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. Time to double check all connec .A thumbs up would be greatly appreciated if this answer is helpful to you.
Answers & Comments
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. Time to double check all connec .A thumbs up would be greatly appreciated if this answer is helpful to you.
Disconnect the power wire from it for a minute then reconnect.
Make sure the speakers are wired to an ohm load the amp can handle to prevent protection mode again.