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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 .
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If the amp is in protect mode, then there may be a speaker wire that is shorting out or you may have a bad speaker...you can test this by completely unhooking the speakers on the amplifier and then turning the amplifier on...if it comes out of protect mode then you will need to find out which speaker is bad...if the amplifier does not come out of protect mode when you turn it back on then there is a problem inside the amplifier and you will need to take it to a service shop for further diagnoses
What does it mean when the LEDs flash on my amplifier?
With most recently produced Phoenix Gold amplifiers, a
flashing/blinking LED is an indication that the unit is in protect mode,
usually due to an overcurrent condition caused by an internal short,
external short (speakers), or low impedance. Overheating will also
cause the amplifier to shut down temporarily.
If amplifier remains in protect mode, power down the amplifier,
disconnect the speakers, and power up again. If LEDs continue to flash,
there is probably an internal problem with the amplifier that will
require service attention to fix.
disconnect everything except the power, remote, and ground. turn off then on. if it goes into protect mode then there's a posibility that the amp if fried. check all the speaker inputs and outputs to make sure that there are no stray wires shorting out. if it stays on then you may have a short on a speaker wire or an auxilary input wire. plug each one in one at a time until it goes into protect mode, then that's the shorted wire or it could be a shorted speaker.
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
.A thumbs up would be greatly appreciated if this answer is helpful to you.
disconnect speaker,turn gain down to about 10%.repower amp check and see if protection light comes on.if it does recheck power,remote,ground,if it doesent go into protection then kill power and rewire speakers
If the speaker wires touched and the protection circuit didn't engage quickly enough, the output transistors may have failed. This is the most common cause for an amplifier to go into protect mode.
If you disconnect the speaker wires from the amp and the B+ and remote voltage are above ~11 volts (place black meter lead on ground terminal of the amp when checking the voltage), and the protect light still comes on, the amplifier will need to be repaired.