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Amp Protection Mode

My dual xia5600 amp went into protect mode. I have checked the fuses and none appear to be blown. I think it got to hot and went into protect mode. How do I fix this?

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Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty. If not...contact Kicker about getting it repaired. Definitely worth fixing. .A thumbs up would be greatly appreciated if this answer is helpful to you.

Posted on Dec 18, 2014

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  • 18 Answers

TRY DISCONNECTING IT FROM THE BATTERY FOR ABOUT AN HOUR. SEE IF THAT HELPS.

Posted on Nov 20, 2013

  • Chris Overbeck
    Chris Overbeck Dec 18, 2014

    I find it funny everyone says disconnect rca and speaker wires.. if it is still in protect its junk...not true... yes disconnect rca, speaker wires. turn on if still in protect mode pull ground wire, if protect mode or power light does not go out then it is a grounding issue...meaning....either you have screwed your amp to some type of metal, or, you have a knick in the wire, now it could be the remote line or the ground itself.. either way try to disconnect your power supplies one at a time, starting with your remote line.. if protect goes out when you pull remote..replace remote line. if it goes out when you disconnect ground it is a ground line issue.. remember people, remote and power lines are just covered in plastic and can get ripped when pulling wire for install or get pinched in doors and jambs easily.

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Posted on Jan 02, 2017

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SOURCE: my amp stays in protection mode

Does it go into protect in the vehicle if you disconnect the speaker wires from the speaker terminals of the amp?


Posted on Nov 30, 2008

  • 18 Answers

SOURCE: amp in protection mode

like many other problems people have with amps it is usally a ground issue, grounds have to be in very good spots especially with high power amps, move your ground to a different spot, with zero guage wires really is all you need, double grounds would be inopropriate here. hope this helps

Posted on Oct 06, 2006

  • 1 Answer

SOURCE: the amp turns on but goes to protection mode

Have you checked the REM wire, if it is the wiring may have gotten fried.

Or you may need to get new parts replaced within the amp.

Both issues happened to me.

Posted on Mar 27, 2009

  • 12 Answers

SOURCE: my amp goes into protection mode at high volume

Hi does the amp return to normal operation once the volume is lowered? If so it sounds like the amp is seeing too low an ohmage due to the way the subs are wired & they are drawing too much current so the protection circuit intervenes to prevent damage.The minimum ohmage this amp must be operated at is 2 ohms so if you are running at 1 ohm this will cause the problem you are experiencing.
Cheers, acbva.

Posted on Nov 15, 2009

  • 1 Answer

SOURCE: my amp just shut off and wont come back on I think

where can you get this fixed?

Posted on Mar 12, 2010

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1 Answer

Kenwood kac 628 red light comes on and no audio output


The red light you describe on your amp, is the protection mode warning light. An amp goes into protect for many reasons. Here's a checklist.

1st check the fuse (s) on your amp and make sure they are not blown.

2nd check the inline fuse next to your car battery (if you have an inline fuse)

3rd, disconnect the speaker wires with amp on, does the light go off?

4th check your ground, this may be ok if you have tried another amp with the same wires.

5th.if none of these turns the protect mode off, it may be an internal fault.

you may have blown transistors and it is a tricky job to repair and costly.

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Amp goes to protection mode. if the fuse is too small?


Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. . Double check all connections. Good luck.
A thumbs up would be greatly appreciated if this answer is helpful to you. Worth fixing.
amp-goes-protection-mode-fuse-small-yyiigz0vif4kye35rdc5kjb1-5-0.jpg

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The "safe mode" on your amp usually kicks in for two reasons - the ohm load on the sub is too low for the amp (presenting a "short" to the amp), or it's going into thermal protection because the amp is too hot. From your description, it sounds like there's a short in the wire, the sub's ohm load is too low, or the sub is partially blown.

If you have another sub or speaker, connect it to the amp's output and see if the amp still goes into protection mode. If the amp goes into protection with a known-good speaker, then there may be something wrong with the amp's power supplies. If the amp works properly with another speaker or sub, then I would check the sub that's causing it to short out.

You may also want to check whether or not the amp is over heating by just touching the amp when it goes into protection. If it's just warm, that should be ok - if it's hot, then it might be working too hard. In this case, you may need to check the input voltage (12-14VDC) and the size of the power and ground cables. If your ground isn't properly connected, it can cause weird problems like over heating, shorts, erratic behavior, etc...

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Protect mode is on all the time.It started making my speakers sound like the rca were touching then went to protect mode.no fuses blown now protect mode stayson,pretty new amp barely been used


POWER IT UP WITH NO SPEAKERS CONNECTED AND NO RCA INPUTS. IF IT STILL GOES INTO PROTECTION, THEN IT WILL NEED SERVICE. WHAT YOU PROBABLY HEARD AT FIRST WAS THE OUTPUT TRANSISTORS SHORTING AND STARTING TO SEND DC OUT TO THE SPEAKERS WHICH WOULD DESTROY THEM AND FURTHER DAMAGE THE AMPLIFER, SO THE PROTECTION CIRCUITS SEE THIS AND SHUT THE AMPLIFIER DOWN. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE....V

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Sounds like the out put stage of the amp is shorting, They are either 4 large transistors attached to an aluminium plate (heatsink) or one large chip with heatsink. also sounds as the driver stage went too when you switched it on the second time. If you know nothing of electronics I suggest you take it to an audio repair shop, as it is cheaper to repair than replace high power amplifiers.

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