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Hi,
That's your speaker protector system. When something's not right (usually a shorted speaker wire) or the speaker itself is defective, it senses it and stops the receiver from applying power to the speakers to keep it from burning out the power amplifiers.
Hope that helps,
Cubby FROM DarthMurdicide: The absolute easiest way to find out if it is a wiring problem without having to disconnect and reconnect wiring on the backs of the speakers or the receiver is to use the TEST TONE function to test the individual speakers. It is a tone that to me is not stressful to the speakers, so I put the volume to MAX for the test and check each individual speaker. If it is a wiring problem, when you get to the speaker that is either blown or the wiring is grounded out somewhere (either at the back of the speaker or the back of the receiver, or somewhere in between), the PROTECTOR message will light up. I verified this procedure last night. I did the TEST TONE's for each individual speaker on MAX volume, and sure enough when I got to the surrond back left speaker, the PROTECTOR mesage came on. I pulled the in-wall speaker out, and sure enough the tweeter wiring terminal had been bent back during installation and was touching the crossover cap, causing a short. I bent it back, and voila, no more PROTECTOR message.
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