Third replacement from Sweetwater. They all do the same thing. They work for a few days. Then suddenly when turning your pedal board on, all 3 Channels of the Tri-parallel Mixer wake up on and stuck, but not transmitting anything from the pedals arranged in the 3 channels. I have to unplug the power to the pedal, hold down all 3 Channels, plug the power to the pedal back in & I’m back in business. I’m powering the pedal with the exact required power from a Strymon Zuma. All cables leading to and from are Mogami. It does the same thing using the provided power supply from EHX. Sweetwater can’t replicate the issue, but I’m convinced their method isn’t sound because first, they aren’t testing with a full pedal board & second, they aren’t playing with it for 3 days until the issue starts to happen.