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Power acoustik LT980-2 amp is stuck in protection mode inside is pristine no signs of shorting or fried circuts checked the connections & fuses what else is there to check that i might b missing

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

alicantecoli
  • 22095 Answers

SOURCE: 1998 Ford Escort Radio fuse short circuting

try disconnecting *** lighter

Posted on Nov 18, 2008

SOURCE: my amp goes in protect mode

Maybe the audio amplifier IC´s are damaged

Posted on Feb 07, 2009

etirbynnor
  • 655 Answers

SOURCE: audiofonics adf-241 no power all wires connected fuses ok.

Hello pimprascalz,

Many amps will go into protect mode if one of the speaker wires is shorted or grounded, or if the voice coil(s) are defective. Try disconnecting the speaker wires one at a time and see if the amp still goes into protect upon power up. Likewise, some amps will go into protect if one of the inputs is grounding out. Again, to troubleshoot, disconnect them one at a time and try the amp. Next, make sure that the amp itself is not grounding. Most amps need to be mounted to a nonconductive surface. If the case contacts the frame of the vehicle, it can cause a problem. If the problem is not in the speaker wires or the input cables, the amp case is not contacting the vehicle frame, and you have checked your power, ground and turn-on leads, then the amp itself is probably faulty.

Hope this helps.

Posted on May 19, 2009

etirbynnor
  • 655 Answers

SOURCE: power acoustiks amp wont get off protection mode

Hello nfox1987,

First you need to determine if the amp is defective or if something else is causing it to go into protection, most often a short in the sub or amp wiring.

Disconnect the sub(s) from the speaker output terminals and the RCA inputs from the head unit, and test if the amp powers up OK. If it does, the problem is in the sub(s) wiring or voice coils, or in the RCA inputs to the amp. Reconnect each one-at-a-time to determine exactly where the short is and repair or replace the defective wiring or unit. If it doesn't power up with the inputs and sub(s) disconnected, the amp itself is most likely defective.

Hope this helps.

Posted on Jul 16, 2009

bigTROY502
  • 129 Answers

SOURCE: Amp in power protect

A blown speaker will trigger the protect mode, sotry to power upthe amp with the speakers disconected, If you are still in protect, then the amp is bad.

Posted on Aug 08, 2009

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1 Answer

Power acoustik bafm2000/1d no power coming from channel


HelloAny one channel circuit of the amplifier has any sort of trouble, the amp will go to protect mode. It may be a direct short in it he output circuit. This is the common fault for these type of amps. A through check should be done to find out the reason. You must have sound knoledge in electronics, and experience to do this work by yourself. In most cases, unlike TVs, amps circuits are quite complicated and user cannot do it by themselves. OK.

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How do i fix my Power Acoustik LT-980/2 car amp, it keeps on going into protect mode.


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 . .A thumbs up would be greatly appreciated if this answer is helpful to you
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2 Answers

The amp is in protect mode and there is no signs of overheating on the board


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 . A thumbs up would be greatly appreciated if this answer is helpful to you

amp-in-protect-otfyjrky3pc2prtgltcdyqtn-3-0.jpg

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1 Answer

I have two amps my power acoustic ov2-1800 stays in protect mode when i turn my car on, and my other amp is a JL Audio and it goes in and out of procect mode randomly??? Any insight???


You have a short. Check all power connections to both amps, all the way back to the battery. Then check to make sure speakers are connected properly

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1 Answer

Amp stuck in protect mode.


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. Double check all connections. Good Luck.A thumbs up would be greatly appreciated if this answer is helpful to you. Worth fixing.
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Nov 22, 2009 | Power Acoustik Car Audio & Video

1 Answer

Its in protect mode and i don't know how to get it out it was hitting fine then it just stopped and i looked at the subs and they would posh all the way out then back i don't know whats wrong


overloading your amp try just one sub hooked up and see what happens if it starts working do not bridge your subs use two channels and try again other wise you fried the circut board in the amp some where

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1 Answer

Amp turns on just fine but no sound comes out


Amp Failure:
There are many different ways that an amp can fail but the two most common failures are shorted output transistors and blown power supply transistors (< those are not blown). There are several types of protection circuits in amplifiers. The most common are over-current and thermal. The over-current protection is supposed to protect the output transistors. Sometimes it doesn't work well enough to prevent the failure of the output transistors but it will work well enough to shut the supply down before the power supply FETs are destroyed. If the amp remains in protect mode, goes into protect mode or blows the fuse as soon as the remote voltage is applied, shorted output transistors are almost certainly the cause. If the fuse protecting the amp is too large, if the protection circuit doesn't respond quickly enough or if the power supply is poorly designed, the power supply transistors may fail. If you see a lot of black soot on the power supply transistors (near the power transformer), the power supply transistors have failed. Soot on the board doesn't necessarily mean the transistors have failed. Sometimes, technicians don't clean up the mess from a previous failure. Transistor Failure/Checking Transistors:
In general, when a transistor fails, it will either short (common for output AND power supply transistors) or open (common for power supply transistors). Transistors act like valves. They control the current flowing through a circuit. A shorted transistor acts like a valve that's stuck open (passing too much current). In the case of an output transistor, the shorted transistors tries to deliver the full rail voltage to the speaker output terminal. If you've ever seen a damaged amp that pushed or pulled the speaker cone to its limits when the amp powered up (common on some Rockford amplifiers), that was almost certainly due to a shorted output transistor. When checking transistors, you most commonly look for shorted connections inside the transistor. You do this by using a multimeter to look for low resistance connections between the transistor's terminals.

Seems as you have blown an output. Seek repairs.

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1 Answer

The red light is on but there is power to the unit. no visible


If the red light is the protect LED, the amp probably has shorted output transistors. To eliminate other possible causes, read through the following page:

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Let me know if you have any other questions.

Nov 25, 2008 | Power Acoustik SL2-2000 Car Audio...

1 Answer

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If the amp goes into protect mode, it's likely due to shorted output transistors. To eliminate other possible problems, read through the following page:

Amp in Protect Mode - Troubleshooting

If the problems are not with the wiring, follow the link at the bottom of the page to the Amplifier Repair Primer page.

Let me know if you have any other questions.

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1 Answer

Power acoustik ps2-1600 blowing fuses


Generally, this would indicate that the output transistors are shorted (which is generally a relatively simple repair). But an amplifier that never worked properly could indicate that it has a manufacturing defect. Sometimes, it's as simple as a bridged solder connection. Other times, it could be due to a missing component (which may be more difficult to repair).

The first thing you need to do is to check the output transistors. They will typically be the larger devices clamped to the heatsink. If you find any that are shorted (~0 ohms) between legs 2 and 3, you have at least one shorted transistor.

Before you do anything inside the amp, remove it from the power source and read the following page:
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