What would cause an amp to blow fuses?
In most cases, an amplifier will blow fuses due to internal damage caused by the way it was installed. An amplifier that blows the main power fuse immediately after you turn it on or when the fuse is inserted into the fuse holder is usually damaged in its power supply or output section, and will require serviced.
Can a bad ground blow an amp?
well, a bad ground can cause a lack of good current flow, which will cause the amp to clip, and could damage teh amplifier, but usually damages the speakers.. now if a speaker fries and you get a short across the coil(s) THEN it can fry the amplifier or blow fuses.
What causes an amp to keep blowing fuses?
Poor ground connections are a common cause of blown fuses and destroyed amplifiers, so double check all ground connections to make sure they are secure. Check for internal defects in the amp. If despite your best efforts, the amp is still blowing fuses, it is more than likely that the problem involves either an internal fault, or bad speakers.
How many amps does a 100A fuse blow?
These can be as low as 2 to 1 (100A main versus 50A branch fuse = 2 to 1). But watch for old installations where connections have deteriorated and/or fuses have been in service for a long time.
Why does my bus fuse keep blowing out?
You can see damaged fuses or loose, heated connections in a thermogram and make repairs. —J.F.F. A. With more than 40 years of experience in electrical maintenance and construction, I’ve learned loose and overheated main bus connections often cause such a main fuse problem. Frequently, this problem occurs where fuse blocks plug into the bus.
How can you tell when a fuse has been blown?
You might be wondering, then, how to tell if a fuse is blown–an actual fuse, that is. You will see that the fuse has melted, and there might be charring on the panel. A true fuse typically consists of a piece of metal, most commonly an encased wire, that actually melts when overheated. This is what stops the fault (aka “short” or “power surge” ).