Question about Rockford Fosgate T1000-1bd - 1000W Class-bd Mono Car Amplifier

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It is stuck in protect and wont come out

Touched wire to amp and went into protect mode and popped fuse will not come off protect mode

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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

Posted on Oct 26, 2012

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Posted on Jan 02, 2017

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

smell it !

Posted on Oct 13, 2009

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My Harmon kardon is 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 .A thumbs up would be greatly appreciated if this answer is helpful to you. Worth fixing.

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My reciever went to protect mode after my speaker wires touched. I removed all cables and power for an hour but stays in protect mode. I also changed 2 15 amp fuses inside but nothing unless I take fuses...


Yes, you can do this easily.
Perform the following steps
(1)Plug your amp to AC outlet.
(2)Switch it on.
(3)observe time taken for switching off.
(4)immediate to shut down over current protect(5)3 seconds to shut down DC protect.
If over-current protect do the
following steps
(O)unplug the amp.
(1)download NR806 service manual.
(2)open the amp metal cover.
(3)measure 7 large white resistors resistance loacated next to power transistors mounted on a large heat sink with black probe touching the middle pin and red probe to first/left or third/right pin.
(4)If this 3 Pins large white colour 0.22ohm x 2 resistor is open with infinity ohms ,
(5)replace it and jot down this channel for example left surround faulty. Usually only 1 channel went faulty.
(6)the two large power transistors next to this white resistor 0.22 ohms x2 should also be replaced.
(7)plug the amp
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Installed lanzar 266 amp yesterday it went in protect mode on a song and now everytime i turn it on it is in protect mode


most commonly that means that somewhere there was an arc in the electrical either the pos or neg going into the amp or rcas or its the speaker wire from the amp to to the sub itself look especially for little wires touching opposit polarity wire (like a little +wire has moved and touched a - wire)

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Protect mode is on all the time.It started making my speakers sound like the rca were touching then went to protect mode.no fuses blown now protect mode stayson,pretty new amp barely been used


POWER IT UP WITH NO SPEAKERS CONNECTED AND NO RCA INPUTS. IF IT STILL GOES INTO PROTECTION, THEN IT WILL NEED SERVICE. WHAT YOU PROBABLY HEARD AT FIRST WAS THE OUTPUT TRANSISTORS SHORTING AND STARTING TO SEND DC OUT TO THE SPEAKERS WHICH WOULD DESTROY THEM AND FURTHER DAMAGE THE AMPLIFER, SO THE PROTECTION CIRCUITS SEE THIS AND SHUT THE AMPLIFIER DOWN. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE....V

Jan 01, 2010 | Quantum QA2160 Car Amp

1 Answer

Fuse blew on power now stuck in Protection Mode


Sounds like the out put stage of the amp is shorting, They are either 4 large transistors attached to an aluminium plate (heatsink) or one large chip with heatsink. also sounds as the driver stage went too when you switched it on the second time. If you know nothing of electronics I suggest you take it to an audio repair shop, as it is cheaper to repair than replace high power amplifiers.

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Amp problem


could be one side of spk voice coil bad if they ar dualor rca problem

Mar 29, 2009 | Blaupunkt PCA465 Car Amp

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It seems the amps went into protect mode?


is any wires touching like in the speaker or @ the speaker or amp

Nov 16, 2008 | Phoenix Gold Car Audio & Video

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My amp turns on and off


Sounds like there could be a short somewhere. Check to make sure that there aren't any (exposed/bare) wires touching each other or if there is a bare spot of wire touching something metal. Check both ends of all the wires. A speaker wire may have come lose and is shorting out against the frame or some other place. Usually if it goes straight into protection mode or you're popping fuses you have a short somewhere. I assume the capacitor you installed is somewhere on the power line, which would be for helping with
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1 Answer

Stuck in protection mode


First disconnect the subwoofer wires from the amp, turn the car off and back on...is the amp on? If so your subs are shorting it out, either from a frayed wire, or blown subs.
If it is still in protection mode, check the fuses in the side of the amp.

Mar 21, 2008 | Kenwood KAC-7251 Car Audio Amplifier

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