I'm experiencing an issue with the R output of my module. In the R out goes with a noisy signal, like distorted noise, the R output maxes out at -36 dB, while the L output behaves normally and sounds as expected. I attempted a factory reset, but according to the manual, the trigger button should blink twice; in my case, it only blinks once, which makes me doubt the reset was successful. What could be causing this problem, and more importantly, how can I resolve it? Thanks