Question about Power Acoustik OVN1-4000D Car Amp

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Its in protection mode and i have no idea why....i checked the fuses...the terminals and everything....need help please

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  • Power Acoustik Master
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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. Double check all connections .A thumbs up would be greatly appreciated if this answer is helpful to you. Worth fixing.

Posted on Feb 06, 2015

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  • Master
  • 1,068 Answers

Yes you have a internal fault of the amp. the circuit that puts it into safe mode is bad and that is a very small chip on the board know as a op amp. needs to be repaired.

Posted on Feb 04, 2010

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1 Answer

Hello can u help me about my MHC-gzx55d sony hifi component, when you turn on the power, the screen display appear "PROTECT" what is the problem and what is the possible damage of my component. please help...


When it goes into protect mode it has been over loaded. Remove everything from the component and unplug the unit for a minute or two. plug it back in and see if it pops out of protect mode. If this does not work then you will need to do a factory reset or check the fuses on the inside of the unit.

Feb 20, 2015 | Sony Audio Players & Recorders

1 Answer

How do I reset a technics sa-gx350 receiver unit


Don't know that you can actually reset this unit like the new digital receivers. It does have protection circuitry that will shut the unit down in case speaker wires are shorted or if speaker impedance is less than the indicated rated impedance of the amp. do the following:
1. Turn off power and unplug from wall.
2. Check all connections and correct if needed.
3. Turn back on after 1-2 minutes.
If unit is still in protect mode you may want to unplug everything from the unit and then power back up to see if the problem is internal or external. If it powers up correctly then the problem is external. Power back down and plug in one external item at a time and power back up between connecting each item to see which item causes the receiver to go into protection mode.
If problem seems to be internal I'd recommend taking to an electronics repair shop if you aren't comfortable with taking apart to check fuses, terminations, etc. There may be a 5-amp fuse in the power plug head also.

Oct 21, 2013 | Audio Players & Recorders

1 Answer

I have a Legacy Predator 2000 watt amp with 2 12'' Kicker speakers. It has been in my car for about a year now, and it recently just stopped working. I have the green light to the amp, im not sure about...


If you have checked your ground, live, remote and RCA's, The problem may lie with your kicker speakers.
There may be a loose wire connection on the speaker terminals (hense no sound).
Check the terminals at the speaker (+) and (-) then check the speaker wires to your amp inputs.
Usually if there is a fault with any wires linked to your amp, the amp goes into protect mode.
If your amp is not going into protect mode, try linking a different speaker to each terminal on your amp (left) then (right). If you get sound through a different speaker, more than likey your speaker wire to your kickers has came loose (due to vibrations) or there is a break in your speaker wire.

Hope this helps. If any more info is needed I'd be happy to help more. Please rate if helpful

Mar 18, 2011 | Car Audio & Video

2 Answers

Kenwood KDC-MP438U


Solution is simple and no code is needed. Make sure all wirw are secures and not opening spliced. Ones verifying, make sure radio is turned off and reset the protect button.

The Protect Button is pin hole size and is located right above the headphone jack. Hence all shpuld be good from there on.

Reset

Mar 10, 2009 | Kenwood KDC-MP438U Car CD/ MP3 Player

1 Answer

Heellpp


If the amp is in protect mode, it probably has shorted output transistors. To eliminate other possible problems, do the following. I'll assume that you've checked the amplifier's on-board fuses.

With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

If the voltage remains near or above 12v, 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, the amp almost certainly has shorted output transistors and will need to be repaired.

Let me know if you have any other questions.

Sep 04, 2008 | Boss Riot 850 Car Audio Amplifier

1 Answer

Fusion Amp Starts In protected Mode


check remote wire coming from back of radio

Jan 08, 2008 | Fusion FEW12PK Car Subwoofer

1 Answer

Amp in Protection Mode


With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage drops below ~11 volts, you need to check the wiring feeding whichever line is too low.


If the voltage remains near or above 12v, disconnect all speaker wires and signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down, the amp likely has blown output transistors.

Dec 19, 2007 | Nitro BMW-482 Car Audio Amplifier

1 Answer

Protection Mode? amp wont start


With your multimeter set to DC volts and the black meter lead on the ground terminal of the amp, touch the red lead alternately to the B+ and remote terminals as the amp shuts down. If the voltage drops below ~11 volts, you need to check the wiring feeding whichever line is dropping too low.


If the voltage remains near or above 12v, disconnect all speaker wires and signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down, the amp likely has blown output transistors.

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