Question about Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS 2 OHM Car Audio Amplifier

1 Answer

CUR on alpine MRD M 605

I have an Acura tsx with the MRD M 605 and the CUR is blinking on the amp i try to disconnect teh main power for about an hour and nottin happen the amp its still showing CUR all the fuses are fine just woundering what's next.

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  • rav_uk May 21, 2009

    I have MRD M605 and the CUR is blinking on the amp. i disconnected the power but is still the same and the amp its still
    flashing CUR. All inline fuses are ok. There is only the +, - and the remote cables connected to it. I noticed the fan inside is not spinning! Any ideas on fixing it?

  • Anonymous Apr 01, 2014

    Alpine MRD M300 amp powers up but no sound come out and I cannot figure out how to set it

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  • Master
  • 578 Answers

Check your ground and make sure you battery power is connect properly

Posted on Jun 26, 2009

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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.

Dec 28, 2009 | Alpine MRD-M1005 Car Audio Amplifier

1 Answer

What is cur code


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.

Dec 28, 2009 | Alpine MRD-M1005 Car Audio Amplifier

1 Answer

I have an alpine mrd-m1001 getting curr message ho do you reset the amp


Hello deeprajm,

Shorted or low impedance outputs can cause the "CUR" display. Power down everything and remove the speaker wires. If it will then power up without the display, the problem is probably a short in the speaker wire or voice coil, or the impedance load is too low. If there are multiple subs, reconnect them one at a time to isolate the bad one and then correct the problem. If the amp works properly with either of the subs but not both, rewire the subs for a higher final impedance.

If the amp still displays "CUR" with the speakers disconnected, there's most likely an internal fault that requires component level repair.

Hope this helps.

Aug 01, 2009 | Alpine MRD-M1001 Car Audio Amplifier

1 Answer

How do you get it out of cur mode


Hello whatup_132,

If the M605 fails and displays "CUR", it means that there is excessive current to the amp.

The most common causes for excessive current draw is operating the amp into a lower impedance than it is rated to handle, shorted speaker voice coil(s), and/or shorted or grounded speaker wires.

The amp can operate into a load no lower than 2ohms. First power everything off and disconnect the positive amp power lead temporarily (easist way is to just pull the fuse). At this point you should ONLY have the ground and remote connected. Reconnect positive (insert fuse) and turn on the vehicle ignition and your head unit. If the amp still displays the "CUR" error, the output MOSFET's are probably defective and the amp requires repair or replacement. If it powers up normally, reconnect the speaker wires until you locate the faulty one, and then correct whatever is causing it.

Hope this helps.

Jul 17, 2009 | Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS...

1 Answer

CUR display


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.

May 18, 2009 | Alpine MRD-M605 Car Audio Amplifier

1 Answer

CUR is showing on the display


The amp will reset when you cut the power off to it. Disconect bat for 30 sec and reconect. But to be honist with u if the wire jumped out and grounded some how during a high level, there is probley internal damage done.

Oct 17, 2008 | Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS...

1 Answer

CUR showing on the display


This means too much current, find and eliminate cause of excessie current and turn power off, also possibe power and ground are not big enough .Recommend 4guage wires

Oct 17, 2008 | Alpine MRD-M605 Car Audio Amplifier

1 Answer

CUR showing on the display


Have you measured the DC resistance of the woofer to determine if it's OK? You will need to disconnect it from the amp. Check each voice coil individually.

 

If you disconnect both speaker wires from the amp, does it still show an overcurrent condition?

 

 

Oct 20, 2007 | Alpine MRD-M605 Car Audio Amplifier

5 Answers

"cur" error mrd-m1005


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

May 21, 2007 | Alpine MRD-M1005 Car Audio Amplifier

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