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Hello i have an spx amp and it goes in protect mode? is it an easy fix or is it just a paper weight now. thanks

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6ya6ya
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Posted on Jan 02, 2017

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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

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obzy
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SOURCE: MY AMP GOES ON PROTECT MODE WHEN I TURN IT ON

Very likely to be a bad earth.

Check the earth connection to the chassis of the vehicle. Remove the screw/bolt and clean around it with a wire brush or wire wool.

May also be a good idea to check for continuity using a multimeter.

Remember to try to have the earth connection as close to the amp as possible, as this will cut down on the risk of a bad earth and will minimise interferance.

Posted on Apr 13, 2009

blueextc3221
  • 15935 Answers

SOURCE: My amp automatically goes into protect mode

There are 4 reasons an amplifier tries to protect itself.

Overheating - thermal shutdown.

Over Impedence - The subwoofers installed are not configured into a load the amplifier can handle.

Output is grounded - a positive wire strand may be touching the ground terminal - a wire may be shorted, or a speaker voicecoil is blown.

Intennal problem - Output on amplifier blown, or some other component has failed.

Check your wiring to the amplifier again - if all is good - disconnect the speakers and try to power on. If the amplifier turns on normally - test the speakers for blown coils.

If the amplifier still goes into protect mode - the problem is internal and needs professional repair.

Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

Posted on May 06, 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

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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...

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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

Jul 15, 2010 | Autotek MM125.2 Car Amp

3 Answers

My nitro bmw-486 amp is in protect mode how can I


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 De .A thumbs up would be greatly appreciated if this answer is helpful to you. nitro-bmw-486-amp-in-protect-mode-lv2kkrmxrai4iihdvw4m3np2-1-0.jpg

Feb 24, 2010 | Nitro BMW-486 Car Audio Amplifier

1 Answer

Amp cycles on and off


Hello it sounds like the amp is going in & out of protection normally the protect light will pulse at the same time but is not always the case if you can get hold of a voltmeter set it to the 20v range & check to see if there is 12v present between the RCA (Phono socket) input & shield, if so then the switch mode power supply transformer is faulty. It could also be a number of problems elsewhere as well so really needs to be inspected by an experienced engineer.

Nov 13, 2009 | Car Audio & Video

1 Answer

One day it just went to protect and wont come off no matter what i do.


Hello sobe54,

Disconnect everything except ground, power, and remote.

If the amp still goes into protect mode when powered on, the amp itself is defective.

Hope this helps.

Oct 06, 2009 | Car Audio & Video

1 Answer

Protector light is on


Hello justin83wint,

If the amp goes into "protect mode" immediately upon power up, it's most likely a short in the power/ground or speaker connections. If it operates normally for awhile and then goes into protect, it's most likely overheating.

In the first case, I'd suspect something in the wiring. Go here to troubleshoot the possible causes.

An amp will most often go into protection from overheating due to being operated at too low of an impedance load. Check the speaker specifications and wiring and make sure that the final impedance load matches the amps rating.

Hope this helps.

May 09, 2009 | Sony XM-1252GTR Car Audio Amplifier

3 Answers

Sony STR-D611 receiver goes into protect mode when turned on.


I cleaned the contacts on the transistors and it's working great now. Previously, I spilled some drink on the unit and it went into protect mode and it was in the power amp section. It's all up and running again. Thanks for the info. --Steve B.

Dec 06, 2008 | Audio Players & Recorders

1 Answer

Car audio amp in protection mode


If you power up the amp with the RCAs plugged in, does it go into protection mode.

If you power up the amp with the RCAs plugged in, does the woofer pop?

Oct 26, 2008 | Pyle PLAD413 Car Audio Amplifier

2 Answers

Stuck on standby


Unit is in protect mode there are a few problems that can trigger protect mode the most common is blown channel (shorted outputs). Sometimes one of the 15v regulators may go bad causing imbalance of supplys triggering protect mode. Also sometimes a bad solder connection could cause unit to go into protect also. I work for Denon authorzied repair center in Michigan if your nearby and Shipping to Michigan is economical let me know kstahl65@att.net

Feb 13, 2008 | Denon AVR-1804 Receiver

1 Answer

OVERHEAT PROTECTION


The thermal protection would have reset when the amp cooled down. When cool, if it still goes into protection when it powers up, there are likely blown output transistors. To be sure it's not a wiring problem, disconnect the speaker wires 'from the terminal block of the amp' and disconnect the RCA cables from it. If it still goes into protection, the output transistors are almost certainly shorted.

Sep 09, 2007 | American Pro VS-2043 Car Audio Amplifier

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