Question about Koiiler XM-7663 Car Audio Amplifier
The amplifier would come on sometimes and then cut out. Most of the times it does not come on when the head unit is on. The power and diagnostic leds are off and they should be on once the amp is tuened on.
I'm just taking a shot in the dark here.... My friend had an old Toyota Corrola and he had the same problem with his brand new Kenwood 1800 amp. What you need to do is check your battery in your car, sometimes if, its old it wont push enough volts out to power the amp. Also, if your just in accessory then it'll cut out after awhile, if so, just drive it around more and it should start back up.
Posted on Dec 28, 2008
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Posted on Jan 02, 2017
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Should the amplifier go into protect mode, simply disconnect all RCA and speaker leads, while keeping +12 volt, power ground and remote leads connected.
1. Now turn the amplifier back on, and if the diagnostic LED lights, the amplifier has an internal fault.
2. If not, plug the RCA cables back, and reset the amplifier. If it goes into diagnostic now, the fault lies in the input, either with bad cables or source unit.
3. If the amplifier seems fine with RCA cables plugged in, connect the speakers, one at a time, and if one of the speakers or its wiring is faulty, it will activate the diagnostic
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