Pianohat doesn't play notes below 48.wav

Just bought the Pianohat but it will not play notes below 48.wav (G#) on any octave scale. Keys light up but no wave file is printed. Its as if those sounds were never loaded. I also get the buffer underrun message eventually.


As mentioned in this thread " Piano Hat: light but no sound in a few keys", disabling one-wire interface in preferences is the fix for this.