Vehicle Aftermarket Alpine 9886 Stereo Head Unit shutting off only inner speakers.and leaving sub woofer on.?

-System Consist of Alpine 9886 Head Unit

Kicker L7 with Kicker Amp

And Four Infinity Speakers on the doors( no amp for them )



So I installed these set of speakers in my front and rear in my explorer about two weeks ago, and today it started acting odd. After about a couple of minutes from turning the radio on the speakers went completely quiet (with head unit staying on ) .. and the sub proceeded to hit to the sound of the music (assuming). After this occurred I detached the faceplate and let it sit for about a couple of seconds. then tried again and the issue occurred again. so i detached again.. then problem occurred once again. After this occurred I took off the faceplate for about 5 minutes. This time after this time it work correctly.



Any reason to why this would occur? My thought was maybe the Head unit was to hot bc of the weather??



Side note: it was pretty hot outside today at around 100 degrees and the head unit faceplate was very hot when getting in the vehicle.check the fuses, you might need to change those out. But if you got it working again it might have just been too hot. But before you go in and do any major changes, ALWAYS check the fuses first. thats what theyre there for.