Be sure you havent already burned voice coils in the sub....id also reccomend only running one of those type rs in a ported box it will run one no problem without the CUR error

Posted on Apr 26, 2008

"CUR" basically means there is a short in the wire... i had that problem with the exact same amp... except mine kept cutting in and out and eventually just didn't get any power at all. use a voltmeter on your inline fuse on your power wire... my install kit came with an 80A fuse... what happens is if your amplifier draws enough amps... say 70-75... it will melt the connecters on the fuse but wont blow it... that was my problem... switched the fuse and everything worked fine... if thats not it, check your ground... or just make sure your wires arent fried. i have 6 gauge wiring for mine and it does just fine, 8 gauge should be changed for this amp.

Posted on Jun 20, 2007

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1 Answer

How do i fixs cur code


yes you have a internal fault of the amp. the circuit that puts it into safe mode is bad and that is a very small chip on the board know as a op amp. needs to be repaired.

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1 Answer

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Hello, i had the same problem, double check your grounds, thats all it was.
For reference, the error code "CUR" means in the manual (http://www.analogstereo.com/pdf/alpine_mrd_m1000.pdf)
• The amplifier has been shutdowndue to excessive current. • Find and eliminate the causeof the excessive current, thenturn the power off.
Please Note: Underpowering subs can make your amp goes to protection.

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It sounds like there's DC current on the amp output terminals. Disconnect the sub and test the output with a multimeter. If there's DC there, most likely the amp is shorted internally and needs repair.

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Hello yte1771,

You can download the manual from Crutchfield.

The "CUR" display is an indication of excessive current and is most likely caused by too low impedance or a fault in the wiring or the amp itself. It's probably not your cap.

Hope this helps.

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Go to this url and view in Adobe. Print it if you need to

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