My #1 Has Failed on Me

I’ve had the LIII HSS for over a year now. It took over as my #1 go to guitar since the day I got it (usurping my Suhr). Gigged all last week and then on Saturday night, I had intermittent connection. Thought it might be my Headrush Pedalboard. Played a gig with several different bands on Sunday and then the same thing. Now first, I didn’t think it was my guitar but the HR. A friend of mine quickly came in with his Deluxe Reverb and pedalboard so I plugged into that. No signal. Changed cables, no signal. Put in new battery, no signal. Plugged his guitar in and all was good. Anyone have any idea of why this guitar would do that? Bad preamp? Everything looks good inside, pristine actually. Seriously bummed about this situation.