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Re: volt signal is coming on
According to the owner's manual, this indicates that the input voltage (power supply) is too high. Assuming that the amplifier isn't defective, this might indicate a problem with the vehicle's alternator. Does the problem also occur with the engine off?
Use a volt-meter and test the voltage at the amplifier's power terminals. With the engine running, you shouldn't see a voltage reading higher than 14.4 volts. If you see a significantly higher reading, it's time to have your vehicle's charging system checked. If the voltage is at 14.4 volts or lower, and the problem still occurs, then there's a defect in the amplifier.
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If the fault occurs even with the engine switched off , there is no reason of excess voltage but if the inverter DC-DC convertor within is faulty it can cause this error. You can remove the covers and check for any visible signs of capacitor leak or burning. Unless the circuits are isolated the fault cannot be traced or confirmed. It can be a short in any of the regulators or drivers but has to be confirmed.
Make sure this high powered amp is not mounted directly to the chassis of the car. Mount it to a wooden board and you can screw board into the car. Because some very high powered amps can arc and damage itself.
Next make sure the tubular fuse in the hood is not bad it may look good but internally it got real hot and caused a bad solder connect in the fuse. You can test it with a meter. Measure one side then the other side if the 12 volt is going thru the fuse.
Next step is now you know your amp is getting 12 volts from the car battery but do you know if your amp turn on signal is turning on the amp itself. This is a easy test get a little wire and jump the 12 volt to the amp turn on wire if the amp comes on then you have found your problem. The amp turn on voltage is too weak were ever youve connected the signal. Normally you hook it up to the blue/white wire on the back of the radio first. If it doesnt have one hook up to the blue. Now on some very rare occassions the voltage drops when you put a load to it and is not enough to turn on your amp you can easily see this if the voltage across the blue wire goes below 12volts so hook it up to the red ignition wire so at least when you turn on your radio the red will send 12 volts to the amp to turn it on and will not drop in voltage. You see that wire has to be 12volts when it drops the amp will not turn on. Same with the battery Voltage you have to maintain 12 Volts or higher for the amp to operate.
this is caused by inproper wiring from the speakers/subs to the amplifier.. an amp will still put out power to subs and speakers when it's wired improperly but it won't last for very long doing it... 6 months is longer than usual....
Umm.. subs are usually meant for bass. do you mean amp power wire? if you just want to be able to hear the mid's and highs better just turn the bass down either on the equalizer on your amp or on your cd player.
Make sure that the rca cables that you have coming out of the deck to the amp arent switched to highpass(no bass) and check the amp and make sure that the crossover is set to lowpass(LP) see if that helps