Question about AudioBahn A2150HCT Car Audio Amplifier

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Protect light stays on

Disconnected it from my jeep and stored in my living room for about 2 weeks went to hook it back up and the fans kick on everything lights up but the protect light wont go out its not my wires or subs i have a 500 watt sony hooked up right now and its working fine idk what to do

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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techman
  • 3130 Answers

SOURCE: my amp quit working

ok I thought I anwered this one but first thing to try is disconnect all your speakers and see if the light goes out if it doesnt then your gonna need a schematic and a working know how on solid state amplifiers. first check al the outputs for the speakers for dc If theres dc on an output then that output device is shorted or leaky. Ive have open drivers as well as current control transistors leaky or shorted to that made the protection come on.. Good Luck

Posted on Apr 07, 2006

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Shuttle83
  • 1139 Answers

SOURCE: AUDIOBAHN a2300hct problems

This indicates a possibility of a power supply issue, you may have to open up the unit and take voltage measurements to determine if the voltages are correct. In order to do this you will need a schematic diagram of the unit. Once you have the schematic you will be abor to tell which voltages are legitimate. I hope this helps

Posted on Sep 16, 2007

  • 631 Answers

SOURCE: audiobahn a8000t problem

If the protect LED is lit, the amp probably has shortedoutput transistors. To eliminate other possible causes, read throughthe following page:

Amp in Protect Mode - Troubleshooting

Let me know if you have any other questions.

Posted on Nov 25, 2008

audio20
  • 22 Answers

SOURCE: VR3 Amp Protection Light problem

Looks like you have covered all the basics.

The remote wire is the switch that turns the amp on and off. So you are probably just killing the power to the amp.

Sounds like a short in the amp itself if all the input and output wires are disconnected and the protection is still coming on.

Posted on Mar 28, 2009

  • 506 Answers

SOURCE: audiobahn a8002t amplifier in protection mode

Let's measure some voltages. If you have a DMM measure the DC voltage at your amps power supply input. If much less than 10 volts I would suspect you may have possibly damage your power wire. When you have a lot of current flowing through a wire the resistance will change and cause a larger voltage to drop across that wire. Having to low of an input voltage is a trigger mode for some amplifiers to go into protection. Let me know what you find and we can go from there.

Posted on Dec 22, 2009

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