eggzlot Posted October 10, 2014 Share Posted October 10, 2014 Hi All, My C4 amp is not turning on. I can see the Matrix is handling the source, the source shows on my interface, but the amp is not clicking on. It has worked in the past, been spotty at times, but basically now its a heavy expensive paperweight. I tried moving the trigger button on or off, I tried plugging it into a different out. No luck at all. The "on light" is red, not blue. The audio matrix, the "on light" is always blue, regardless if a source is playing. The 1-2 times recently I got the amp to play, that light turned blue. My gut tells me the red is bad (like most red light indicators). Any clue or help? Link to comment Share on other sites More sharing options...
AdamT Posted October 10, 2014 Share Posted October 10, 2014 Im guessing Ip issue. Can you see if the IP changed? Do you know what the ip was? Do you have ComposerPro? Need to check network tools first. Link to comment Share on other sites More sharing options...
eggzlot Posted October 10, 2014 Author Share Posted October 10, 2014 This is the power amp. Matrix is separate and that unit works. Link to comment Share on other sites More sharing options...
Cyknight Posted October 10, 2014 Share Posted October 10, 2014 Red just means it's powered down - nothing bad at all, just an indicator.UNLESS you have wired for it the 'trigger' switch should be OFF. In that state the amp senses audio input automatically and turns on by itself That mode can cause some issues as it tends to be slow (this is normal, no different from any other amp that does this) and that it is (again to a degree by necessity) rather INcencitive - or it would be triggering all the time. This can cause the unit to NOT always turn on at low volume leves from the matrx. For that very reaso I normally wire these up to a relay and contact on a controller, and have the system 'manually' turn it on - this however may require some amount of re-programming to make work. While I don't recommend it for long term, if you have to wait on a dealer what you CAN do is wire the the unit back to itself (+5 to IN) and set the trigger to on. This keeps the amp on permanently. Link to comment Share on other sites More sharing options...
eggzlot Posted October 10, 2014 Author Share Posted October 10, 2014 Thank you Cy - I think this worked. At least it is working right now. I adjusted the fixed volume on the sonos and tweaked the sensitivity settings and now its working. Hopefully I do not have any drop outs or issues, but after a few tests in a few rooms it seems to be working. Link to comment Share on other sites More sharing options...
Matt Lowe Posted October 12, 2014 Share Posted October 12, 2014 yea sonos outputs are really quiet and have problems with drops outs and not turning on at low volumes. one solution may be to increase the volume based on selection of sonos too. Link to comment Share on other sites More sharing options...
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