Question about Jensen LXA300 Car Audio Amplifier

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Protect light keeps coming on when i give my jensen amp power

Please describe your when i give the amp power the protect light comes straight on what is the problem:the protect light comes on

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  • 93 Answers

Eith some wires touched, you dont have big enough fues or you have somehting hooked up wrong

Posted on Jun 14, 2009

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Posted on Jan 02, 2017

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1 Answer

Protection light came on what cut off


Amp in Protection - Troubleshooting - Basic Car Audio ...

www.bcae1.com/.../troubleshootingbasicsampinprotect.htm
Some simply shut down and the power light will not illuminate when in protect mode. If the power light blinks then goes off, the amp is either going into protect ...

How do I fix my amp it keeps going into protection mode ...

? 2:00
https://www.youtube.com/watch?v=DQ1bdsm6s2c
Apr 24, 2013 - Uploaded by Nathan West
My MTX 600xd amp light won't even come on. ... Red light comes on. ... one.. and some times it goes into protection... once I turn the car off...

Jan 11, 2016 | Car Audio & Video

1 Answer

Crowm micro-tech 2400 goes straight to protect upon start


Ok,

Lets get this straight, you are saying that a CROWN MICRO-TECH2400 power amplifier show the two front red lights when you turn it on? Because it supposed to do that if everything is fine, when you turn your amp on and one of the lights or both don't turn on then you have a serious issue with this great amp, keep me informed in case you need further help.

Nov 07, 2013 | Crown Audio Players & Recorders

2 Answers

Protect Light On Amp Being Weird


Could try switching right and left subs. If the problem moves to the other side pull the wiring and redo.
Then if the wiring is ok check the sub.

May 15, 2013 | Jensen JPA600D - 600 Watts Digital Mono...

1 Answer

My protect light is flashing from red to the green power light it makes a thud noise in the sub when it flashes i have checked my ground and power it all seems to be fine does any1 have a idea on what...


You either have a short in your wiring (between the amp and the sub) or have wired the sub(s) at too low of a resistance. If for example you have wired it to 2 ohms, when the amp can only support a 4ohm minimum, the protect light would come on once you tried to turn up the volume a bit. This may happen if you have lost the wiring off one of your subs or one of the voice coils, thereby affecting the total resistance.

Mar 06, 2011 | Jensen LXA300 Car Audio Amplifier

1 Answer

I have an older model Jensen 500 watt 2 channel bridgeable amp. When i hook it up the red light(protect light) comes on and it will not work


REMOVE THE RCA INPUTS AND DISCONNECT THE SPEAKERS AND POWER THE AMPLIFIER UP WITH THIS NO INPUT, NO SPEAKER LOAD CONDITION. IF IT STILL GOES INTO PROTECTION AND YOU HAVE VERIFIED THAT THE POSITIVE AND ESPECIALLY THE GROUND CONNECTIONS, ALONG WITH THE REMOTE CONNECTIONS ARE 100%, THEN THE AMPLIFIER WILL NEED TO BE SERVICED. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE.....V

Dec 01, 2009 | Jensen A300HLX Car Audio Amplifier

1 Answer

I have a 200 watt jensen car amp and the protection light keeps coming on when i turn the gain up.


The amp has no way to cool itself off, so it goes in to protect when it gets hot to keep from breaking stuff and blowing a fuse.

Oct 23, 2009 | Car Audio & Video

1 Answer

Amp works when beaten


It sounds like you have a broken connection in the amplifier. The first thing to check is the fuse. Sometimes the contacts become weak on the fuse holder and the connection becomes intermittent. Any other troubleshooting would require opening up the amp. Any repairs would require resoldering the broken connection.

Let me know if you have any other questions.

Sep 22, 2008 | Jensen XA2250 Car Audio Amplifier

1 Answer

Problem with amp...


In virtually all instances where the protection light is illuminated, the amplifier has gone into protection because the output transistors are shorted. To eliminate external wiring problems do the following.

Disconnect all speaker wires from the speaker terminals of the amp and disconnect signal cables from the amp. If it powers up, the wiring needs to be checked. If it still goes into protect, the amp likely has blown output transistors.

If it does have blown outputs, it's is likely due to the speaker wires shorting together when the woofer was out of the vehicle.

Dec 29, 2007 | Jensen XA4150 Car Audio Amplifier

1 Answer

Both green and red ligt or on my jensen ka3 i dont know what it means i had it working b4 i swaped my subs for some new ones and the amp dosent work now.i dont know if is because of the red light but i...


Generally, the power light is green and the protect light is red. If the protect light is on there could be a short in the wiring or there could be an internal fault in the amp.

Disconnect all speaker wires from the speaker terminals of the amp and disconnect signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down (goes into protection), the amp likely has blown output transistors.

Dec 28, 2007 | Jensen KA3 Car Audio Amplifier

2 Answers

My amp wont put out sound


it's blown....probably, check your connections and make sure your presenting it an ohm load it can handle....so check the sub with a dmm.

Feb 28, 2006 | Jensen A600HLX Car Audio Amplifier

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