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Amp promblem on my amp (kac-x812d) the read light is flashing and the screen says E-03

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I have a Kenwood KAC-X812D amp and a alpine SWR- 1242D Subwoofer in a sealed box. What is the best setting i should do for this amp. HEADUNIT KDC- X592

Posted on Feb 20, 2010

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1 Answer

Best subs for the kenwood x812d


Try and match the rms output of the amp to the speaker , if the amp puts out 150 watts RMS make sure your speaker is at least 150 watts RMS.

Feb 03, 2014 | Kenwood eXcelon KAC-X812D Car Audio...

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The red power light flashes and on the blue display shows e-02


Fault code you have a wiring fault ,Check crutch field advisors website for detailed wiring instructions.

Dec 27, 2010 | Kenwood eXcelon KAC-X812D Car Audio...

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Blinking E-03


somthing is fried on your motherboard

Apr 28, 2009 | Kenwood Excelon KAC-X811D Car Audio...

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Kenwood Excelon KAC-X812D mono amp


Right next to the rca inputs you will see a reset switch, Reset the amplifier by holding that switch in for about 20 to 30 seconds. This amp has a microprocessor in it that controls the fan. The LCD display that you played with only shows the status of the fan, it does not control the fan. the fan should turn on when the amp starts to get hot. It operates at high or low or stop. If the fan never comes on, even when the amp is very hot, you will need to take it in to be serviced. There is no easy fix to some of the problems. You need the fan to work, so check it out soon and determain if the fan ever comes on. It may take a while to come on, but if it comes on after it starts getting hot, it is working.

Jun 17, 2008 | Kenwood eXcelon KAC-X812D Car Audio...

1 Answer

It comes on but


I believe that the amplifier is in protection mode; more than likely you either have an internal short in the amp or a bad speaker running off of the amp.

Jun 06, 2008 | Kenwood eXcelon KAC-X812D Car Audio...

1 Answer

My KAC-X812D amp is stuck in safe


From what you are explaining here, it suggests that there is an internal problem with the amp (Blown mosfets, pre-amp etc.) I suggest taking the amp to an authorised service centre.

Aug 28, 2007 | Kenwood eXcelon KAC-X812D Car Audio...

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