Question about Car Audio & Video

Open Question

Rockford fosgate p4-400 protect mode.. reset?

Posted by Anonymous on

Ad

5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Ad
tech48
  • 624 Answers

SOURCE: rockford fosgate bd1000a1

There is nothing to reset on this amp, it has no microprocessor.

Resets for electronic equipments are for clearing any software glitches that the microprocessor uses to do complex functions. I have only seen microprocessors in a couple of Kenwood amplifiers, and I have fixed many Fosgate amplifiers including this model. If you are not gettng any sound from it, you may have a blown channel. It is the most common failure I have seen in these. If that is the problem with yours, you need to take it to a service center that works on Rockford Fosgate amps, they have output transistors that are mounted on what is called a "mesha rail" and you can not change out just the 1 or 2 that are shorted, you must replace the entire rail because the transistors can not be removed from the rail and there are no generic parts for them as well.

I hope this helps you with your problem, deciding what you can do with it. It is a very good amplifier and in most cases it is worth the repair cost. You can not get a different amplifier of the same quality for less than the repair cost which usually runs about $125 at my shop.

Let me know if I can be any more help to you.

Dave

Posted on Jul 03, 2008

Ad
  • 182 Answers

SOURCE: Rockford Fosgate Punch 800 A2 shorting out.

replace the inputs on ur amp

Posted on Jun 29, 2009

laseramp
  • 309 Answers

SOURCE: 401s Rockford Fosgate Amp. Not powering on,just protect lite is on.

the problem is mostly with your audio side of the amp. i have a 800 Rockford punch series amp hooked in series running at about 15 vdc at 2 ohms stable for now. but the amps left front power side transistors overloaded and smoked out, i will be replaceing my mosfets soon. Now on that side your issues apear to be related to the signal side of the amp. when you hooked the amp up tell me breifly did you hook the rca inputs to the back of the sterio and did you select the proper rca inputs for the amp? also note that amps have a potentiomater that can be tuned up or down to allow the volume or wattage to go up or down threw the system. if it's turned all the way down you'll here nothing. but often you'll get a pop sound or quickly see the speaker move a bit. this indicated the signal side of the amp has signal comming in but no output, just look for a turnable small screw inside the amp top or side. and turn up acordingly. note: to much output will damadge your system. not just the amp. ;)

Posted on Aug 28, 2009

  • 3 Answers

SOURCE: rockford fosgate 450.4. 1st protect mode, now blows fuses...

smell it !

Posted on Oct 13, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Hey I have a rockford fosgate t2500bdcp-1 when ever the bass is about to hit the amp goes to protect mode and comes back on


If you can tell that it is about to hit and the amp goes into protect mode, the amp is being over driven on the input.

Feb 06, 2017 | Rockford Fosgate Car Audio & Video

1 Answer

Protect mode?


You added speakers in parallel which reduced the effective impedance to to a value low enough that your Rockford Fosgate amplifier had to enter protect mode to prevent damage to its output stages.

Jan 22, 2014 | Car Audio & Video

1 Answer

800a4 stays in protect mode


Generally thats a sign of a shorted output device, either a bipolar transistor or mosfet. Also ground faults can trigger a protect light.

Feb 03, 2013 | Rockford Fosgate Punch 800a4 Car Audio...

1 Answer

It is stuck in protect and wont come out


bro...i had problem like that before and i found out that the load(speakers) was high thats why the fuse always blow...or...check the wire to the speakers if they are sorted or touched.gud luck

Oct 26, 2012 | Rockford Fosgate T1000-1bd - 1000W...

1 Answer

I have a rockford fosgate p5002 amp. I have 2 alpine 12" type-r's. I just got them bridged together and my amp keeps going into clipping mode. i tried turning down my gain and adjusting my frequency but it...


Hi unbridge the subs and run them sterio your overloading the amp and its going into protection mode. if you have anymore questions about car audio feel free to ask me...

Feb 05, 2010 | Rockford Fosgate Punch P5002 Car Audio...

1 Answer

When I am listening to my stereo in my truck with a pioneer headunit and a rockford fosgate p1 10" subwoofer. I listen to music and part of the song will hit hard then it will weaken dramatically. What is...


Your amplifier is going into protect mode.
It may already be damaged from repeated abuse.
The subwoofer is either bottoming out... has a blown or damaged coil... or your charging system is not adequate to keep your batter charged above 8VDC.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

Oct 26, 2009 | Rockford Fosgate Car Audio & Video

1 Answer

Amp


There is no reset button. If you disconnect all of the speaker wires from the amplifier's speaker terminals and unplug the RCA cables, does the protect light still come on (I assume that you've already replaced the fuse)?

Jan 12, 2008 | Rockford Fosgate P6001BD Car Audio...

1 Answer

Rockford a2 not powering up


yiur amplifaer is in protection mode you moust reset the amp

Jun 15, 2007 | Rockford Fosgate Punch 800a2 Car Audio...

Not finding what you are looking for?
Car Audio & Video Logo

Related Topics:

21 people viewed this question

Ask a Question

Usually answered in minutes!

Top Car Audio & Video Experts

xxxxxx xxx

Level 3 Expert

4861 Answers

yadayada
yadayada

Level 3 Expert

76164 Answers

The Knight
The Knight

Level 3 Expert

74244 Answers

Are you a Car Audio and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...