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Depends on the type of sound system. Some require you to hook up to the subwoofer then the subwoofer to the sound system, others are just a direct line in to the sound system (in which case simply un hook the sub woofer. If it requires hook ups to the woofer, see if you can turn the volume down on the woofer directly.
Fault is either from the main system or the sub-woofer itself.
You need to test both unit in order to detect which of the two is giving the fault, so that you can concentrate on the faulty unit.
Test the woofer with a AA battery or any other battery. Put your ears close to the woofer and observe if you will hear any sound. If the woofer makes sound, then it means the woofer is working, but if it doesn't make sound, then it means the woofer is defective. Or you can disconnect one of the working speakers and connect the woofer to that part. If there is no sound, then obviously, the woofer is defective.
If the woofer seem to be working, then the unit needs to be tested also.
Connect one of the working speakers to the sub-woofer's section of the main unit. If the speaker doesn't bring out sound, check the system's menu settings, check the volume and make sure the sub-woofer volume is raised to the highest level and not on mute. ( Note that most Theater systems has separate volumes for each speakers). If the volume is raised to the highest level and there is still not sound from the woofer part, then it means the woofer channel has burnt. It could be a fuse or a defective channel. At this point, I think you need help from a repairman.
too big a speaker load,unit sensors shut unit down when speaker impedance gets too low . and draws too much current at hi volume.A bad woofer or tweeter voice coil burned by sudden excess volume can cause this,also partially shorted speaker wires.
well if you hear a rattle sound its probably already blown...and the amp could be drawing too much power if the radio shuts off...make sure all your wiring is correct. also if your car is off and you turn it up it will most likely shut off cause the battery cant handle it. but as for the sub i think its blown. good luck
The problem is most likely the amplifier circuit. It is probably over-heating and the speaker relay is turning off. it is not likely that it can be diagnosed properly on an online forum, since it takes some troubleshooting to be certain of it. Does this system have the amplifier built into the sub-woofer? If I had the model number I could probably give you much better advice, not all home theater systems have the exact same problems. Each different model of every brand have there own unique problems specific to that model number. There are some universal problems, but this is not one of those easy to figure out universal type of problems. I work at an authorized Samsung service center and have experience with repairing these type of systems, so if I were to get the model number I could offer you a better solution. But it is likely that it will need to be serviced to determain the exact problem. A couple of the Samsung home theater systems that have the amplifier in the sub-woofer must have the entire sub-woofer replaced because they do not offer the parts and service data needed to do a component level repair.
One way to determain if the sub-woofer has the amplifier built into it is if all the speaker wires for the sattelite speakers all connect to the sub-woofer.
Sometimes a bad speaker can cause the amp to get hot and shut down, you can check these very easy yourself.
First, while the system is turned off, disconnect one speaker. Any speaker is OK to start with. After one speaker is disconnected, turn on the system and play it at medium volume. If the system stays playing and doesn't turn off the speakers as it did before, the speaker that is disconnected is probably bad. Take it to a service center and get it checked to be certain. Most service centers will do this for free as a courtesy to their customers, it only takes a minute to check.
If the system turns off as it did with all speakers connected, you then need to reconnect that speaker and disconnect one of the other speakers and go thru the proccess again. Make sure to do all of the speaker connecting and disconnecting while the system is turned off.
If you end up disconnecting all the speakers one at a time and the system still shuts off, it could be that the sub-woofer speaker is bad or the amplifier is bad.
If you can give me the model number of your system, it would help.
the reciever should have a "subwoofer level" setting, or a "bass level control" If you cannot find this then try to place the "sub-woofer" away from walls and elevate it from the floor. This will reduce it's loudness/ intensity at annoying frequencies...